/* ============================================================
   BRTracker v2.0 - Stylesheet
   ============================================================ */

:root {
    --primary: #5c6bc0;
    --primary-dark: #3949ab;
    --primary-light: #e8eaf6;
    --success: #2e7d32;
    --success-bg: #e8f5e9;
    --danger: #c62828;
    --danger-bg: #ffebee;
    --warning: #f57f17;
    --text: #212121;
    --text-light: #616161;
    --text-muted: #9e9e9e;
    --bg: #f5f5f5;
    --card: #ffffff;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --radius: 10px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
}

/* ============================================================
   Auth Pages (Login / Install)
   ============================================================ */
body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #5c6bc0 0%, #3949ab 100%);
}

.auth-box {
    background: var(--card);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.auth-logo {
    font-size: 32px;
    text-align: center;
    margin-bottom: 8px;
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 28px;
    color: var(--text-light);
    font-weight: 500;
    font-size: 18px;
}

/* ============================================================
   Layout
   ============================================================ */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background: var(--card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-logo {
    padding: 24px 20px 16px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.nav-link .icon { font-size: 18px; width: 24px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

/* Main */
.main {
    margin-left: 220px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar h1 {
    font-size: 20px;
    font-weight: 600;
}

.content {
    padding: 28px;
    flex: 1;
}

/* ============================================================
   Cards & Grids
   ============================================================ */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 7px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #ffcdd2; }

.btn-secondary { background: var(--bg); color: var(--text-light); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }

.btn-full { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ============================================================
   Forms
   ============================================================ */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    transition: border-color 0.2s;
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.12);
}

/* Placement Selector */
.placement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.placement-grid input[type="radio"] { display: none; }

.placement-grid label {
    display: block;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text);
    background: white;
}

.placement-grid input[type="radio"]:checked + label {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.placement-grid label:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Preset Buttons */
.presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 10px;
}

.preset-btn {
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: 7px;
    background: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
    color: var(--text);
}

.preset-btn:hover { border-color: var(--primary); color: var(--primary); }
.preset-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* Checkbox */
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

.checkbox-row input[type="checkbox"] {
    width: 17px;
    height: 17px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.checkbox-row label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    margin: 0;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.open { display: flex; }

.modal {
    background: var(--card);
    border-radius: var(--radius);
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.modal-head {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-head h3 { font-size: 17px; }

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    padding: 2px 6px;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 20px; }

/* ============================================================
   Tournament List
   ============================================================ */
.tournament-list { display: flex; flex-direction: column; gap: 10px; }

.tournament-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg);
    border-radius: 8px;
    border-left: 4px solid var(--border);
    transition: all 0.2s;
}

.tournament-row.positive { border-left-color: var(--success); }
.tournament-row.negative { border-left-color: var(--danger); }

.tournament-row:hover { box-shadow: var(--shadow); }

.t-placement { font-size: 22px; width: 32px; text-align: center; flex-shrink: 0; }

.t-info { flex: 1; min-width: 0; }
.t-date { font-size: 12px; color: var(--text-muted); }
.t-detail { font-size: 13px; color: var(--text-light); margin-top: 2px; }

.t-result { font-size: 17px; font-weight: 700; flex-shrink: 0; }
.t-result.positive { color: var(--success); }
.t-result.negative { color: var(--danger); }

.t-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: 7px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert a { color: inherit; font-weight: 600; }

/* ============================================================
   Drop Zone (Screenshots)
   ============================================================ */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    background: var(--primary-light);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--text-light);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--primary);
    background: #dde0f5;
}

.file-preview { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

.file-preview-item {
    position: relative;
    width: 80px; height: 80px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.file-preview-item img { width: 100%; height: 100%; object-fit: cover; }

.file-preview-item .remove {
    position: absolute;
    top: 2px; right: 2px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px; height: 20px;
    font-size: 12px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

/* Screenshot Gallery */
.screenshot-gallery { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }

.screenshot-thumb {
    position: relative;
    width: 100px; height: 100px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
}

.screenshot-thumb img { width: 100%; height: 100%; object-fit: cover; }

.screenshot-thumb:hover img { opacity: 0.85; }

.screenshot-thumb .sc-delete {
    position: absolute;
    top: 3px; right: 3px;
    background: rgba(198,40,40,0.85);
    color: white;
    border: none;
    border-radius: 50%;
    width: 22px; height: 22px;
    font-size: 13px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

/* ============================================================
   Misc
   ============================================================ */
.text-muted { color: var(--text-muted); font-size: 14px; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }

/* Responsive */
@media (max-width: 700px) {
    .sidebar { width: 60px; }
    .sidebar-logo { font-size: 20px; padding: 20px 10px; text-align: center; }
    .nav-link span:not(.icon) { display: none; }
    .nav-link { justify-content: center; padding: 12px; }
    .main { margin-left: 60px; }
    .content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* Sidebar Sparkline Graph */
.sidebar-graph {
    margin: 0 12px 16px;
    padding: 10px 12px;
    background: var(--primary-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.sidebar-graph:hover {
    border-color: var(--primary);
    background: #d5d9f5;
}

.sidebar-graph-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================
   Dark Mode
   ============================================================ */
[data-theme="dark"] {
    --primary: #7986cb;
    --primary-dark: #5c6bc0;
    --primary-light: #1a1f3a;
    --success: #66bb6a;
    --success-bg: #1b2e1c;
    --danger: #ef5350;
    --danger-bg: #2e1b1b;
    --text: #e0e0e0;
    --text-light: #bdbdbd;
    --text-muted: #757575;
    --bg: #121212;
    --card: #1e1e1e;
    --border: #2e2e2e;
    --shadow: 0 2px 8px rgba(0,0,0,0.4);
}

[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .sidebar { background: #1a1a1a; border-color: var(--border); }
[data-theme="dark"] .topbar { background: #1a1a1a; border-color: var(--border); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea { background: #2a2a2a; border-color: var(--border); color: var(--text); }
[data-theme="dark"] .preset-btn { background: #2a2a2a; color: var(--text); }
[data-theme="dark"] .placement-grid label { background: #2a2a2a; color: var(--text); }
[data-theme="dark"] .modal { background: #1e1e1e; }
[data-theme="dark"] .drop-zone { background: var(--primary-light); border-color: var(--border); }
[data-theme="dark"] .tournament-row { background: #2a2a2a; }
[data-theme="dark"] .auth-box { background: #1e1e1e; }
[data-theme="dark"] .sidebar-graph { background: var(--primary-light); }

/* Period Filter */
.period-filter {
    display: flex;
    gap: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px;
}
.period-btn {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}
.period-btn:hover { color: var(--primary); }
.period-btn.active { background: var(--primary); color: white; }

[data-theme="dark"] .period-filter { background: #2a2a2a; }