/* ============================================
   UTTS Cbox Community — Premium Design System
   Built on Bootstrap 5.3.3 · Outfit
   ============================================ */

/* -----------------------------------------------
   1. CSS Custom Properties / Design Tokens
   ----------------------------------------------- */
:root {
    /* Dynamic brand colors (overridden inline by PHP) */
    --color-primary: #6366f1;
    --color-secondary: #8b5cf6;
    --color-primary-rgb: 99, 102, 241;
    --color-secondary-rgb: 139, 92, 246;
    --color-accent: #06b6d4;
    --color-accent-rgb: 6, 182, 212;

    /* Surfaces */
    --surface-base: #f0f2f5;
    --surface-card: rgba(255, 255, 255, 0.72);
    --surface-card-solid: #ffffff;
    --surface-elevated: rgba(255, 255, 255, 0.85);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    /* Border & shadows */
    --border-light: rgba(226, 232, 240, 0.6);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
    --shadow-glow: 0 8px 32px rgba(var(--color-primary-rgb), 0.18);

    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-xxl: 1.5rem;
    --radius-pill: 50rem;

    /* Timing */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-out-expo);
    --transition-base: 0.35s var(--ease-out-expo);
    --transition-slow: 0.5s var(--ease-out-expo);
}

/* -----------------------------------------------
   2. Base / Body
   ----------------------------------------------- */
body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--surface-base);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

::selection {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--text-primary);
}

/* Smooth scroll globally */
html { scroll-behavior: smooth; }

/* -----------------------------------------------
   3. Navbar
   ----------------------------------------------- */
.glass-nav {
    background: rgba(255, 255, 255, 0.82) !important;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-light) !important;
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
    z-index: 1030;
}

/* Subtle shadow once scrolled (JS-optional, works without it) */
.glass-nav.scrolled {
    box-shadow: var(--shadow-sm);
}

.navbar-brand-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
    transition: opacity var(--transition-fast);
}
.navbar-brand-gradient:hover { opacity: 0.85; }

.navbar-nav .nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    transition: color var(--transition-fast);
}
.navbar-nav .nav-link:hover {
    color: var(--color-primary);
}
.navbar-nav .nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}
.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0.75rem;
    right: 0.75rem;
    height: 2.5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

/* User avatar bubble */
.avatar-bubble {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.12), rgba(var(--color-secondary-rgb), 0.12));
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    border: 2px solid rgba(var(--color-primary-rgb), 0.15);
    transition: all var(--transition-fast);
}
.nav-link:hover .avatar-bubble {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: scale(1.08);
}

/* -----------------------------------------------
   4. Glassmorphism Card
   ----------------------------------------------- */
.glass-card {
    background: var(--surface-card);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}
.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.65);
}

/* -----------------------------------------------
   5. Premium Gradient Text & Animations
   ----------------------------------------------- */
@keyframes flow-gradient {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-gradient-text {
    background: linear-gradient(
        135deg,
        var(--color-primary),
        var(--color-secondary),
        var(--color-accent, var(--color-primary)),
        var(--color-primary)
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: flow-gradient 6s ease infinite;
}

/* -----------------------------------------------
   6. Micro-Interactions
   ----------------------------------------------- */
.hover-scale {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.hover-scale:hover {
    transform: translateY(-3px) scale(1.02);
}
.hover-scale:active {
    transform: translateY(0) scale(0.98);
}

/* -----------------------------------------------
   7. Scroll / Fade-in Animations
   ----------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}
.animate-fade-in-up-delay-1 {
    animation: fadeInUp 0.6s var(--ease-out-expo) 0.12s forwards;
    opacity: 0;
}
.animate-fade-in-up-delay-2 {
    animation: fadeInUp 0.6s var(--ease-out-expo) 0.24s forwards;
    opacity: 0;
}
.animate-fade-in-up-delay-3 {
    animation: fadeInUp 0.6s var(--ease-out-expo) 0.36s forwards;
    opacity: 0;
}

/* Page entry wrapper */
.page-wrapper {
    animation: fadeInUp 0.45s var(--ease-out-expo);
}

/* -----------------------------------------------
   8. Buttons
   ----------------------------------------------- */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    color: #fff !important;
    padding: 0.65rem 1.6rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.25);
    position: relative;
    overflow: hidden;
}
.btn-primary-custom::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(var(--color-primary-rgb), 0.35);
}
.btn-primary-custom:hover::before { opacity: 1; }
.btn-primary-custom:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.2);
}

/* -----------------------------------------------
   9. Chat Container
   ----------------------------------------------- */
.chat-container {
    height: 660px;
    min-height: 520px;
    transition: height var(--transition-base);
}
@media (min-width: 768px) {
    .chat-container { height: 660px; }
}
@media (max-width: 575.98px) {
    .chat-container { height: 480px; min-height: 380px; }
}

/* Chat wrapper glowing border card */
.chat-glow-wrapper {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent, var(--color-primary)));
    background-size: 200% 200%;
    animation: flow-gradient 8s ease infinite;
    padding: 3px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
    transition: box-shadow var(--transition-base);
}
.chat-glow-wrapper:hover {
    box-shadow: 0 12px 48px rgba(var(--color-primary-rgb), 0.24);
}
.chat-glow-inner {
    background: var(--surface-card-solid);
    border-radius: calc(var(--radius-xl) - 2px);
    overflow: hidden;
}

/* -----------------------------------------------
   10. Feature Icon Styling
   ----------------------------------------------- */
.feature-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08), rgba(var(--color-secondary-rgb), 0.08));
    color: var(--color-primary);
    font-size: 1.35rem;
    margin-bottom: 1rem;
    transition: all var(--transition-base);
}
.glass-card:hover .feature-icon-wrapper {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    transform: scale(1.1) rotate(4deg);
    box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.3);
}

/* -----------------------------------------------
   11. Premium Card & Badge
   ----------------------------------------------- */
.premium-card {
    border: 1px solid rgba(var(--color-primary-rgb), 0.12) !important;
    background: linear-gradient(to bottom, #ffffff 0%, #fafaff 100%);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}
.premium-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent, var(--color-primary)));
    background-size: 200% 100%;
    animation: flow-gradient 4s ease infinite;
}
.premium-glow {
    box-shadow: var(--shadow-glow);
}

@keyframes premium-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.3); }
    50% { transform: scale(1.04); box-shadow: 0 0 16px 2px rgba(245, 158, 11, 0.15); }
}
.premium-pulse {
    animation: premium-pulse 2.5s ease-in-out infinite;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff !important;
    border: none;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 0.35em 0.85em;
}

/* -----------------------------------------------
   12. Toast Notifications
   ----------------------------------------------- */
.custom-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1090;
    display: flex;
    align-items: center;
    padding: 0.875rem 1.1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-light);
    max-width: 380px;
    width: calc(100% - 3rem);
    transform: translateY(24px) scale(0.96);
    opacity: 0;
    transition: all 0.4s var(--ease-spring);
}
.custom-toast.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.custom-toast-success { border-left: 4px solid #10b981; }
.custom-toast-error   { border-left: 4px solid #ef4444; }
.custom-toast-info    { border-left: 4px solid var(--color-primary); }
.custom-toast-close {
    background: none; border: none;
    padding: 0.25rem; color: var(--text-muted);
    cursor: pointer; line-height: 1;
    transition: color var(--transition-fast);
    font-size: 1.25rem;
}
.custom-toast-close:hover { color: var(--text-primary); }

/* -----------------------------------------------
   13. Form Inputs
   ----------------------------------------------- */
.form-control-custom {
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    border: 1.5px solid #e2e8f0;
    background-color: #fff;
    font-weight: 450;
    font-size: 0.925rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                background-color var(--transition-fast);
}
.form-control-custom:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
    background-color: #fff;
    outline: none;
}
.form-control-custom::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* -----------------------------------------------
   14. Gradient Overlays
   ----------------------------------------------- */
.hero-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
}
.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.12) 0%, transparent 55%);
    pointer-events: none;
}

/* -----------------------------------------------
   15. Alert Extensions
   ----------------------------------------------- */
.alert-custom-amber {
    background: linear-gradient(135deg, #fffbeb, #fef9e7);
    border: 1px solid #fde68a;
    color: #92400e;
}
.alert-custom-rose {
    background: linear-gradient(135deg, #fff1f2, #ffe4e6);
    border: 1px solid #fecdd3;
    color: #be123c;
}

/* -----------------------------------------------
   16. Border Radius Utilities
   ----------------------------------------------- */
.rounded-4 { border-radius: var(--radius-lg) !important; }
.rounded-5 { border-radius: var(--radius-xxl) !important; }

/* -----------------------------------------------
   17. Ambient Background Blurs
   ----------------------------------------------- */
.ambient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.55;
    z-index: 0;
}
.ambient-blob-primary {
    background: rgba(var(--color-primary-rgb), 0.18);
}
.ambient-blob-secondary {
    background: rgba(var(--color-secondary-rgb), 0.18);
}
.ambient-blob-accent {
    background: rgba(var(--color-accent-rgb), 0.12);
}

/* -----------------------------------------------
   18. Footer
   ----------------------------------------------- */
.site-footer {
    background: var(--surface-card-solid);
    border-top: 1px solid var(--border-light);
}
.site-footer a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
    text-decoration: none;
}
.site-footer a:hover {
    color: var(--color-primary);
}

/* -----------------------------------------------
   19. Status Indicators
   ----------------------------------------------- */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}
.status-dot-live {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
}

/* -----------------------------------------------
   20. Profile Page Specific
   ----------------------------------------------- */
.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1), rgba(var(--color-secondary-rgb), 0.1));
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    font-weight: 700;
    border: 3px solid rgba(var(--color-primary-rgb), 0.15);
    margin: 0 auto 1rem;
}

/* -----------------------------------------------
   21. Scrollbar Styling
   ----------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(var(--color-primary-rgb), 0.15);
    border-radius: 50rem;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--color-primary-rgb), 0.3);
}

/* -----------------------------------------------
   22. Utility: Hidden
   ----------------------------------------------- */
.hidden { display: none !important; }

/* -----------------------------------------------
   23. Responsive Fine-Tuning
   ----------------------------------------------- */
@media (max-width: 767.98px) {
    .glass-nav { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
    .display-5 { font-size: 1.75rem; }
    .glass-card { border-radius: var(--radius-lg); }
    .glass-card:hover { transform: translateY(-3px); }
}

@media (max-width: 575.98px) {
    .custom-toast { right: 0.75rem; bottom: 0.75rem; width: calc(100% - 1.5rem); max-width: none; }
}

/* -----------------------------------------------
   24. Navbar Toggler Refinement
   ----------------------------------------------- */
.navbar-toggler {
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

/* -----------------------------------------------
   25. Reduced Motion Support
   ----------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* -----------------------------------------------
   26. News Ticker Marquee Style
   ----------------------------------------------- */
.news-ticker-container {
    background: rgba(var(--color-primary-rgb), 0.05);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    max-width: 100%;
}
.news-ticker-badge {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 1rem;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(var(--color-primary-rgb), 0.2);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.news-ticker-body {
    flex-grow: 1;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.news-ticker-body::before,
.news-ticker-body::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 24px;
    z-index: 2;
    pointer-events: none;
}
.news-ticker-body::before {
    left: 0;
    background: linear-gradient(to right, #ffffff, rgba(255,255,255,0));
}
.news-ticker-body::after {
    right: 0;
    background: linear-gradient(to left, #ffffff, rgba(255,255,255,0));
}
.news-ticker-content {
    display: inline-block;
    padding-left: 100%;
    animation: news-marquee 25s linear infinite;
}
.news-ticker-content:hover {
    animation-play-state: paused;
}
@keyframes news-marquee {
    0%   { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-100%, 0, 0); }
}