/* ═══════════════════════════════════════════════════════
   BeautySite — Interactive Sidebar
   Premium collapsible sidebar with particles & animations
   ═══════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
    --sidebar-expanded: 280px;
    --sidebar-collapsed: 80px;
    --sidebar-transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    --sidebar-width: 280px;
}

/* ── Layout Grid — Dynamic Sidebar Width (no transition = no lag) ── */
.dashboard-layout {
    grid-template-columns: var(--sidebar-width, 280px) 1fr !important;
}

/* ── Sidebar Base Overrides ── */
.sidebar {
    position: relative !important;
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
    transition: box-shadow 0.3s ease !important;
    overflow-x: clip !important;
    overflow-y: auto !important;
    will-change: contents;
}

/* ── Sidebar Scrollbar — hide in collapsed ── */
.sidebar.collapsed {
    overflow-y: hidden !important;
}
.sidebar.collapsed:hover {
    overflow-y: auto !important;
}

/* ── Toggle Button (top-right, always visible) ── */
.sidebar-toggle {
    position: absolute;
    right: 16px;
    top: 28px;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: rgba(var(--primary-rgb, 99,102,241), 0.06);
    border: 1px solid rgba(var(--primary-rgb, 99,102,241), 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.25s ease;
    color: var(--text-muted, #94a3b8);
    padding: 0;
    outline: none;
}

.sidebar-toggle:hover {
    background: rgba(var(--primary-rgb, 99,102,241), 0.12);
    color: var(--primary-color, #6366f1);
    box-shadow: 0 2px 12px rgba(var(--primary-rgb, 99,102,241), 0.15);
    transform: scale(1.08);
}

.sidebar-toggle:active {
    transform: scale(0.95);
}

.sidebar-toggle i {
    font-size: 0.85rem;
    transition: transform 0.3s ease;
    line-height: 1;
}

.sidebar.collapsed .sidebar-toggle {
    position: relative;
    right: auto;
    top: auto;
    margin: 0 auto 12px;
}

.sidebar.collapsed .sidebar-toggle i {
    transform: scaleX(-1);
}

/* ── Glow Border (on transition) ── */
.sidebar::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(var(--primary-rgb, 99,102,241), 0.4) 25%,
        rgba(168, 85, 247, 0.3) 50%,
        rgba(var(--primary-rgb, 99,102,241), 0.4) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    z-index: 6;
    pointer-events: none;
}

.sidebar.transitioning::after {
    opacity: 1;
}

/* ── Shimmer Line ── */
.sidebar-shimmer {
    position: absolute;
    right: 0;
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, rgba(var(--primary-rgb, 99,102,241), 0.25), transparent);
    animation: shimmerSlide 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 5;
    opacity: 0.6;
}

@keyframes shimmerSlide {
    0%   { top: -60px; opacity: 0; }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.6; }
    100% { top: calc(100% + 60px); opacity: 0; }
}

/* ── Particles Layer ── */
.sidebar-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
    border-radius: inherit;
}

.sidebar-particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    will-change: transform, opacity;
    animation: sidebarParticleFloat var(--p-dur, 20s) var(--p-delay, 0s) ease-in-out infinite;
}

@keyframes sidebarParticleFloat {
    0% {
        transform: translateY(0) translateX(0) scale(0.8);
        opacity: 0;
    }
    8% {
        opacity: var(--p-opacity, 0.12);
    }
    25% {
        transform: translateY(calc(var(--p-travel, -400px) * 0.25))
                   translateX(var(--p-drift, 15px))
                   scale(1);
    }
    50% {
        transform: translateY(calc(var(--p-travel, -400px) * 0.5))
                   translateX(calc(var(--p-drift, 15px) * -0.6))
                   scale(1.1);
        opacity: var(--p-opacity, 0.12);
    }
    75% {
        transform: translateY(calc(var(--p-travel, -400px) * 0.75))
                   translateX(calc(var(--p-drift, 15px) * 0.4))
                   scale(0.9);
    }
    92% {
        opacity: var(--p-opacity, 0.12);
    }
    100% {
        transform: translateY(var(--p-travel, -400px))
                   translateX(calc(var(--p-drift, 15px) * -0.3))
                   scale(0.6);
        opacity: 0;
    }
}

/* Particles intensify on sidebar hover */
.sidebar:hover .sidebar-particle {
    animation-duration: calc(var(--p-dur, 20s) * 0.85);
}

.sidebar:hover .sidebar-particles {
    filter: brightness(1.3);
}

/* ═══════════════════════════════
   COLLAPSED MODE
   ═══════════════════════════════ */

/* ── Hide Text Elements ── */
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-text {
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: opacity 0.15s ease, max-width 0.2s ease;
    pointer-events: none;
    display: inline-block;
}

/* Expanded mode: show labels */
.sidebar:not(.collapsed) .nav-label,
.sidebar:not(.collapsed) .sidebar-text {
    opacity: 1;
    max-width: 200px;
    transition: opacity 0.3s ease 0.15s, max-width 0.3s ease 0.1s;
}

/* ── Center Icons ── */
.sidebar.collapsed .nav-item > a {
    justify-content: center !important;
    padding: 13px 0 !important;
    gap: 0 !important;
}

.sidebar.collapsed .nav-item > a > i {
    margin-right: 0 !important;
    font-size: 1.25rem !important;
}

/* ── Logo ── */
.sidebar.collapsed .sidebar-brand {
    justify-content: center !important;
    padding-bottom: 16px !important;
    margin-bottom: 12px !important;
}

.sidebar.collapsed .sidebar-logo-text {
    display: none;
}

.sidebar.collapsed .sidebar-logo-img {
    margin-right: 0 !important;
}

/* ── Section Labels ── */
.sidebar.collapsed .sidebar-section-label {
    opacity: 0;
    height: 0;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden;
    transition: opacity 0.15s ease, height 0.2s ease, margin 0.2s ease, padding 0.2s ease;
}

.sidebar:not(.collapsed) .sidebar-section-label {
    opacity: 1;
    height: auto;
    transition: opacity 0.3s ease 0.2s;
}

/* ── Tenant Section ── */
.sidebar.collapsed .sidebar-tenant-section {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    margin: 0 !important;
    padding: 0 !important;
    transition: opacity 0.15s ease, max-height 0.2s ease;
}

.sidebar:not(.collapsed) .sidebar-tenant-section {
    opacity: 1;
    max-height: 200px;
    transition: opacity 0.3s ease 0.2s, max-height 0.3s ease 0.1s;
}

/* ── Settings Submenu ── */
.sidebar.collapsed .sidebar-settings-sub {
    display: none !important;
}

.sidebar.collapsed .settings-chevron {
    display: none !important;
}

/* ── User Section ── */
.sidebar.collapsed .sidebar-user-text {
    display: none;
}

.sidebar.collapsed .sidebar-user-info {
    justify-content: center !important;
    padding: 0 !important;
}

.sidebar.collapsed .sidebar-user-avatar {
    margin: 0 auto;
}

/* ── Theme Picker (collapsed) ── */
.sidebar.collapsed .sidebar-theme-wrap {
    justify-content: center !important;
}

.sidebar.collapsed .sidebar-theme-label,
.sidebar.collapsed .sidebar-theme-saved {
    display: none;
}

/* ── Install / Logout Buttons (collapsed) ── */
.sidebar.collapsed .sidebar-btn-label {
    display: none;
}

.sidebar.collapsed #sidebarInstallBtn,
.sidebar.collapsed #logoutBtn {
    justify-content: center !important;
    padding: 10px !important;
    gap: 0 !important;
}

.sidebar.collapsed #sidebarInstallBtn i,
.sidebar.collapsed #logoutBtn i {
    margin: 0 !important;
}

/* ═══════════════════════════════
   TOOLTIPS (Collapsed Mode)
   Managed via JS for proper positioning
   outside sidebar overflow context
   ═══════════════════════════════ */

.sidebar-tooltip {
    position: fixed;
    background: #0f172a;
    color: #f1f5f9;
    padding: 7px 14px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', sans-serif;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 200000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.01em;
}

.sidebar-tooltip.visible {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-tooltip::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: #0f172a;
}

/* ═══════════════════════════════
   BADGES (Collapsed Mode)
   ═══════════════════════════════ */

.sidebar.collapsed .nav-badge {
    position: absolute !important;
    top: 2px !important;
    right: 4px !important;
    left: auto !important;
    min-width: 8px !important;
    width: 8px !important;
    height: 8px !important;
    font-size: 0 !important;
    padding: 0 !important;
    border-radius: 50% !important;
    transform: none !important;
}

/* Show badge count in expanded */
.sidebar:not(.collapsed) .nav-badge {
    font-size: 0.6rem !important;
    width: auto !important;
    height: 20px !important;
    min-width: 20px !important;
}

/* ═══════════════════════════════
   ENHANCED MICRO-INTERACTIONS
   ═══════════════════════════════ */

/* Hover: slide right + gradient background + glow */
.nav-item > a:hover {
    transform: translateX(4px);
    background: linear-gradient(90deg,
        rgba(var(--primary-rgb, 99,102,241), 0.06),
        rgba(168, 85, 247, 0.03)) !important;
    box-shadow: 0 0 20px rgba(var(--primary-rgb, 99,102,241), 0.06);
}

/* Icon scale on hover */
.nav-item > a:hover > i {
    transform: scale(1.18) !important;
    color: var(--primary-color) !important;
}

/* Remove slide in collapsed */
.sidebar.collapsed .nav-item > a:hover {
    transform: translateX(0) scale(1.05);
}

/* Enhanced active state */
.nav-item > a.active {
    background: linear-gradient(90deg,
        rgba(var(--primary-rgb, 99,102,241), 0.14),
        rgba(var(--primary-rgb, 99,102,241), 0.06)) !important;
    box-shadow: 0 0 30px rgba(var(--primary-rgb, 99,102,241), 0.08),
                inset 0 0 20px rgba(var(--primary-rgb, 99,102,241), 0.03) !important;
}

/* Active icon gentle pulse */
.nav-item > a.active > i {
    animation: activeIconPulse 3s ease-in-out infinite;
}

@keyframes activeIconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

/* ═══════════════════════════════
   STAGGER ANIMATION ON EXPAND
   ═══════════════════════════════ */

.sidebar.expanding .nav-item {
    opacity: 0;
    animation: sidebarItemStagger 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.sidebar.expanding .nav-item:nth-child(1)  { animation-delay: 0.03s; }
.sidebar.expanding .nav-item:nth-child(2)  { animation-delay: 0.06s; }
.sidebar.expanding .nav-item:nth-child(3)  { animation-delay: 0.09s; }
.sidebar.expanding .nav-item:nth-child(4)  { animation-delay: 0.12s; }
.sidebar.expanding .nav-item:nth-child(5)  { animation-delay: 0.15s; }
.sidebar.expanding .nav-item:nth-child(6)  { animation-delay: 0.18s; }
.sidebar.expanding .nav-item:nth-child(7)  { animation-delay: 0.21s; }
.sidebar.expanding .nav-item:nth-child(8)  { animation-delay: 0.24s; }
.sidebar.expanding .nav-item:nth-child(9)  { animation-delay: 0.27s; }
.sidebar.expanding .nav-item:nth-child(10) { animation-delay: 0.30s; }
.sidebar.expanding .nav-item:nth-child(11) { animation-delay: 0.33s; }
.sidebar.expanding .nav-item:nth-child(12) { animation-delay: 0.36s; }
.sidebar.expanding .nav-item:nth-child(13) { animation-delay: 0.39s; }
.sidebar.expanding .nav-item:nth-child(14) { animation-delay: 0.42s; }
.sidebar.expanding .nav-item:nth-child(15) { animation-delay: 0.45s; }

@keyframes sidebarItemStagger {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Section labels stagger too */
.sidebar.expanding .sidebar-section-label {
    opacity: 0;
    animation: sidebarItemStagger 0.3s ease-out 0.15s forwards;
}

/* ═══════════════════════════════
   ACCESSIBILITY — REDUCED MOTION
   ═══════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .sidebar-particle {
        animation: none !important;
        opacity: 0 !important;
    }

    .sidebar-shimmer {
        animation: none !important;
        opacity: 0 !important;
    }

    .sidebar,
    .dashboard-layout {
        transition-duration: 0.15s !important;
    }

    .sidebar::after {
        transition-duration: 0.1s !important;
    }

    .nav-item > a {
        transition-duration: 0.1s !important;
    }

    .nav-item > a:hover {
        transform: none !important;
    }

    .nav-item > a:hover > i {
        transform: none !important;
    }

    .nav-item > a.active > i {
        animation: none !important;
    }

    .sidebar.expanding .nav-item {
        animation: none !important;
        opacity: 1 !important;
    }

    .sidebar.expanding .sidebar-section-label {
        animation: none !important;
    }

    .sidebar-toggle {
        transition-duration: 0.1s !important;
    }

    .sidebar.collapsed .nav-item > a[data-tooltip]::after,
    .sidebar.collapsed .nav-item > a[data-tooltip]::before {
        transition-duration: 0.05s !important;
    }

    .nav-label,
    .sidebar-text {
        transition-duration: 0.05s !important;
    }
}

/* ═══════════════════════════════
   RESPONSIVE — Mobile Overrides
   ═══════════════════════════════ */

@media (max-width: 991.98px) {
    /* Hide toggle handle on mobile — use hamburger instead */
    .sidebar-toggle {
        display: none !important;
    }

    /* Mobile sidebar is always "expanded" width */
    .sidebar.collapsed {
        width: 280px !important;
        min-width: 280px !important;
    }

    /* Reset collapsed styles on mobile */
    .sidebar.collapsed .nav-label,
    .sidebar.collapsed .sidebar-text {
        opacity: 1;
        max-width: 200px;
    }

    .sidebar.collapsed .nav-item > a {
        justify-content: flex-start !important;
        padding: 11px 18px !important;
    }

    .sidebar.collapsed .nav-item > a > i {
        margin-right: 14px !important;
        font-size: 1.1rem !important;
    }

    .sidebar.collapsed .sidebar-brand {
        justify-content: flex-start !important;
    }

    .sidebar.collapsed .sidebar-logo-text {
        display: block;
    }

    .sidebar.collapsed .sidebar-logo-img {
        margin-right: 12px !important;
    }

    .sidebar.collapsed .sidebar-section-label {
        opacity: 1;
        height: auto;
        margin-bottom: 10px !important;
        padding: 0 18px !important;
    }

    .sidebar.collapsed .sidebar-tenant-section {
        opacity: 1;
        max-height: 200px;
    }

    .sidebar.collapsed .sidebar-user-text {
        display: block;
    }

    .sidebar.collapsed .sidebar-user-info {
        justify-content: flex-start !important;
    }

    .sidebar.collapsed .sidebar-theme-label,
    .sidebar.collapsed .sidebar-theme-saved {
        display: inline;
    }

    .sidebar.collapsed .sidebar-btn-label {
        display: inline;
    }

    .sidebar.collapsed .sidebar-settings-sub {
        display: block !important;
    }

    .sidebar.collapsed .settings-chevron {
        display: inline !important;
    }

    .sidebar.collapsed #sidebarInstallBtn,
    .sidebar.collapsed #logoutBtn {
        justify-content: center !important;
        padding: 10px 16px !important;
        gap: 8px !important;
    }

    /* No tooltips on mobile — handled by JS */
    .sidebar-tooltip {
        display: none !important;
    }

    /* Badges always full on mobile */
    .sidebar.collapsed .nav-badge {
        font-size: 0.6rem !important;
        width: auto !important;
        height: 20px !important;
        min-width: 20px !important;
        border-radius: 10px !important;
        top: 50% !important;
        right: 12px !important;
        transform: translateY(-50%) !important;
    }

    /* Grid layout is already handled by header.php */
    .dashboard-layout {
        grid-template-columns: 1fr !important;
        transition: none !important;
    }
}

/* ═══════════════════════════════
   ANTI-FOUC (set by script in head)
   ═══════════════════════════════ */

html.sidebar-start-collapsed .sidebar {
    width: var(--sidebar-collapsed) !important;
    min-width: var(--sidebar-collapsed) !important;
}

html.sidebar-start-collapsed .dashboard-layout {
    --sidebar-width: 80px;
}

/* Immediately suppress transitions during initial load */
html.sidebar-no-transition .sidebar,
html.sidebar-no-transition .dashboard-layout {
    transition: none !important;
}