/* ═══════════════════════════════════════════════
   SwingZone — Global Styles
   ═══════════════════════════════════════════════ */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-success: #059669;
    --color-success-light: #d1fae5;
    --color-warning: #d97706;
    --color-warning-light: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-dark: #0f172a;
    --color-dark-mid: #1e293b;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --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(0,0,0,0.07), 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);
    --transition: 150ms ease;
}

/* ─── Reset ─────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
input, select, textarea, button { font: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ─── Layout ────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 20px; }
.container-md { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.site-main { min-height: calc(100vh - 160px); }

/* ─── Header ────────────────────────────────── */
.site-header {
    background: var(--color-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
    color: var(--color-gray-300);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: all var(--transition);
}
.main-nav a:hover { color: var(--color-white); background: rgba(255,255,255,0.08); }

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s;
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--color-dark);
        flex-direction: column;
        padding: 16px 20px;
        border-top: 1px solid rgba(255,255,255,0.08);
        gap: 4px;
    }
    .main-nav.active { display: flex; }
    .main-nav a { width: 100%; padding: 12px 16px; }
}

/* ─── Buttons ───────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }

.btn-secondary { background: var(--color-gray-100); color: var(--color-gray-800); border: 1px solid var(--color-gray-300); }
.btn-secondary:hover { background: var(--color-gray-200); color: var(--color-gray-800); }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { background: #047857; color: #fff; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-block { width: 100%; }

/* ─── Forms ─────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-700);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--color-gray-800);
    background: var(--color-white);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-control::placeholder { color: var(--color-gray-400); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' fill='none' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-hint { font-size: 13px; color: var(--color-gray-500); margin-top: 4px; }
.form-error { font-size: 13px; color: var(--color-danger); margin-top: 4px; }
.form-control.error { border-color: var(--color-danger); }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

@media (max-width: 480px) {
    .form-row { flex-direction: column; gap: 0; }
}

/* ─── Cards ─────────────────────────────────── */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}
.card-header { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--color-gray-100); }
.card-header h2, .card-header h3 { margin: 0; }

/* ─── Alerts ────────────────────────────────── */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-success { background: var(--color-success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-warning { background: var(--color-warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-danger { background: var(--color-danger-light); color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ─── Badges ────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}
.badge-success { background: var(--color-success-light); color: #065f46; }
.badge-warning { background: var(--color-warning-light); color: #92400e; }
.badge-danger { background: var(--color-danger-light); color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }

/* ─── Tables ────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; font-size: 14px; }
.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    border-bottom: 2px solid var(--color-gray-200);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-700);
}
.data-table tbody tr:hover { background: var(--color-gray-50); }
.data-table .actions { display: flex; gap: 8px; }

/* ─── Stats Cards ───────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.stat-card .stat-label { font-size: 13px; color: var(--color-gray-500); font-weight: 500; margin-bottom: 4px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--color-gray-900); }
.stat-card .stat-sub { font-size: 13px; color: var(--color-gray-400); margin-top: 4px; }

/* ─── Tabs ──────────────────────────────────── */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--color-gray-200); margin-bottom: 24px; }
.tab-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-500);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition);
}
.tab-btn:hover { color: var(--color-gray-700); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Modal ─────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    overflow-y: auto;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 680px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    margin: auto 0;
}
.modal h3 { margin-bottom: 12px; }
.modal p { color: var(--color-gray-600); margin-bottom: 24px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* ─── Progress Bar ──────────────────────────── */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--color-gray-200);
    border-radius: 999px;
    overflow: hidden;
}
.progress-bar .fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 999px;
    transition: width 0.4s ease;
}

/* ─── Pagination ────────────────────────────── */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 24px; }
.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}
.pagination a:hover { background: var(--color-gray-50); color: var(--color-primary); }
.pagination .active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ─── Footer ────────────────────────────────── */
.site-footer {
    background: var(--color-dark);
    color: var(--color-gray-400);
    padding: 48px 0 24px;
    margin-top: 64px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}
.footer-logo { height: 32px; margin-bottom: 12px; }
.footer-col h4 { color: var(--color-white); font-size: 15px; margin-bottom: 12px; }
.footer-col a { display: block; color: var(--color-gray-400); font-size: 14px; padding: 3px 0; }
.footer-col a:hover { color: var(--color-white); }
.footer-col p { font-size: 14px; line-height: 1.6; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Utilities ─────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 24px; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.hidden { display: none !important; }

/* ─── Page Layouts ──────────────────────────── */
.page-header {
    padding: 32px 0 24px;
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: 32px;
}
.page-header h1 { font-size: 28px; color: var(--color-gray-900); margin-bottom: 4px; }
.page-header p { color: var(--color-gray-500); }

.section { padding: 64px 0; }
.section-alt { background: var(--color-gray-50); }

/* ─── Loading Spinner ───────────────────────── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Checkbox / Radio styled ───────────────── */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}
.form-check label { margin-bottom: 0; font-weight: 400; }