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

:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --accent: #10b981;
    --accent-dark: #059669;
    --bg-mesh: radial-gradient(at 0% 0%, rgba(2, 132, 199, 0.08) 0px, transparent 50%), 
               radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
               radial-gradient(at 50% 50%, rgba(99, 102, 241, 0.04) 0px, transparent 50%),
               #f8fafc;
}

body {
    font-family: 'Plus Jakarta Sans', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-mesh);
    color: #0f172a;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Glassmorphism Header */
.glass-header {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Modern Card Hover Effects */
.card-premium {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.card-premium:hover {
    box-shadow: 0 16px 32px -6px rgba(2, 132, 199, 0.07), 0 6px 12px -4px rgba(0, 0, 0, 0.03);
    border-color: rgba(2, 132, 199, 0.35);
}

/* Result Box Glow */
.result-glow {
    position: relative;
    background: linear-gradient(135deg, #090e1a 0%, #172033 100%);
    box-shadow: 0 20px 30px -8px rgba(15, 23, 42, 0.25), 0 8px 12px -6px rgba(15, 23, 42, 0.15);
    border-radius: 1.5rem;
    overflow: hidden;
}

.result-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.6), rgba(52, 211, 153, 0.6), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Quick preset buttons */
.preset-chip {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    font-size: 11.5px;
    font-weight: 600;
    border-radius: 8px;
    padding: 5px 10px;
    background: #f8fafc;
    color: #475569;
    cursor: pointer;
}
.preset-chip:hover {
    border-color: #0284c7;
    background: #f0f9ff;
    color: #0369a1;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(2, 132, 199, 0.12);
}
.preset-chip.active {
    background: #e0f2fe;
    border-color: #0284c7;
    color: #0369a1;
    font-weight: 700;
}
.preset-chip:active {
    transform: translateY(0);
}

/* Currency input focus glow */
.input-premium:focus {
    box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.12);
}

/* Trust Pill Badges */
.badge-trust {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 11.5px;
    font-weight: 700;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Breakdown bar */
.breakdown-bar {
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: #e2e8f0;
    display: flex;
}

/* Accordion Transition */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
}

.accordion-content.active {
    max-height: 1200px;
    transition: max-height 0.45s ease-in-out;
}

/* Print Styles */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    .no-print, 
    nav, 
    footer, 
    .adsense-slot, 
    .ad-container, 
    .action-buttons, 
    .quick-presets,
    .calculator-tabs {
        display: none !important;
    }
    .print-container {
        box-shadow: none !important;
        border: 1px solid #cbd5e1 !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
}