/* Vision360 Credit Repair Platform — White/Light Theme */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --purple: #7c3aed;
    --purple-light: #ede9fe;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    font-size: 14px;
    line-height: 1.5;
}

/* ===== LOGIN ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
}

.login-container { width: 100%; max-width: 420px; padding: 20px; }

.login-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-header h1 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.login-header p { color: var(--gray-500); font-size: 14px; }

.login-card .form-group { margin-bottom: 20px; }
.login-card .form-group label { display: block; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; font-size: 13px; }
.login-card input[type="text"], .login-card input[type="password"] {
    width: 100%; padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius);
    font-size: 14px; transition: border-color 0.15s; background: var(--white);
}
.login-card input:focus { outline: none; border-color: var(--primary); }
.login-card .btn-primary { padding: 12px; font-size: 15px; font-weight: 600; }

/* ===== LAYOUT ===== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px; background: var(--white); border-right: 1px solid var(--gray-200);
    padding: 0; flex-shrink: 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}

.sidebar-header {
    padding: 20px 24px; border-bottom: 1px solid var(--gray-200);
}
.sidebar-header h1 { font-size: 20px; font-weight: 800; color: var(--primary); }
.sidebar-header span { font-size: 11px; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.5px; }

.sidebar-nav { padding: 12px 0; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 10px; padding: 10px 24px;
    color: var(--gray-600); text-decoration: none; font-weight: 500; font-size: 14px;
    transition: all 0.15s; border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: var(--gray-50); color: var(--gray-800); }
.sidebar-nav a.active { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 600; }
.sidebar-nav a .icon { font-size: 18px; width: 20px; text-align: center; }

.main-content { flex: 1; padding: 24px 32px; max-width: 1400px; }

.main-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.main-header h2 { font-size: 24px; font-weight: 700; color: var(--gray-900); }
.main-header .actions { display: flex; gap: 8px; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
    border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer;
    border: none; text-decoration: none; transition: all 0.15s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #b91c1c; }
.btn-outline { background: var(--white); color: var(--gray-700); border: 1px solid var(--gray-300); }
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ===== CARDS ===== */
.card {
    background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200); padding: 20px; margin-bottom: 16px;
}
.card-title { font-size: 16px; font-weight: 700; color: var(--gray-800); margin-bottom: 16px; }

/* ===== STATS GRID ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200); padding: 20px; text-align: center;
}
.stat-card .stat-value { font-size: 32px; font-weight: 800; color: var(--gray-900); }
.stat-card .stat-label { font-size: 13px; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
.stat-card.blue { border-left: 4px solid var(--primary); }
.stat-card.green { border-left: 4px solid var(--success); }
.stat-card.orange { border-left: 4px solid var(--warning); }
.stat-card.purple { border-left: 4px solid var(--purple); }

/* ===== TABLE ===== */
.table-container { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
thead { background: var(--gray-50); }
th { padding: 12px 16px; text-align: left; font-weight: 600; color: var(--gray-600); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--gray-200); }
td { padding: 12px 16px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
tr:last-child td { border-bottom: none; }
tr:hover { background: var(--gray-50); }

/* ===== BADGES ===== */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--primary-light); color: var(--primary); }
.badge-purple { background: var(--purple-light); color: var(--purple); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; font-size: 13px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius);
    font-size: 14px; color: var(--gray-800); background: var(--white); transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ===== ALERTS ===== */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-weight: 500; }
.alert-success { background: var(--success-light); color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }

/* ===== MODAL ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: var(--white); border-radius: 12px; padding: 24px; width: 90%; max-width: 500px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.modal-close { float: right; cursor: pointer; font-size: 22px; color: var(--gray-400); border: none; background: none; }

/* ===== LETTER VIEW ===== */
.letter-view {
    background: var(--white); padding: 60px; border-radius: var(--radius); box-shadow: var(--shadow);
    max-width: 800px; margin: 0 auto; font-family: 'Times New Roman', serif; font-size: 12pt;
    line-height: 1.6; white-space: pre-wrap; color: #000;
}

/* ===== TIMELINE ===== */
.timeline { list-style: none; padding: 0; }
.timeline-item { padding: 12px 16px; border-left: 3px solid var(--gray-200); margin-left: 8px; position: relative; }
.timeline-item.completed { border-left-color: var(--success); }
.timeline-item.pending { border-left-color: var(--warning); }
.timeline-item.generated { border-left-color: var(--primary); }
.timeline-item .wave-label { font-weight: 700; color: var(--gray-700); }
.timeline-item .wave-date { font-size: 12px; color: var(--gray-500); }
.timeline-item .wave-badge { margin-left: 8px; }

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ===== CHECKBOX ===== */
.checkbox-group { display: flex; flex-wrap: wrap; gap: 12px; }
.checkbox-item { display: flex; align-items: center; gap: 6px; }
.checkbox-item input[type="checkbox"] { width: 18px; height: 18px; }
.checkbox-item label { margin: 0; font-weight: 500; color: var(--gray-600); }

/* ===== MISC ===== */
.text-muted { color: var(--gray-400); }
.text-sm { font-size: 13px; }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--gray-400); }
.empty-state h3 { font-size: 18px; color: var(--gray-500); margin-bottom: 8px; }

@media (max-width: 768px) {
    .sidebar { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .form-row-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}