/* =========================================
   UI Theme System: Energetic Corgi
   ========================================= */
:root {
    /* Brand Colors */
    --primary: #3B82F6;
    --primary-hover: #1D4ED8;
    --accent: #FF9800;
    --accent-hover: #F57C00;
    --success: #10B981;
    --danger: #EF4444;
    --info: #06B6D4;
    
    /* Neutral Colors */
    --text-main: #334155;
    --text-secondary: #64748B;
    --text-light: #94A3B8;
    --bg-main: #F0F7FF;
    --bg-card: #FFFFFF;
    --bg-input: #F8FAFC;
    --border: #E2E8F0;

    /* Spacing & Radius */
    --radius-card: 24px;
    --radius-input: 12px;
    --radius-btn: 12px;

    /* Fonts */
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
}

/* Common Utilities */
.card-glass {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: 0 8px 30px rgba(148, 163, 184, 0.15);
    border: none;
}

.btn-primary-gradient {
    background: linear-gradient(145deg, var(--primary), #2563EB);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary-gradient:hover {
    background: linear-gradient(145deg, #2563EB, var(--primary-hover));
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
    color: white;
}