/* Benz General - Core Design System & Global Styles (Premium Light Theme) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Clean Light Theme */
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e2e8f0;
    
    --accent-blue: #0284c7;
    --accent-blue-glow: rgba(2, 132, 199, 0.2);
    --accent-indigo: #4f46e5;
    --accent-gold: #d97706;
    --accent-gold-glow: rgba(217, 119, 6, 0.15);
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    /* Layout & Soft Cards */
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-glow: rgba(2, 132, 199, 0.02);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    /* Fonts */
    --font-family: 'Outfit', 'Sarabun', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.5;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(2, 132, 199, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image: url('../it_background.png');
    background-size: cover;
    background-position: center;
    opacity: 0.04;
    pointer-events: none;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Clean Panels */
.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.glass-panel:hover {
    border-color: rgba(2, 132, 199, 0.25);
    box-shadow: var(--shadow-lg);
}

.glass-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(2, 132, 199, 0.3);
    box-shadow: var(--shadow-lg);
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Global inputs and buttons */
input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid #cbd5e1;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
    background: var(--bg-secondary);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
    filter: brightness(1.05);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #b45309 100%);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px var(--accent-gold-glow);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(217, 119, 6, 0.3);
}

.btn-danger {
    background: var(--accent-red);
    color: #ffffff;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: var(--accent-green);
    color: #ffffff;
}

.btn-success:hover {
    background: #059669;
}

/* Badge styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-blue { background: rgba(2, 132, 199, 0.1); color: var(--accent-blue); border: 1px solid rgba(2, 132, 199, 0.2); }
.badge-gold { background: rgba(217, 119, 6, 0.1); color: var(--accent-gold); border: 1px solid rgba(217, 119, 6, 0.2); }
.badge-green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-red { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.2); }

/* Helpers */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .flex-between { flex-direction: column; align-items: stretch; gap: 1rem; }
}