/* --- MODERN RESET & VARIABLES --- */
:root {
    --brand-primary: #0071dc;
    --brand-dark: #001e60;
    --brand-accent: #ffc220;
    
    /* Modern Surface Colors */
    --surface-light: #ffffff;
    --surface-off: #f8fafc;
    --surface-dark: #0f172a;
    --surface-dark-card: #1e293b;
}

body {
    font-family: 'Jost', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Subtle mesh gradient background */
    background: radial-gradient(circle at 50% 0%, #f1f5f9 0%, #f8fafc 100%);
}

.dark body {
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
}

/* --- PREMIUM SCROLLBAR --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
}
.dark ::-webkit-scrollbar-thumb {
    background: #475569;
    border: 2px solid transparent;
    background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
    background-color: #94a3b8;
}

/* --- GLASSMORPHISM UTILITIES --- */
.glass-panel {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.dark .glass-panel {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.glass-header {
    background: rgba(0, 113, 220, 0.95); /* Brand Primary with opacity */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- PREMIUM CARD INTERACTIONS --- */
.premium-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Spring physics */
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.premium-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px -5px rgba(0, 113, 220, 0.15), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
    z-index: 10;
    border-color: rgba(0, 113, 220, 0.3);
}

/* Subtle inner glow on hover */
.premium-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.4), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
    z-index: 2;
}
.premium-card:hover::after {
    opacity: 1;
}

/* --- ANIMATIONS --- */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}
.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 194, 32, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(255, 194, 32, 0); }
}
.animate-pulse-glow {
    animation: pulse-glow 2s infinite;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-enter {
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* --- BUTTONS --- */
.btn-primary-gradient {
    background: linear-gradient(135deg, #0071dc 0%, #005bb5 100%);
    box-shadow: 0 4px 15px rgba(0, 113, 220, 0.3);
    transition: all 0.3s ease;
}
.btn-primary-gradient:hover {
    box-shadow: 0 8px 25px rgba(0, 113, 220, 0.5);
    transform: translateY(-2px);
}

.btn-accent-gradient {
    background: linear-gradient(135deg, #ffc220 0%, #ffac00 100%);
    box-shadow: 0 4px 15px rgba(255, 194, 32, 0.4);
    color: #001e60;
}
.btn-accent-gradient:hover {
    box-shadow: 0 8px 25px rgba(255, 194, 32, 0.6);
    transform: translateY(-2px);
}

/* --- TOAST --- */
#toast-container > div {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}