/**
 * ============================================================================
 * DS EVA - MAIN STYLESHEET
 * ============================================================================
 */

:root {
    --primary-blue: #2563eb;
    --primary-purple: #7c3aed;
    --primary-red: #dc2626;
    --secondary-green: #22c55e;
    --secondary-yellow: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #dc2626 100%);
    --gradient-blue-purple: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    
    --font-xs: 0.7rem;
    --font-sm: 0.8rem;
    --font-base: 0.875rem;
    --font-lg: 1rem;
    --font-xl: 1.125rem;
    --font-2xl: 1.25rem;
    --font-3xl: 1.5rem;
    
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1f1f1f;
    --bg-hover: #2a2a2a;
    --bg-input: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #888888;
    --border-primary: #2a2a2a;
    --border-secondary: #333333;
    --overlay-bg: rgba(0, 0, 0, 0.7);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-hover: #e2e8f0;
    --bg-input: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --overlay-bg: rgba(0, 0, 0, 0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Aptos', 'Segoe UI', -apple-system, sans-serif;
    font-size: var(--font-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
}

h1 { font-size: var(--font-3xl); font-weight: 600; }
h2 { font-size: var(--font-2xl); font-weight: 600; }
h3 { font-size: var(--font-xl); font-weight: 600; }
h4 { font-size: var(--font-lg); font-weight: 600; }

a { color: var(--primary-blue); text-decoration: none; }
a:hover { color: var(--primary-purple); }

/* Parallax Background */
.parallax-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.parallax-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transform: rotate(-35deg);
    animation: parallaxMove 20s linear infinite;
}

.parallax-line:nth-child(1) { width: 200%; height: 1px; top: 10%; left: -50%; animation-duration: 25s; }
.parallax-line:nth-child(2) { width: 200%; height: 2px; top: 30%; left: -50%; background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.08), transparent); animation-duration: 30s; }
.parallax-line:nth-child(3) { width: 200%; height: 1px; top: 50%; left: -50%; background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.06), transparent); animation-duration: 35s; }
.parallax-line:nth-child(4) { width: 200%; height: 3px; top: 70%; left: -50%; background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent); animation-duration: 28s; }
.parallax-line:nth-child(5) { width: 200%; height: 1px; top: 90%; left: -50%; background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.07), transparent); animation-duration: 32s; }

@keyframes parallaxMove {
    0% { transform: rotate(-35deg) translateX(-10%); }
    100% { transform: rotate(-35deg) translateX(10%); }
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.03;
    animation: float 15s ease-in-out infinite;
}

.floating-shape:nth-child(6) { width: 300px; height: 300px; background: var(--primary-blue); top: -100px; right: -100px; }
.floating-shape:nth-child(7) { width: 200px; height: 200px; background: var(--primary-purple); bottom: 10%; left: -50px; animation-delay: -5s; }
.floating-shape:nth-child(8) { width: 150px; height: 150px; background: var(--primary-red); top: 40%; right: 10%; animation-delay: -10s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Forms */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-size: var(--font-sm); font-weight: 500; color: var(--text-secondary); margin-bottom: var(--space-2); }
.form-label.required::after { content: ' *'; color: var(--primary-red); }

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: var(--font-base);
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder { color: var(--text-muted); }

.form-group-icon { position: relative; }
.form-group-icon .form-control { padding-left: 40px; }
.form-group-icon > i:first-of-type {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-sm);
    pointer-events: none;
}

textarea.form-control { min-height: 80px; resize: vertical; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 18px;
    font-size: var(--font-sm);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
    color: #fff;
    background: var(--gradient-blue-purple);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4); }

.btn-secondary {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
}
.btn-secondary:hover:not(:disabled) { background-color: var(--bg-hover); }

.btn-danger { color: #fff; background-color: var(--primary-red); }
.btn-success { color: #fff; background-color: var(--secondary-green); }
.btn-ghost { color: var(--text-secondary); background: transparent; padding: 8px 12px; }
.btn-ghost:hover { color: var(--text-primary); background-color: var(--bg-hover); }
.btn-link { color: var(--primary-blue); background: transparent; padding: 0; }

.btn-sm { padding: 6px 12px; font-size: var(--font-xs); }
.btn-block { width: 100%; }

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card-header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-primary); background-color: var(--bg-tertiary); }
.card-header h4 { margin: 0; font-size: var(--font-base); }
.card-body { padding: var(--space-5); }
.card-footer { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border-primary); }

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
}

.alert-success { color: #166534; background-color: #dcfce7; border: 1px solid #86efac; }
.alert-danger { color: #991b1b; background-color: #fee2e2; border: 1px solid #fca5a5; }
.alert-warning { color: #92400e; background-color: #fef3c7; border: 1px solid #fcd34d; }
.alert-info { color: #1e40af; background-color: #dbeafe; border: 1px solid #93c5fd; }

[data-theme="dark"] .alert-success { color: #86efac; background-color: rgba(34, 197, 94, 0.1); border-color: rgba(34, 197, 94, 0.3); }
[data-theme="dark"] .alert-danger { color: #fca5a5; background-color: rgba(220, 38, 38, 0.1); border-color: rgba(220, 38, 38, 0.3); }
[data-theme="dark"] .alert-warning { color: #fcd34d; background-color: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.3); }
[data-theme="dark"] .alert-info { color: #93c5fd; background-color: rgba(37, 99, 235, 0.1); border-color: rgba(37, 99, 235, 0.3); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    font-size: var(--font-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}
.badge-primary { color: #fff; background-color: var(--primary-blue); }
.badge-secondary { color: var(--text-secondary); background-color: var(--bg-tertiary); }
.badge-success { color: #fff; background-color: var(--secondary-green); }
.badge-danger { color: #fff; background-color: var(--primary-red); }
.badge-warning { color: #000; background-color: var(--secondary-yellow); }

/* Tables */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: var(--font-sm); }
.table th, .table td { padding: var(--space-3) var(--space-4); text-align: left; border-bottom: 1px solid var(--border-primary); }
.table th { font-weight: 600; color: var(--text-muted); background-color: var(--bg-tertiary); font-size: var(--font-xs); text-transform: uppercase; }
.table tbody tr:hover { background-color: var(--bg-hover); }

/* Modals */
.modal-backdrop {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--overlay-bg); z-index: 1000;
    opacity: 0; visibility: hidden; transition: all var(--transition-normal);
}
.modal-backdrop.show { opacity: 1; visibility: visible; }

.modal {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%; max-width: 500px; max-height: 90vh;
    background-color: var(--bg-card); border-radius: var(--radius-xl);
    z-index: 1001; opacity: 0; visibility: hidden;
    transition: all var(--transition-normal);
}
.modal.show { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-primary); }
.modal-title { font-size: var(--font-lg); font-weight: 600; display: flex; align-items: center; gap: var(--space-2); }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: var(--space-2); font-size: var(--font-lg); }
.modal-body { padding: var(--space-5); overflow-y: auto; max-height: 60vh; }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border-primary); }

/* Loading */
.spinner { width: 20px; height: 20px; border: 2px solid var(--border-primary); border-top-color: var(--primary-blue); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Utilities */
.d-none { display: none !important; }
.d-flex { display: flex !important; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.m-0 { margin: 0 !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }

.text-center { text-align: center; }
.text-muted { color: var(--text-muted) !important; }
.text-primary { color: var(--text-primary) !important; }
.text-blue { color: var(--primary-blue) !important; }
.text-purple { color: var(--primary-purple) !important; }
.text-red { color: var(--primary-red) !important; }
.text-green { color: var(--secondary-green) !important; }
.text-danger { color: var(--primary-red) !important; }

.w-100 { width: 100%; }

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

@media (max-width: 768px) {
    html { font-size: 14px; }
}