/* =========================================================
   SPU ICT Web Portfolio - Luxury Glassmorphism Stylesheet
   นายปัญณธร กรดเสน (Pannathorn Krodsen)
   Color Palette: Luxury Titanium Slate Gray & Champagne Gold
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Prompt:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
    /* Luxury Champagne Gold Tokens */
    --gold-primary: #d4af37;
    --gold-light: #e5c05b;
    --gold-dark: #b8860b;
    --gold-bronze: #997a15;
    --gold-glimmer: rgba(212, 175, 55, 0.18);
    
    /* Titanium Slate Gray Tokens */
    --slate-primary: #475569;
    --slate-light: #64748b;
    --slate-dark: #334155;
    --slate-deep: #1e293b;
    
    /* Light Mode Luxury Smoked Platinum Tokens (Slightly deeper, elegant smoked slate) */
    --glass-bg: rgba(240, 242, 246, 0.8);
    --glass-bg-subtle: rgba(240, 242, 246, 0.6);
    --glass-bg-solid: rgba(245, 246, 250, 0.95);
    --glass-border: rgba(203, 213, 225, 0.65);
    --glass-border-gold: rgba(212, 175, 55, 0.38);
    --glass-shadow: 0 10px 30px -5px rgba(212, 175, 55, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
    --glass-shadow-hover: 0 20px 40px -10px rgba(212, 175, 55, 0.22), 0 8px 16px -4px rgba(71, 85, 105, 0.15);
    --glass-inset-glow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.85);
    
    --bg-page: #ebecee;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
}

html.dark {
    /* Dark Mode: Ultra-Deep Midnight Obsidian Carbon & 24K Gold */
    --glass-bg: rgba(10, 12, 18, 0.84);
    --glass-bg-subtle: rgba(10, 12, 18, 0.65);
    --glass-bg-solid: rgba(13, 16, 24, 0.96);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-gold: rgba(212, 175, 55, 0.42);
    --glass-shadow: 0 14px 40px -5px rgba(0, 0, 0, 0.8), 0 0 25px 0 rgba(212, 175, 55, 0.05);
    --glass-shadow-hover: 0 24px 50px -5px rgba(0, 0, 0, 0.95), 0 0 35px 3px rgba(212, 175, 55, 0.28);
    --glass-inset-glow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12), inset 0 0 15px 0 rgba(0, 0, 0, 0.5);
    
    --bg-page: #06070a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
}

body {
    font-family: 'Prompt', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.font-mono-tech {
    font-family: 'JetBrains Mono', monospace;
}

/* ---------------------------------------------------------
   Ambient Glowing Orbs & Mesh Gradient Background (Gold & Slate)
   --------------------------------------------------------- */
.ambient-glow-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -10;
    overflow: hidden;
}

.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(95px);
    opacity: 0.38;
    will-change: transform;
    animation: floatOrb 22s ease-in-out infinite alternate;
}

html.dark .ambient-orb {
    opacity: 0.28;
    filter: blur(115px);
}

.orb-gold {
    top: -5%;
    left: 12%;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, #d4af37 0%, #b8860b 65%, transparent 100%);
    animation-duration: 24s;
}

.orb-slate {
    top: 38%;
    right: -5%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, #475569 0%, #1e293b 65%, transparent 100%);
    animation-duration: 28s;
    animation-delay: -6s;
}

.orb-champagne {
    bottom: -10%;
    left: 28%;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, #e5c05b 0%, #c59b27 60%, transparent 100%);
    animation-duration: 21s;
    animation-delay: -11s;
}

.orb-carbon {
    top: 22%;
    left: 46%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #64748b 0%, #334155 70%, transparent 100%);
    animation-duration: 29s;
    animation-delay: -16s;
}

@keyframes floatOrb {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 35px) scale(1.06);
    }
    100% {
        transform: translate(-35px, 60px) scale(0.96);
    }
}

/* Subtle Titanium Mesh Grid */
.bg-subtle-grid {
    background-image: radial-gradient(rgba(212, 175, 55, 0.08) 1.2px, transparent 1.2px);
    background-size: 24px 24px;
}
html.dark .bg-subtle-grid {
    background-image: radial-gradient(rgba(229, 192, 91, 0.08) 1.2px, transparent 1.2px);
    background-size: 24px 24px;
}

/* ---------------------------------------------------------
   Core Luxury Glassmorphism Classes
   --------------------------------------------------------- */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), var(--glass-inset-glow);
    border-radius: 1.25rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
    transform: skewX(-20deg);
    transition: left 0.8s ease;
    pointer-events: none;
    z-index: 1;
}

.glass-card:hover::before {
    left: 200%;
}

.glass-card-hover:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-gold);
    box-shadow: var(--glass-shadow-hover), var(--glass-inset-glow);
}

.glass-card-subtle {
    background: var(--glass-bg-subtle);
    backdrop-filter: blur(12px) saturate(160%);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

/* ---------------------------------------------------------
   Luxury Metallic Gold & Slate Buttons
   --------------------------------------------------------- */
.glass-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    user-select: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.glass-btn:active {
    transform: scale(0.97);
}

/* Royal 24K Champagne Gold Button */
.glass-btn-primary {
    background: linear-gradient(135deg, #d4af37 0%, #e5c05b 50%, #b8860b 100%);
    color: #111827;
    font-weight: 700;
    box-shadow: 0 4px 16px 0 rgba(212, 175, 55, 0.35), inset 0 1px 1px 0 rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-btn-primary:hover {
    background: linear-gradient(135deg, #e5c05b 0%, #f3d47d 50%, #c59b27 100%);
    box-shadow: 0 6px 22px 0 rgba(212, 175, 55, 0.5), inset 0 1px 1px 0 rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
    color: #111827;
}

/* Titanium Slate Secondary Button */
.glass-btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.04);
}

.glass-btn-secondary:hover {
    border-color: var(--glass-border-gold);
    background: rgba(212, 175, 55, 0.1);
    color: #b8860b;
    transform: translateY(-2px);
}
html.dark .glass-btn-secondary:hover {
    color: #e5c05b;
}

.glass-btn-danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.glass-btn-danger:hover {
    background: rgba(239, 68, 68, 0.22);
    transform: translateY(-2px);
}

/* ---------------------------------------------------------
   Luxury Glass Badges & Pills
   --------------------------------------------------------- */
.glass-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

/* Champagne Gold Badge */
.glass-badge-gold {
    background: rgba(212, 175, 55, 0.14);
    color: #b8860b;
    border-color: rgba(212, 175, 55, 0.35);
}
html.dark .glass-badge-gold {
    color: #e5c05b;
    background: rgba(212, 175, 55, 0.18);
}

/* Titanium Slate Badge */
.glass-badge-slate {
    background: rgba(71, 85, 105, 0.14);
    color: #475569;
    border-color: rgba(71, 85, 105, 0.3);
}
html.dark .glass-badge-slate {
    color: #94a3b8;
    background: rgba(71, 85, 105, 0.22);
}

.glass-badge-emerald {
    background: rgba(16, 185, 129, 0.14);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.35);
}
html.dark .glass-badge-emerald {
    color: #34d399;
}

/* ---------------------------------------------------------
   Sticky Left Vertical Sidebar Styles (Titanium Glass)
   --------------------------------------------------------- */
#desktop-sidebar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(190%);
    -webkit-backdrop-filter: blur(20px) saturate(190%);
    border-right: 1px solid var(--glass-border);
    box-shadow: 4px 0 24px 0 rgba(212, 175, 55, 0.04);
}

.nav-link-item {
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-link-item:hover {
    background: rgba(212, 175, 55, 0.08);
    border-color: rgba(212, 175, 55, 0.2);
    color: #b8860b;
    transform: translateX(4px);
}
html.dark .nav-link-item:hover {
    color: #e5c05b;
}

.nav-link-item.active {
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.18) 0%, rgba(71, 85, 105, 0.12) 100%);
    border-color: rgba(212, 175, 55, 0.45);
    color: #b8860b;
    box-shadow: 0 4px 12px 0 rgba(212, 175, 55, 0.12);
    font-weight: 700;
}
html.dark .nav-link-item.active {
    color: #e5c05b;
}

/* ---------------------------------------------------------
   Glassmorphic Modals & Backdrop
   --------------------------------------------------------- */
.glass-modal-backdrop {
    background: rgba(10, 12, 16, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: opacity 0.25s ease;
}

.glass-modal-content {
    background: var(--glass-bg-solid);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), var(--glass-inset-glow);
    border-radius: 1.5rem;
    animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Frosted input fields */
.glass-input {
    background: var(--glass-bg-subtle);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}

.glass-input:focus {
    outline: none;
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    background: var(--glass-bg-solid);
}

/* ---------------------------------------------------------
   Toast Notifications (Champagne Gold Accents)
   --------------------------------------------------------- */
#toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 420px;
    width: calc(100% - 3rem);
    pointer-events: none;
}

.toast-item {
    pointer-events: auto;
    background: var(--glass-bg-solid);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-left: 4px solid #d4af37;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.2), 0 0 15px 0 rgba(212, 175, 55, 0.15);
    border-radius: 1rem;
    padding: 0.875rem 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transition: all 0.25s ease;
}

.toast-item.removing {
    opacity: 0;
    transform: translateX(30px) scale(0.95);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* Custom Titanium Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.25);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 175, 55, 0.5);
}

/* Smooth glass shine shimmer effect */
@keyframes glassShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

.glass-shimmer {
    position: relative;
    overflow: hidden;
}
.glass-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: glassShimmer 3s infinite;
}