/* ==========================================================================
   NOXIOUS IA - DARK UI DESIGN SYSTEM & WORKSPACE STYLES
   Minimalista • Premium • Tecnológico • Verde Neón (#00E5A0)
   ========================================================================== */

:root {
    /* Paleta Oficial Requerida */
    --bg-main: #07090D;
    --bg-secondary: #0B0F14;
    --bg-panel: #0E1218;
    --bg-elevated: #11161D;
    --bg-hover: #161D26;
    
    --border-color: #1B252D;
    --border-hover: #2A3B47;
    
    --text-primary: #F5F7F8;
    --text-secondary: #8A949E;
    --text-muted: #59636D;
    
    /* Verde Neón Principal */
    --accent: #00E5A0;
    --accent-hover: #00C98C;
    --accent-glow: rgba(0, 229, 160, 0.12);
    --accent-surface: rgba(0, 229, 160, 0.08);
    --accent-border: rgba(0, 229, 160, 0.28);
    
    --discord-color: #5865F2;
    --discord-hover: #4752C4;
    --discord-surface: rgba(88, 101, 242, 0.12);
    
    --danger: #FF4757;
    --danger-bg: rgba(255, 71, 87, 0.1);
    --gold: #FFD166;
    --gold-bg: rgba(255, 209, 102, 0.12);
    --gold-border: rgba(255, 209, 102, 0.3);
    
    --sidebar-width: 290px;
    --sidebar-collapsed-width: 68px;
    --header-height: 56px;
    
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 9px;
    --radius-lg: 14px;
    
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    display: flex;
    -webkit-font-smoothing: antialiased;
}

/* Tipografía de código */
code, pre, .font-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Layout Principal Workspace */
.app-layout {
    display: flex;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-main);
}

/* ==========================================================================
   SIDEBAR (AI WORKSPACE / IDE RAIL)
   ========================================================================== */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 50;
    transition: width var(--transition-normal), transform var(--transition-normal);
    flex-shrink: 0;
    position: relative;
}

/* Header del Sidebar */
.sidebar-header {
    height: var(--header-height);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    user-select: none;
}

.logo-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-name {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.spin-icon {
    animation: spinAnim 1s linear infinite;
}

@keyframes spinAnim {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.accent-text {
    color: var(--accent);
}

/* Acciones Principales en Sidebar */
.sidebar-quick-actions {
    padding: 14px 14px 8px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
}

.btn-new-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 9px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-new-chat:hover {
    background: var(--accent-surface);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-new-chat svg {
    color: var(--accent);
    flex-shrink: 0;
}

/* Buscador de sesiones */
.chat-search-wrap {
    position: relative;
    width: 100%;
}

.chat-search-wrap svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.chat-search-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 10px 6px 30px;
    font-size: 0.78rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.chat-search-input:focus {
    border-color: var(--border-hover);
}

.chat-search-input::placeholder {
    color: var(--text-muted);
}

/* Contenedor desplazable de configuraciones */
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 14px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.sidebar-content::-webkit-scrollbar {
    width: 4px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Secciones organizadas en Sidebar */
.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    text-transform: uppercase;
    user-select: none;
    margin-bottom: 2px;
}

/* ==========================================================================
   DROPDOWN DE MODELOS PERSONALIZADO (CUSTOM SLEEK DROPDOWN)
   Elimina select nativo de Windows y opciones azules
   ========================================================================== */

.custom-model-dropdown {
    position: relative;
    width: 100%;
}

.model-dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.model-dropdown-trigger:hover,
.custom-model-dropdown.open .model-dropdown-trigger {
    border-color: var(--accent);
    background: var(--bg-elevated);
}

.model-trigger-info {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
}

.model-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    flex-shrink: 0;
}

.model-trigger-texts {
    display: flex;
    flex-direction: column;
    text-align: left;
    overflow: hidden;
}

.model-trigger-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-trigger-sub {
    font-size: 0.68rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-trigger-arrow {
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: 6px;
}

.custom-model-dropdown.open .model-trigger-arrow {
    transform: rotate(180deg);
}

/* Lista Desplegable del Dropdown */
.model-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: none;
    flex-direction: column;
    padding: 5px;
    gap: 2px;
}

.custom-model-dropdown.open .model-dropdown-menu {
    display: flex;
    animation: fadeInMenu 0.16s ease-out;
}

@keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.model-option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.model-option-item:hover {
    background: var(--bg-hover);
    border-left-color: var(--border-hover);
}

.model-option-item.active {
    background: var(--accent-surface);
    border-left-color: var(--accent);
}

.option-left {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
}

.option-texts {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.option-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.model-option-item.active .option-name {
    color: var(--accent);
}

.option-meta {
    font-size: 0.68rem;
    color: var(--text-secondary);
}

.option-badge {
    font-size: 0.62rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.model-option-item.active .option-badge {
    background: var(--accent-surface);
    color: var(--accent);
    border-color: var(--accent-border);
}

/* Ocultar select nativo pero conservarlo en DOM para Flask */
.native-model-select {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Formularios y Selects generales */
.setting-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.setting-label {
    font-size: 0.74rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.setting-value {
    font-size: 0.74rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-weight: 600;
}

.select-wrapper {
    position: relative;
    width: 100%;
}

.form-control {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 8px 10px;
    font-size: 0.8rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

select.form-control {
    appearance: none;
    padding-right: 28px;
    cursor: pointer;
}

.select-arrow {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-muted);
}

.form-control:focus {
    border-color: var(--accent);
}

.setting-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.35;
}

/* Sliders Refinados */
.slider-track-wrap {
    width: 100%;
    padding: 3px 0;
}

.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: #1B252D;
    outline: none;
    cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow);
    transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.66rem;
    color: var(--text-muted);
}

/* Switch Toggle */
.switch-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.switch-title {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider.round {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #1B252D;
    transition: var(--transition-fast);
    border-radius: 18px;
}

.slider.round:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-secondary);
    transition: var(--transition-fast);
    border-radius: 50%;
}

input:checked + .slider.round {
    background-color: var(--accent);
}

input:checked + .slider.round:before {
    transform: translateX(14px);
    background-color: #07090D;
}

/* Botones de Aprendizaje */
.training-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.btn-sidebar-sub {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.68rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-sidebar-sub:hover {
    background: var(--bg-hover);
    color: var(--accent);
    border-color: var(--border-hover);
}

.btn-sidebar-sub svg {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.btn-sidebar-sub:hover svg {
    color: var(--accent);
}

/* ==========================================================================
   SIDEBAR FOOTER - PERFIL DE USUARIO Y CUOTA
   ========================================================================== */

.sidebar-user-footer {
    padding: 12px 14px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
}

.user-profile-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-identity {
    display: flex;
    align-items: center;
    gap: 9px;
    overflow: hidden;
}

.user-avatar-mini {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-meta-texts {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-discord-tag {
    font-size: 0.66rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Barra de progreso de tokens en sidebar */
.token-meter-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.token-meter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.66rem;
}

.meter-label {
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.meter-numbers {
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.token-progress-track {
    width: 100%;
    height: 4px;
    background: #1B252D;
    border-radius: 2px;
    overflow: hidden;
}

.token-progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.token-progress-bar.warning {
    background: var(--gold);
}

.token-progress-bar.danger {
    background: var(--danger);
}

/* Estado de Sidebar Colapsado (Rail Mode) */
.sidebar.rail-collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.rail-collapsed .brand-name,
.sidebar.rail-collapsed .sidebar-content,
.sidebar.rail-collapsed .sidebar-quick-actions,
.sidebar.rail-collapsed .user-meta-texts,
.sidebar.rail-collapsed .token-meter-container {
    display: none !important;
}

.sidebar.rail-collapsed .sidebar-header {
    padding: 0 14px;
    justify-content: center;
}

.sidebar.rail-collapsed .sidebar-user-footer {
    padding: 10px;
    align-items: center;
}

/* ==========================================================================
   HEADER / TOPBAR SUPERIOR
   ========================================================================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: var(--bg-main);
    overflow: hidden;
}

.topbar {
    height: var(--header-height);
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    z-index: 20;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.active-model-pill {
    display: flex;
    align-items: center;
    gap: 7px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.indicator-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

/* Centro de Topbar: Estado */
.topbar-center {
    display: flex;
    align-items: center;
}

.system-status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    color: var(--text-muted);
}

.status-dot-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Lado Derecho de Topbar */
.topbar-right {
    display: flex;
    align-items: center;
    gap: 9px;
}

.token-badge-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.74rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
}

.token-badge-pill strong {
    color: var(--accent);
}

.role-badge {
    font-size: 0.66rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.badge-admin {
    background: var(--gold-bg);
    color: var(--gold);
    border: 1px solid var(--gold-border);
}

.badge-premium {
    background: var(--accent-surface);
    color: var(--accent);
    border: 1px solid var(--accent-border);
}

.badge-free {
    background: rgba(138, 148, 158, 0.12);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-admin-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--gold-bg);
    border: 1px solid var(--gold-border);
    color: var(--gold);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-admin-pill:hover {
    background: rgba(255, 209, 102, 0.2);
    box-shadow: 0 0 12px rgba(255, 209, 102, 0.2);
}

/* ==========================================================================
   ÁREA DE CONVERSACIÓN (CHAT VIEWPORT & MESSAGES)
   ========================================================================== */

.chat-viewport {
    flex: 1;
    overflow-y: auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
}

.chat-viewport::-webkit-scrollbar {
    width: 6px;
}

.chat-viewport::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Pantalla de Bienvenida */
.welcome-container {
    max-width: 660px;
    margin: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 40px 16px;
}

.welcome-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2px;
    filter: drop-shadow(0 0 24px var(--accent-glow));
}

.welcome-container h2 {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.4px;
}

.welcome-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 480px;
}

.quick-prompts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 10px;
    width: 100%;
    margin-top: 18px;
}

.prompt-chip {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 13px 14px;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.prompt-chip:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.chip-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
}

.chip-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.35;
}

/* Lista de Mensajes */
.messages-list {
    max-width: 840px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.message-row {
    display: flex;
    gap: 13px;
    animation: fadeInMsg 0.2s ease-out;
}

@keyframes fadeInMsg {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mensaje del Usuario - Tarjeta Compacta */
.user-row {
    flex-direction: row-reverse;
}

.user-row .message-body {
    align-items: flex-end;
}

.user-row .message-text {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 11px 15px;
    border-radius: var(--radius-md);
    border-top-right-radius: 2px;
    color: var(--text-primary);
    max-width: 82%;
}

/* Mensaje de NOXIOUS IA */
.assistant-row .message-text {
    max-width: 100%;
    line-height: 1.65;
    font-size: 0.92rem;
    color: #E6EDF3;
}

/* Avatares */
.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.avatar-user {
    background: #18202A;
    border: 1px solid var(--border-color);
    color: #CBD5E1;
}

.avatar-bot {
    background: var(--accent-surface);
    border: 1px solid var(--accent-border);
    color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.avatar-sys {
    background: var(--discord-surface);
    border: 1px solid rgba(88, 101, 242, 0.3);
    color: var(--discord-color);
}

.message-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow: hidden;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-sender {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
}

.message-time {
    font-size: 0.68rem;
    color: var(--text-muted);
}

/* Renderizado Markdown */
.message-text p {
    margin-bottom: 12px;
}

.message-text p:last-child {
    margin-bottom: 0;
}

.message-text ul, .message-text ol {
    margin-left: 20px;
    margin-bottom: 12px;
}

.message-text li {
    margin-bottom: 4px;
}

.message-text strong {
    color: var(--text-primary);
}

.message-text a {
    color: var(--accent);
    text-decoration: none;
}

.message-text a:hover {
    text-decoration: underline;
}

/* Bloques de Código Profesionales */
.message-text pre {
    position: relative;
    background: #0B0F14;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin: 14px 0;
    overflow-x: auto;
}

.code-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0E1218;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.code-header-lang {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: lowercase;
}

.btn-copy-code {
    display: flex;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-copy-code:hover {
    color: var(--accent);
}

.code-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-download-code {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-download-code:hover {
    color: var(--accent);
}

.message-text pre code {
    display: block;
    padding: 12px 14px;
    font-size: 0.84rem;
    line-height: 1.55;
    background: transparent;
    overflow-x: auto;
}

.message-text :not(pre) > code {
    background: #11161D;
    border: 1px solid var(--border-color);
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 0.82rem;
    color: var(--accent);
}

/* Barra de Acciones del Mensaje (Copiar, Regenerar, Feedback) */
.message-action-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
}

.btn-msg-action {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    padding: 3px 7px;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-msg-action:hover {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-msg-action:hover svg {
    color: var(--accent);
}

.btn-msg-action.active {
    color: var(--accent);
    border-color: var(--accent-border);
    background: var(--accent-surface);
}

/* Indicador de Generación */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: fit-content;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: typingPulse 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
    0%, 80%, 100% { opacity: 0.25; transform: scale(0.85); }
    40% { opacity: 1; transform: scale(1.15); }
}

/* ==========================================================================
   INPUT INFERIOR (COMMAND CENTER)
   ========================================================================== */

.input-area {
    padding: 14px 20px 18px 20px;
    background: var(--bg-main);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.input-box-wrapper {
    max-width: 840px;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.input-box-wrapper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 0 20px var(--accent-glow);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    max-height: 180px;
    min-height: 24px;
    padding: 2px 0;
    font-family: inherit;
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.input-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.btn-send {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    border: none;
    color: #07090D;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-send:hover {
    background: var(--accent-hover);
    transform: scale(1.04);
}

.btn-send:disabled {
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

/* Botón de detener generación */
.btn-stop {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: var(--danger);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-stop:hover {
    background: var(--danger);
    color: #ffffff;
}

/* Botón de adjuntar imagen multimodal */
.btn-attach {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-attach:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.04);
}

/* Botón de Modo Generación de Imagen (Premium / Admin) */
.btn-image-mode {
    border-color: rgba(255, 209, 102, 0.35);
    color: var(--gold);
}

.btn-image-mode:hover, .btn-image-mode.active {
    background: rgba(255, 209, 102, 0.15);
    border-color: var(--gold);
    color: #ffffff;
    box-shadow: 0 0 14px rgba(255, 209, 102, 0.3);
}

/* Tarjeta de Imagen Generada por IA */
.generated-image-card {
    margin-top: 14px;
    background: #0B0E14;
    border: 1px solid rgba(255, 209, 102, 0.25);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    max-width: 520px;
    transition: border-color var(--transition-fast);
}

.generated-image-card:hover {
    border-color: var(--gold);
}

.generated-image-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: rgba(255, 209, 102, 0.08);
    border-bottom: 1px solid rgba(255, 209, 102, 0.15);
    font-size: 0.72rem;
}

.generated-image-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--gold);
    font-weight: 700;
    font-size: 0.68rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.generated-image-model {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    font-size: 0.65rem;
}

.generated-image-wrapper {
    position: relative;
    width: 100%;
    min-height: 280px;
    background: #07090C;
    display: flex;
    align-items: center;
    justify-content: center;
}

.generated-image-preview {
    width: 100%;
    height: auto;
    max-height: 480px;
    object-fit: contain;
    display: block;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.generated-image-preview.loading {
    opacity: 0.3;
    filter: blur(4px);
}

.image-loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--gold);
    font-size: 0.75rem;
    background: rgba(11, 14, 20, 0.75);
    backdrop-filter: blur(2px);
    transition: opacity 0.3s ease;
}

.image-loading-spinner {
    width: 26px;
    height: 26px;
    border: 2px solid rgba(255, 209, 102, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spinImg 0.8s linear infinite;
}

@keyframes spinImg {
    to { transform: rotate(360deg); }
}

.generated-image-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #0E1218;
    border-top: 1px solid var(--border-color);
}

.btn-download-img {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--gold-bg);
    border: 1px solid var(--gold-border);
    color: var(--gold);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-download-img:hover {
    background: rgba(255, 209, 102, 0.25);
    box-shadow: 0 0 14px rgba(255, 209, 102, 0.3);
    color: #ffffff;
}

.btn-copy-prompt {
    display: flex;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-copy-prompt:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Bandeja de previsualización de imagen antes de enviar */
.image-preview-tray {
    max-width: 840px;
    width: 100%;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    animation: fadeInTray 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInTray {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.image-preview-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-sm);
    padding: 6px 12px 6px 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.image-preview-card img {
    width: 38px;
    height: 38px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.image-preview-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.image-preview-name {
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-preview-size {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.btn-remove-attachment {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-remove-attachment:hover {
    color: var(--danger);
    background: var(--danger-bg);
}

/* Imagen adjunta renderizada en burbuja de mensaje de usuario */
.attached-msg-image-wrap {
    margin-bottom: 8px;
}

.attached-msg-image {
    max-width: 280px;
    max-height: 220px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.attached-msg-image:hover {
    transform: scale(1.02);
    border-color: var(--accent);
}

/* Botón descargar respuesta en message-action-bar */
.btn-download-resp {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    padding: 3px 7px;
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-download-resp:hover {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-download-resp:hover svg {
    color: var(--accent);
}

/* Resaltado de arrastrar y soltar */
.input-box-wrapper.drag-over, .chat-viewport.drag-over {
    border-color: var(--accent) !important;
    background: rgba(0, 229, 160, 0.05) !important;
    box-shadow: 0 0 20px var(--accent-glow) !important;
}

.input-footer-legend {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 840px;
    margin-top: 6px;
    font-size: 0.68rem;
    color: var(--text-muted);
    padding: 0 4px;
}

/* ==========================================================================
   MODALES
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(4, 6, 9, 0.82);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-overlay.active {
    display: flex;
    animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-lg {
    max-width: 720px;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title-flex {
    display: flex;
    align-items: center;
    gap: 9px;
}

.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    background: var(--bg-panel);
}

.modal-description {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.76rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Botones Principales */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-secondary {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-train, .btn-teach {
    background: var(--accent);
    color: #07090D;
}

.btn-train:hover, .btn-teach:hover {
    background: var(--accent-hover);
}

.btn-danger {
    background: var(--danger-bg);
    border-color: rgba(255, 71, 87, 0.3);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #ffffff;
}

.btn-sm {
    padding: 4px 9px;
    font-size: 0.74rem;
}

/* Paywall Modal */
.modal-premium-paywall .paywall-title-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.paywall-alert-box {
    background: rgba(255, 209, 102, 0.08);
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    color: var(--gold);
    font-size: 0.84rem;
    line-height: 1.45;
}

.paywall-instructions-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.paywall-instructions-card h4 {
    font-size: 0.92rem;
    color: var(--text-primary);
}

.paywall-instructions-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.paywall-steps {
    margin-left: 18px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.paywall-steps code {
    background: #0B0F14;
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
}

.btn-discord-ticket {
    background: var(--discord-color);
    color: #ffffff;
}

.btn-discord-ticket:hover {
    background: var(--discord-hover);
}

/* ==========================================================================
   PANTALLA DE LOGIN CON DISCORD
   ========================================================================== */

.login-body {
    background-color: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-box {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.login-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.login-header h1 {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.login-subtitle {
    font-size: 0.84rem;
    color: var(--text-secondary);
}

.login-error-box {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.discord-requirement-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.discord-card-info h4 {
    font-size: 0.86rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.discord-card-info p {
    font-size: 0.76rem;
    color: var(--text-secondary);
}

.btn-discord-join {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-discord-join:hover {
    border-color: var(--discord-color);
    color: var(--discord-color);
}

.login-form-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-form-section h3 {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-hint {
    font-size: 0.76rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.btn-discord-oauth {
    background: var(--discord-color);
    color: #ffffff;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 16px rgba(88, 101, 242, 0.35);
}

.btn-discord-oauth:hover {
    background: var(--discord-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(88, 101, 242, 0.45);
}

/* ==========================================================================
   PANEL DE SUPER ADMINISTRACIÓN (ADMIN DASHBOARD)
   ========================================================================== */

.admin-body {
    background-color: var(--bg-main);
    min-height: 100vh;
    overflow-y: auto;
}

.admin-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.admin-header {
    min-height: 68px;
    background: linear-gradient(180deg, rgba(17, 22, 29, 0.92) 0%, rgba(11, 15, 20, 0.96) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
    padding: 12px 20px;
    margin: 14px 0 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    position: sticky;
    top: 10px;
    z-index: 100;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-text-block {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-badge {
    font-size: 0.65rem;
    font-weight: 700;
    background: rgba(0, 229, 160, 0.1);
    color: var(--accent);
    border: 1px solid rgba(0, 229, 160, 0.3);
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(0, 229, 160, 0.1);
}

.system-status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #07090D;
    border: 1px solid rgba(0, 229, 160, 0.25);
    padding: 5px 14px;
    border-radius: 30px;
    box-shadow: 0 0 12px rgba(0, 229, 160, 0.08);
}

.system-status-pill .status-text {
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.admin-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.admin-profile-capsule {
    display: flex;
    align-items: center;
    gap: 9px;
    background: #07090D;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 3px 12px 3px 4px;
    transition: all var(--transition-fast);
}

.admin-profile-capsule:hover {
    border-color: var(--border-hover);
}

.admin-capsule-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--accent);
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.admin-capsule-avatar-fallback {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1.5px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.admin-capsule-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.admin-capsule-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.admin-capsule-id {
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
}

.admin-capsule-tag {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--gold);
    background: var(--gold-bg);
    border: 1px solid var(--gold-border);
    padding: 1px 6px;
    border-radius: 4px;
    letter-spacing: 0.4px;
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-executive {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-executive-primary {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-executive-primary:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.btn-executive-danger {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-executive-danger:hover {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.15);
}

/* KPIs Grid */
.admin-kpis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
}

.kpi-card {
    background: linear-gradient(145deg, #11161D 0%, #0B0F14 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    transition: all var(--transition-normal);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    transition: all var(--transition-fast);
}

.kpi-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.5), 0 0 16px rgba(0, 229, 160, 0.08);
}

.kpi-card:hover::before {
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.kpi-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kpi-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.kpi-icon-wrap {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(0, 229, 160, 0.08);
    border: 1px solid rgba(0, 229, 160, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.kpi-card.kpi-danger .kpi-icon-wrap {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
    color: var(--danger);
}

.kpi-card.kpi-cyan .kpi-icon-wrap {
    background: rgba(0, 180, 216, 0.08);
    border-color: rgba(0, 180, 216, 0.25);
    color: #00B4D8;
}

.kpi-value {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.1;
}

.kpi-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Secciones del Admin */
.admin-section-card {
    background: linear-gradient(180deg, #0E1218 0%, #090C10 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    position: relative;
}

.admin-section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.section-card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-card-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

/* Barra de Búsqueda con Icono */
.search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrap svg {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Asignación Rápida */
.quick-assign-form .form-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.flex-2 { flex: 2; min-width: 200px; }
.flex-1 { flex: 1; min-width: 140px; }
.flex-auto { flex: 0 0 auto; }

/* Custom Dropdown para Asignación Rápida */
.custom-assign-dropdown {
    position: relative;
    width: 100%;
}

.assign-dropdown-trigger {
    background-color: #07090D;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.assign-dropdown-trigger:hover {
    border-color: var(--border-hover);
}

.custom-assign-dropdown.open .assign-dropdown-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 0 14px var(--accent-glow);
}

.custom-assign-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
}

.assign-trigger-content {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--text-primary);
}

.assign-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.75);
    z-index: 100;
    display: none;
    flex-direction: column;
    padding: 5px;
    gap: 3px;
}

.custom-assign-dropdown.open .assign-dropdown-menu {
    display: flex;
    animation: fadeInMenu 0.15s ease-out;
}

.assign-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.assign-dropdown-item:hover {
    background: var(--bg-hover);
}

.assign-dropdown-item.active {
    background: var(--accent-surface);
    border-left: 2px solid var(--accent);
}

.assign-dropdown-item .item-texts {
    display: flex;
    flex-direction: column;
}

.assign-dropdown-item .item-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.assign-dropdown-item .item-desc {
    font-size: 0.68rem;
    color: var(--text-secondary);
}

/* Tabla de Usuarios en Admin */
.users-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.8rem;
}

.users-table th {
    background: var(--bg-elevated);
    padding: 11px 14px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.users-table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.users-table tbody tr:hover {
    background: var(--bg-hover);
}

/* Celda de Usuario con Foto y Tag */
.user-cell-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-table-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.user-table-avatar-fallback {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-cell-meta {
    display: flex;
    flex-direction: column;
}

.user-cell-name {
    font-weight: 600;
    color: var(--text-primary);
}

.user-cell-id {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.tokens-pill {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.74rem;
    color: var(--text-secondary);
}

.actions-cell {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Custom Table Dropdown para Selección de Rol (Sin Select Nativo de Windows) */
.custom-table-dropdown {
    position: relative;
    display: inline-block;
}

.table-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    font-family: inherit;
}

.table-dropdown-btn.role-btn-admin {
    background: var(--gold-bg);
    color: var(--gold);
    border-color: var(--gold-border);
}

.table-dropdown-btn.role-btn-premium {
    background: var(--accent-surface);
    color: var(--accent);
    border-color: var(--accent-border);
}

.table-dropdown-btn.role-btn-free {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.table-dropdown-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.custom-table-dropdown.open .table-dropdown-btn {
    box-shadow: 0 0 0 2px var(--accent), 0 0 10px var(--accent-glow);
}

.dropdown-chevron {
    transition: transform var(--transition-fast);
}

.custom-table-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
}

.table-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 120px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75);
    z-index: 1000;
    display: none;
    flex-direction: column;
    padding: 4px;
    gap: 2px;
}

.custom-table-dropdown.open .table-dropdown-menu {
    display: flex;
    animation: fadeInMenu 0.15s ease-out;
}

.table-role-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.table-role-opt:hover {
    background: var(--bg-hover);
}

.table-role-opt.active {
    background: var(--accent-surface);
    color: var(--accent);
    font-weight: 600;
}

.role-indicator-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.role-indicator-dot.dot-admin {
    background: var(--gold);
    box-shadow: 0 0 6px var(--gold);
}

.role-indicator-dot.dot-premium {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

.role-indicator-dot.dot-free {
    background: var(--text-muted);
}

/* Custom Filter Dropdowns para Auditoría */
.custom-filter-dropdown {
    position: relative;
    display: inline-block;
}

.filter-dropdown-trigger {
    background-color: #07090D;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 0.76rem;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.filter-dropdown-trigger:hover {
    border-color: var(--border-hover);
}

.custom-filter-dropdown.open .filter-dropdown-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.custom-filter-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
}

.filter-dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 170px;
    max-height: 240px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75);
    z-index: 1000;
    display: none;
    flex-direction: column;
    padding: 4px;
    gap: 2px;
}

.custom-filter-dropdown.open .filter-dropdown-menu {
    display: flex;
    animation: fadeInMenu 0.15s ease-out;
}

.filter-dropdown-item {
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.74rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.filter-dropdown-item.active {
    background: var(--accent-surface);
    color: var(--accent);
    font-weight: 600;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ========================================================================== */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        width: 280px;
        box-shadow: 0 0 32px rgba(0, 0, 0, 0.8);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(4px);
        z-index: 45;
        display: none;
    }

    .sidebar.mobile-open + .sidebar-backdrop {
        display: block;
    }

    .topbar {
        padding: 0 12px;
    }

    .system-status-badge {
        display: none;
    }

    .input-area {
        padding: 10px 12px 14px 12px;
    }

    .quick-prompts {
        grid-template-columns: 1fr;
    }

    .admin-kpis-grid {
        grid-template-columns: 1fr;
    }

    .quick-assign-form .form-row {
        flex-direction: column;
    }

    .flex-2, .flex-1, .flex-auto {
        width: 100%;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
        position: static;
    }

    .admin-header-right {
        width: 100%;
        justify-content: space-between;
    }

    .system-status-pill {
        display: none;
    }
}