/* ============================================================
   ALDELO LAYOUT — Design Token System
   Supports: Light / Dark / System theme
   Palettes: Gold (default) & Teal
   ============================================================ */

/* ── BASE TOKENS (Dark default — matches existing app.css) ──── */
:root {
    /* Surfaces */
    --al-bg-page: #0f1117;
    --al-bg-sidebar: #161821;
    --al-bg-header: rgba(22, 24, 33, 0.85);
    --al-bg-card: #1c1e2a;
    --al-bg-card-hover: #242636;
    --al-bg-input: #1c1e2a;
    --al-bg-overlay: rgba(0, 0, 0, 0.5);
    /* Borders */
    --al-border: rgba(255, 255, 255, 0.08);
    --al-border-active: rgba(255, 255, 255, 0.15);
    /* Text */
    --al-text-primary: #f0f0f5;
    --al-text-secondary: #8b8fa3;
    --al-text-muted: #555770;
    --al-text-inverse: #161821;
    /* Accent — Gold palette (default) */
    --al-accent: #D4AF37;
    --al-accent-light: #F4D03F;
    --al-accent-dark: #B8860B;
    --al-accent-bg: rgba(212, 175, 55, 0.08);
    --al-accent-bg-hover: rgba(212, 175, 55, 0.14);
    --al-accent-glow: 0 0 20px rgba(212, 175, 55, 0.35);
    /* Status colors */
    --al-success: #22c55e;
    --al-warning: #f59e0b;
    --al-danger: #ef4444;
    --al-info: #3b82f6;
    /* Layout dimensions */
    --al-sidebar-width: 260px;
    --al-sidebar-collapsed: 72px;
    --al-header-height: 60px;
    --al-radius-sm: 8px;
    --al-radius-md: 12px;
    --al-radius-lg: 16px;
    --al-radius-xl: 20px;
    /* Transitions */
    --al-transition-fast: 0.15s ease;
    --al-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --al-transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    /* Shadows */
    --al-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --al-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --al-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    /* Font */
    --al-font: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ── TEAL PALETTE OVERRIDE ─────────────────────────────────── */
[data-palette="teal"] {
    --al-accent: #14b8a6;
    --al-accent-light: #2dd4bf;
    --al-accent-dark: #0d9488;
    --al-accent-bg: rgba(20, 184, 166, 0.08);
    --al-accent-bg-hover: rgba(20, 184, 166, 0.14);
    --al-accent-glow: 0 0 20px rgba(20, 184, 166, 0.35);
}

/* ── LIGHT THEME ───────────────────────────────────────────── */
[data-theme="light"] {
    --al-bg-page: #f4f5f7;
    --al-bg-sidebar: #ffffff;
    --al-bg-header: rgba(255, 255, 255, 0.88);
    --al-bg-card: #ffffff;
    --al-bg-card-hover: #f9fafb;
    --al-bg-input: #f4f5f7;
    --al-bg-overlay: rgba(0, 0, 0, 0.25);
    --al-border: rgba(0, 0, 0, 0.08);
    --al-border-active: rgba(0, 0, 0, 0.15);
    --al-text-primary: #1a1c2e;
    --al-text-secondary: #5f6377;
    --al-text-muted: #9ca0b0;
    --al-text-inverse: #ffffff;
    --al-accent-bg: rgba(212, 175, 55, 0.06);
    --al-accent-bg-hover: rgba(212, 175, 55, 0.12);
    --al-accent-glow: 0 0 16px rgba(212, 175, 55, 0.2);
    --al-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --al-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --al-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
}

    /* Light + Teal */
    [data-theme="light"][data-palette="teal"] {
        --al-accent-bg: rgba(20, 184, 166, 0.06);
        --al-accent-bg-hover: rgba(20, 184, 166, 0.12);
        --al-accent-glow: 0 0 16px rgba(20, 184, 166, 0.2);
    }

/* ── SYSTEM THEME (prefers-color-scheme) ───────────────────── */
@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        --al-bg-page: #f4f5f7;
        --al-bg-sidebar: #ffffff;
        --al-bg-header: rgba(255, 255, 255, 0.88);
        --al-bg-card: #ffffff;
        --al-bg-card-hover: #f9fafb;
        --al-bg-input: #f4f5f7;
        --al-bg-overlay: rgba(0, 0, 0, 0.25);
        --al-border: rgba(0, 0, 0, 0.08);
        --al-border-active: rgba(0, 0, 0, 0.15);
        --al-text-primary: #1a1c2e;
        --al-text-secondary: #5f6377;
        --al-text-muted: #9ca0b0;
        --al-text-inverse: #ffffff;
        --al-accent-bg: rgba(212, 175, 55, 0.06);
        --al-accent-bg-hover: rgba(212, 175, 55, 0.12);
        --al-accent-glow: 0 0 16px rgba(212, 175, 55, 0.2);
        --al-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
        --al-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
        --al-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
    }
}

/* ============================================================
   SIDEBAR LAYOUT STRUCTURE
   ============================================================ */

.al-layout {
    display: flex;
    min-height: 100vh;
    font-family: var(--al-font);
    background: var(--al-bg-page);
    color: var(--al-text-primary);
}

/* ── SIDEBAR ───────────────────────────────────────────────── */
.al-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--al-sidebar-width);
    background: var(--al-bg-sidebar);
    border-right: 1px solid var(--al-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--al-transition);
    overflow: hidden;
}

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

/* Brand */
.al-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    height: var(--al-header-height);
    border-bottom: 1px solid var(--al-border);
    flex-shrink: 0;
    cursor: pointer;
    transition: padding var(--al-transition);
}

.al-sidebar.collapsed .al-brand {
    padding: 16px;
    justify-content: center;
}

.al-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--al-radius-sm);
    background: linear-gradient(135deg, var(--al-accent), var(--al-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--al-text-inverse);
    font-weight: 800;
    font-size: 1rem;
}

.al-brand-text {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--al-text-primary);
    white-space: nowrap;
    overflow: hidden;
    opacity: 1;
    transition: opacity var(--al-transition-fast);
}

.al-sidebar.collapsed .al-brand-text {
    opacity: 0;
    width: 0;
}

.al-sidebar-toggle {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--al-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--al-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--al-transition-fast);
}

    .al-sidebar-toggle:hover {
        color: var(--al-accent);
        background: var(--al-accent-bg);
    }

.al-sidebar.collapsed .al-sidebar-toggle {
    display: none;
}

/* Nav */
.al-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--al-border) transparent;
}

    .al-nav::-webkit-scrollbar {
        width: 4px;
    }

    .al-nav::-webkit-scrollbar-thumb {
        background: var(--al-border);
        border-radius: 4px;
    }

.al-nav-section {
    margin-bottom: 8px;
}

.al-nav-label {
    padding: 8px 12px 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--al-text-muted);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--al-transition-fast);
}

.al-sidebar.collapsed .al-nav-label {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.al-nav-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--al-radius-sm);
    color: var(--al-text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: var(--al-font);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--al-transition-fast);
    position: relative;
}

    .al-nav-group-header:hover {
        background: var(--al-accent-bg);
        color: var(--al-text-primary);
    }

    .al-nav-group-header .al-nav-chevron {
        margin-left: auto;
        font-size: 1.1rem;
        transition: transform var(--al-transition);
        color: var(--al-text-muted);
    }

    .al-nav-group-header.expanded .al-nav-chevron {
        transform: rotate(90deg);
    }

.al-sidebar.collapsed .al-nav-group-header .al-nav-text,
.al-sidebar.collapsed .al-nav-group-header .al-nav-chevron {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.al-sidebar.collapsed .al-nav-group-header {
    justify-content: center;
    padding: 10px;
}

.al-nav-group-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--al-transition-slow);
}

    .al-nav-group-items.expanded {
        max-height: 800px;
    }

.al-sidebar.collapsed .al-nav-group-items {
    max-height: 0 !important;
}

/* Nav links */
.al-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--al-radius-sm);
    color: var(--al-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--al-transition-fast);
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: var(--al-font);
}

    .al-nav-link:hover {
        background: var(--al-accent-bg);
        color: var(--al-text-primary);
    }

    .al-nav-link.active {
        background: var(--al-accent-bg-hover);
        color: var(--al-accent);
        font-weight: 600;
    }

        .al-nav-link.active .al-nav-icon {
            color: var(--al-accent);
        }

    .al-nav-link .al-nav-icon {
        font-size: 1.25rem;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        color: var(--al-text-muted);
        transition: color var(--al-transition-fast);
    }

    .al-nav-link:hover .al-nav-icon {
        color: var(--al-accent);
    }

    .al-nav-link .al-nav-text {
        opacity: 1;
        transition: opacity var(--al-transition-fast);
        overflow: hidden;
    }

.al-sidebar.collapsed .al-nav-link {
    justify-content: center;
    padding: 10px;
}

    .al-sidebar.collapsed .al-nav-link .al-nav-text {
        opacity: 0;
        width: 0;
    }

/* Sub-links have extra left padding */
.al-nav-group-items .al-nav-link {
    padding-left: 24px;
    font-size: 0.82rem;
}

.al-sidebar.collapsed .al-nav-group-items .al-nav-link {
    padding-left: 10px;
}

/* Nav divider */
.al-nav-divider {
    height: 1px;
    background: var(--al-border);
    margin: 8px 12px;
}

/* ── SIDEBAR FOOTER ────────────────────────────────────────── */
.al-sidebar-footer {
    border-top: 1px solid var(--al-border);
    padding: 12px 8px;
    flex-shrink: 0;
}

.al-theme-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--al-radius-sm);
    color: var(--al-text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: var(--al-font);
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--al-transition-fast);
}

    .al-theme-toggle:hover {
        background: var(--al-accent-bg);
        color: var(--al-text-primary);
    }

.al-sidebar.collapsed .al-theme-toggle {
    justify-content: center;
    padding: 10px;
}

    .al-sidebar.collapsed .al-theme-toggle .al-nav-text {
        opacity: 0;
        width: 0;
        overflow: hidden;
    }

.al-palette-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--al-accent);
    margin-left: auto;
    flex-shrink: 0;
    border: 2px solid var(--al-border);
    transition: all var(--al-transition-fast);
}

.al-sidebar.collapsed .al-palette-dot {
    display: none;
}

.al-user-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--al-radius-sm);
    transition: all var(--al-transition-fast);
}

.al-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--al-radius-sm);
    background: linear-gradient(135deg, var(--al-accent), var(--al-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--al-text-inverse);
    font-weight: 700;
    font-size: 0.85rem;
}

.al-user-info {
    overflow: hidden;
    opacity: 1;
    transition: opacity var(--al-transition-fast);
}

.al-sidebar.collapsed .al-user-info {
    opacity: 0;
    width: 0;
}

.al-user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--al-text-primary);
    white-space: nowrap;
}

.al-user-role {
    font-size: 0.7rem;
    color: var(--al-text-muted);
    white-space: nowrap;
}

.al-logout-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--al-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--al-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--al-transition-fast);
}

    .al-logout-btn:hover {
        color: var(--al-danger);
        background: rgba(239, 68, 68, 0.08);
    }

.al-sidebar.collapsed .al-logout-btn {
    display: none;
}

/* ── MAIN CONTENT AREA ─────────────────────────────────────── */
.al-main {
    flex: 1;
    margin-left: var(--al-sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--al-transition);
}

.al-sidebar.collapsed ~ .al-main {
    margin-left: var(--al-sidebar-collapsed);
}

/* Header */
.al-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--al-header-height);
    background: var(--al-bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--al-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
}

.al-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--al-text-secondary);
}

.al-breadcrumb-current {
    color: var(--al-text-primary);
    font-weight: 600;
}

.al-header-spacer {
    flex: 1;
}

.al-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--al-text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--al-radius-sm);
    font-size: 1.5rem;
}

    .al-mobile-toggle:hover {
        background: var(--al-accent-bg);
    }

/* Content */
.al-content {
    flex: 1;
    padding: 24px;
}

/* ── MOBILE OVERLAY ────────────────────────────────────────── */
.al-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--al-bg-overlay);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--al-transition);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .al-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--al-shadow-lg);
    }

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

            .al-sidebar.mobile-open .al-nav-text,
            .al-sidebar.mobile-open .al-nav-label,
            .al-sidebar.mobile-open .al-brand-text,
            .al-sidebar.mobile-open .al-user-info,
            .al-sidebar.mobile-open .al-nav-chevron,
            .al-sidebar.mobile-open .al-sidebar-toggle,
            .al-sidebar.mobile-open .al-logout-btn {
                opacity: 1 !important;
                width: auto !important;
                display: flex !important;
                height: auto !important;
                padding: initial;
                overflow: visible !important;
            }

            .al-sidebar.mobile-open .al-nav-label {
                display: block !important;
                padding: 8px 12px 4px !important;
            }

            .al-sidebar.mobile-open .al-nav-link,
            .al-sidebar.mobile-open .al-nav-group-header,
            .al-sidebar.mobile-open .al-theme-toggle {
                justify-content: flex-start !important;
                padding: 10px 12px !important;
            }

            .al-sidebar.mobile-open .al-nav-group-items .al-nav-link {
                padding-left: 24px !important;
            }

            .al-sidebar.mobile-open .al-palette-dot {
                display: block !important;
            }

    .al-sidebar-overlay.visible {
        display: block;
        opacity: 1;
    }

    .al-main {
        margin-left: 0 !important;
    }

    .al-mobile-toggle {
        display: flex;
    }
}

@media (max-width: 640px) {
    .al-content {
        padding: 16px;
    }

    .al-header {
        padding: 0 16px;
    }
}

/* ── MATERIAL SYMBOLS ICON SIZING ──────────────────────────── */
.al-layout .material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-size: 1.25rem;
}

/* ── TOOLTIP for collapsed sidebar ─────────────────────────── */
.al-sidebar.collapsed .al-nav-link,
.al-sidebar.collapsed .al-nav-group-header,
.al-sidebar.collapsed .al-theme-toggle {
    position: relative;
}

    .al-sidebar.collapsed .al-nav-link[title]:hover::after,
    .al-sidebar.collapsed .al-nav-group-header[title]:hover::after,
    .al-sidebar.collapsed .al-theme-toggle[title]:hover::after {
        content: attr(title);
        position: absolute;
        left: calc(100% + 8px);
        top: 50%;
        transform: translateY(-50%);
        padding: 6px 12px;
        background: var(--al-bg-card);
        color: var(--al-text-primary);
        border: 1px solid var(--al-border);
        border-radius: var(--al-radius-sm);
        font-size: 0.78rem;
        font-weight: 500;
        white-space: nowrap;
        box-shadow: var(--al-shadow-md);
        z-index: 200;
        pointer-events: none;
    }