/**
 * ASEU - Modern UI Styles (2026 Edition)
 * 
 * Premium dark theme with glassmorphism, aurora effects, and micro-animations.
 * 
 * @version 1.0.0
 */

/* ============================================================
   ROOT CSS VARIABLES
   ============================================================ */
:root {
    --bg-dark: #0a0a14;
    --bg-card: rgba(26, 26, 46, 0.7);
    --bg-card-hover: rgba(40, 40, 70, 0.8);
    --primary: #f7931e;
    --primary-dark: #e08100;
    --primary-glow: rgba(247, 147, 30, 0.3);
    --secondary: #6366f1;
    --accent: #ec4899;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(247, 147, 30, 0.5);
    --glass-blur: 20px;
    --transition-smooth: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-fast: 0.2s ease;
}

/* ============================================================
   BASE STYLES
   ============================================================ */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ============================================================
   FROSTED GLASS NAVBAR
   ============================================================ */
#mainNav {
    background: rgba(10, 10, 20, 0.85) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
    padding: 15px 0;
}

#mainNav.navbar-shrink {
    background: rgba(10, 10, 20, 0.95) !important;
    padding: 10px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

#mainNav .navbar-brand img {
    filter: brightness(1.1);
    transition: var(--transition-fast);
}

#mainNav .navbar-brand:hover img {
    filter: brightness(1.3);
    transform: scale(1.05);
}

#mainNav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 18px !important;
    margin: 0 5px;
    border-radius: 25px;
    transition: var(--transition-fast);
    position: relative;
}

#mainNav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

#mainNav .nav-link:hover {
    color: var(--primary) !important;
    background: rgba(247, 147, 30, 0.1);
}

#mainNav .nav-link:hover::before {
    width: 60%;
}

#mainNav .navbar-toggler {
    border-color: var(--border-light);
    padding: 8px 12px;
}

#mainNav .navbar-toggler i {
    color: var(--primary);
}

/* ============================================================
   MASTHEAD / HEADER WITH AURORA EFFECT
   ============================================================ */
.masthead {
    position: relative;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 100px;
    /* Account for fixed navbar height */
}

.masthead::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(10, 10, 20, 0.9) 0%,
            rgba(247, 147, 30, 0.15) 25%,
            rgba(99, 102, 241, 0.15) 50%,
            rgba(236, 72, 153, 0.15) 75%,
            rgba(10, 10, 20, 0.9) 100%);
    background-size: 400% 400%;
    animation: aurora 15s ease infinite;
    z-index: 0;
}

.masthead::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center,
            transparent 0%,
            rgba(10, 10, 20, 0.7) 100%);
    z-index: 0;
}

@keyframes aurora {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.masthead .intro-body,
.masthead .container {
    position: relative;
    z-index: 1;
}

/* ============================================================
   GLASSMORPHISM CARDS
   ============================================================ */
.card {
    background: var(--bg-card) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-light) !important;
    border-radius: 20px !important;
    transition: var(--transition-smooth);
    overflow: visible !important;
    /* Allow dropdowns to extend outside */
    position: relative;
    z-index: 1;
}

/* Elevate card z-index when dropdown is open to appear above sibling cards */
.card:has(.dropdown-menu.show),
.card:focus-within {
    z-index: 100 !important;
}

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

.card:hover {
    transform: translateY(-12px) scale(1.02);
    background: var(--bg-card-hover) !important;
    border-color: var(--border-hover) !important;
    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.4),
        0 0 40px var(--primary-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card:hover::before {
    opacity: 1;
}

.card-body {
    padding: 30px 25px;
}

.card-title {
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

.card:hover .card-title {
    color: var(--primary) !important;
}

.card-body img {
    transition: var(--transition-smooth);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.card:hover .card-body img {
    transform: scale(1.1) rotate(3deg);
    filter: drop-shadow(0 10px 25px rgba(247, 147, 30, 0.3));
}

/* ============================================================
   ENHANCED BUTTONS
   ============================================================ */
.btn-outline-light {
    color: var(--text-secondary);
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.05);
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 25px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-outline-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-outline-light:hover {
    color: var(--bg-dark);
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 10px 30px var(--primary-glow);
}

.btn-outline-light:hover::before {
    left: 100%;
}

/* ============================================================
   DROPDOWN MENUS - FIXED POSITIONING & STYLING
   Override Bootstrap defaults with higher specificity
   ============================================================ */
.dropdown {
    position: static !important;
}

.card .dropdown {
    position: relative !important;
}

/* Ultra-high specificity override for Bootstrap dropdown */
/* Target Bootstrap's dark theme and our custom class */
[data-bs-theme="dark"] .dropdown-menu,
[data-bs-theme="dark"] .dropdown-menu.show,
.dropdown-menu-dark-custom,
.dropdown-menu-dark-custom.show,
html body .dropdown-menu,
html body .dropdown-menu.show,
.card .dropdown-menu,
.card .dropdown-menu.show {
    background: rgba(20, 20, 35, 0.98) !important;
    background-color: rgba(20, 20, 35, 0.98) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 15px !important;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(247, 147, 30, 0.1) !important;
    padding: 12px !important;
    min-width: 200px !important;
    z-index: 9999 !important;
    --bs-dropdown-bg: rgba(20, 20, 35, 0.98) !important;
    --bs-dropdown-border-color: rgba(255, 255, 255, 0.15) !important;
}

/* Dropdown inside cards - position below button */
.card .dropdown-menu,
.card .dropdown-menu.show {
    position: absolute !important;
    top: 100% !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translateX(-50%) !important;
    margin-top: 10px !important;
}

/* Override Bootstrap dropdown animation */
.dropdown-menu.show {
    display: block !important;
    animation: dropdownFade 0.3s ease !important;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: 10px;
    transition: var(--transition-fast);
    font-size: 14px;
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: rgba(247, 147, 30, 0.15);
}

.dropdown-item::before {
    content: '→';
    margin-right: 10px;
    opacity: 0;
    transition: var(--transition-fast);
}

.dropdown-item:hover::before {
    opacity: 1;
}

/* ============================================================
   ENHANCED FLOATING AI BUTTON
   ============================================================ */
.ai-floating-btn {
    animation: float 3s ease-in-out infinite;
}

/* Remove orbit circles - we want the GIF to show cleanly */
.ai-floating-btn::before,
.ai-floating-btn::after {
    display: none !important;
    content: none !important;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.ai-floating-btn:hover {
    animation-play-state: paused;
    transform: scale(1.1);
}

/* ============================================================
   SCROLLBAR STYLING
   ============================================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(247, 147, 30, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ============================================================
   PARTICLE BACKGROUND (Optional Enhancement)
   ============================================================ */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 20s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ============================================================
   LOADING ANIMATION
   ============================================================ */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================================
   RESPONSIVE ENHANCEMENTS
   ============================================================ */
@media (max-width: 768px) {
    #mainNav {
        padding: 10px 0;
    }

    .card {
        margin-bottom: 20px !important;
    }

    .card:hover {
        transform: translateY(-5px);
    }

    .masthead::before {
        animation-duration: 30s;
    }
}

/* ============================================================
   SELECTION STYLING
   ============================================================ */
::selection {
    background: var(--primary);
    color: var(--bg-dark);
}

::-moz-selection {
    background: var(--primary);
    color: var(--bg-dark);
}