/* ==================== NAVBAR & SIDEBAR - Diseño Profesional Ejecutivo ==================== */

/* Variables específicas del layout */
:root {
    --navbar-height: 64px;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    
    /* Colores principales - Paleta ejecutiva */
    --primary-dark: #0f172a;      /* Azul muy oscuro para sidebar/navbar */
    --primary-medium: #1e293b;    /* Azul oscuro medio */
    --primary-light: #334155;     /* Azul grisáceo */
    --accent-gold: #d4a853;       /* Dorado elegante */
    --accent-gold-light: #e8c87a; /* Dorado claro hover */
    
    /* Superficies */
    --surface-color: #ffffff;
    --background-color: #f1f5f9;
    --background-subtle: #f8fafc;
    
    /* Textos */
    --text-color: #1e293b;
    --text-light: #94a3b8;
    --text-on-dark: #e2e8f0;
    --text-on-dark-muted: #94a3b8;
    
    /* Otros */
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== NAVBAR SUPERIOR ==================== */
.app-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

/* Línea decorativa dorada en la parte superior */
.app-navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light), var(--accent-gold));
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-on-dark);
    transition: var(--transition);
}

.sidebar-toggle-btn:hover {
    background: var(--primary-medium);
    color: var(--accent-gold);
}

.sidebar-toggle-btn svg {
    width: 24px;
    height: 24px;
}

.navbar-brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-logo {
    height: 42px;
    width: auto;
    border: 2px solid var(--accent-gold);
    border-radius: 6px;
    padding: 4px;
    background: white;
    transition: var(--transition);
}

.navbar-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
    text-align: center;
}

.navbar-brand h1 {
    font-family: 'Cormorant Garamond', 'Georgia', serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--surface-color);
    letter-spacing: 1px;
    margin: 0;
    line-height: 1.2;
}

.navbar-subtitle {
    font-family: 'Cormorant Garamond', 'Georgia', serif;
    font-size: 0.8rem;
    color: var(--accent-gold);
    font-style: italic;
    font-weight: 400;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    justify-content: flex-end;
}

/* ==================== USER MENU ==================== */
.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--primary-medium);
    border: 1px solid var(--primary-light);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-on-dark);
}

.user-menu-btn:hover {
    background: var(--primary-light);
    border-color: var(--accent-gold);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar svg {
    width: 18px;
    height: 18px;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-on-dark);
}

.dropdown-arrow {
    transition: transform 0.2s ease;
    opacity: 0.6;
    color: var(--text-on-dark-muted);
}

.user-menu.active .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    overflow: hidden;
}

.user-menu.active .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 1rem;
    background: var(--background-subtle);
}

.dropdown-email {
    font-size: 0.8rem;
    color: var(--text-light);
    word-break: break-all;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.875rem;
    transition: var(--transition);
    text-align: left;
}

.dropdown-item:hover {
    background: #fef2f2;
    color: #dc2626;
}

.dropdown-item svg {
    opacity: 0.7;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--primary-dark);
    border-right: 1px solid var(--primary-medium);
    transition: var(--transition);
    z-index: 900;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Scrollbar personalizado para sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Línea decorativa dorada superior */
.sidebar::before {
    content: '';
    display: block;
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    margin: 1.5rem auto 1.25rem;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-nav {
    padding: 0 0.875rem 1.5rem;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 0.35rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.8rem 1rem;
    color: var(--text-on-dark-muted);
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    font-size: 0.9rem;
    font-weight: 450;
}

.sidebar-link:hover {
    background: var(--primary-medium);
    color: var(--text-on-dark);
}

.sidebar-link:hover .sidebar-icon {
    color: var(--accent-gold);
}

.sidebar-link.active {
    background: linear-gradient(90deg, var(--primary-medium), var(--primary-light));
    color: var(--surface-color);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent-gold);
    border-radius: 0 3px 3px 0;
}

.sidebar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    transition: var(--transition);
    flex-shrink: 0;
}

.sidebar-icon svg {
    width: 20px;
    height: 20px;
}

/* Colores individuales para cada icono del sidebar */
.sidebar-link[data-target="modeSelection"] .sidebar-icon { color: #818cf8; } /* Índigo claro */
.sidebar-link[data-target="uploadSection"] .sidebar-icon { color: #34d399; } /* Verde esmeralda */
.sidebar-link[data-target="compareSection"] .sidebar-icon { color: #fbbf24; } /* Ámbar */
.sidebar-link[data-target="meetingSection"] .sidebar-icon { color: #10b981; } /* Verde */
.sidebar-link[data-target="emailSection"] .sidebar-icon { color: #60a5fa; } /* Azul */
.sidebar-link[data-target="chatSection"] .sidebar-icon { color: #a78bfa; } /* Violeta */

.sidebar-link:hover .sidebar-icon,
.sidebar-link.active .sidebar-icon {
    filter: brightness(1.2) drop-shadow(0 0 4px currentColor);
}

.sidebar-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.2s ease;
}

/* Sidebar colapsada */
.sidebar.collapsed .sidebar-text {
    opacity: 0;
    width: 0;
}

.sidebar.collapsed .sidebar-link {
    justify-content: center;
    padding: 0.8rem;
}

.sidebar.collapsed .sidebar-link.active::before {
    display: none;
}

.sidebar.collapsed::before {
    width: 40px;
}

/* Separador decorativo inferior */
.sidebar-nav::after {
    content: '';
    display: block;
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
    margin: 1.5rem auto 0;
}

/* Version badge en sidebar */
.sidebar-version {
    position: absolute;
    bottom: 1.25rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-on-dark-muted, #8b9dc3);
    opacity: 0.5;
    transition: opacity 0.3s ease;
    letter-spacing: 0.5px;
    user-select: none;
}

.sidebar-version:hover {
    opacity: 0.85;
}

.sidebar-version-label {
    font-weight: 400;
}

.sidebar-version-number {
    font-weight: 600;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.sidebar.collapsed .sidebar-version {
    font-size: 0.6rem;
}

.sidebar.collapsed .sidebar-version-label {
    display: none;
}

/* ==================== MAIN CONTENT AREA ==================== */
#appContent > .container,
#appContent > main.container {
    margin-left: var(--sidebar-width);
    padding-top: calc(var(--navbar-height) + 2rem);
    padding-bottom: 2rem;
    min-height: 100vh;
    background: var(--background-color);
    transition: var(--transition);
}

.sidebar.collapsed ~ main.container,
.sidebar.collapsed ~ .container {
    margin-left: var(--sidebar-collapsed-width);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .navbar-subtitle {
        display: none;
    }
    
    .navbar-brand h1 {
        font-size: 1.15rem;
    }
    
    .user-name {
        display: none;
    }
    
    .user-menu-btn {
        padding: 0.5rem;
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    
    .sidebar .sidebar-text {
        display: none;
    }
    
    .sidebar .sidebar-link {
        justify-content: center;
        padding: 0.8rem;
    }
    
    .sidebar .sidebar-link.active::before {
        display: none;
    }
    
    .sidebar::before {
        width: 40px;
    }
    
    #appContent > .container,
    #appContent > main.container {
        margin-left: var(--sidebar-collapsed-width);
    }
}

@media (max-width: 768px) {
    .app-navbar {
        padding: 0 1rem;
    }
    
    .navbar-brand h1 {
        font-size: 1rem;
    }
    
    .navbar-logo {
        height: 36px;
    }
    
    .sidebar-toggle-btn {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 640px) {
    :root {
        --sidebar-collapsed-width: 0px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 25px rgba(0, 0, 0, 0.3);
    }
    
    .sidebar.mobile-open .sidebar-text {
        display: inline;
        opacity: 1;
    }
    
    .sidebar.mobile-open .sidebar-link {
        justify-content: flex-start;
        padding: 0.8rem 1rem;
    }
    
    .sidebar.mobile-open .sidebar-link.active::before {
        display: block;
    }
    
    #appContent > .container,
    #appContent > main.container {
        margin-left: 0;
    }
    
    .navbar-brand-text {
        display: none;
    }
    
    /* Overlay cuando sidebar está abierta en móvil */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 899;
        backdrop-filter: blur(2px);
    }
    
    .sidebar.mobile-open ~ .sidebar-overlay {
        display: block;
    }
}