/* RaceTrack CSS */
:root {
    --green: #2d6a4f;
    --green-light: #40916c;
    --green-bg: #d8f3dc;
    --orange: #e76f51;
    --orange-light: #f4a261;
    --bg: #f8f9fa;
    --card-bg: #fff;
    --text: #212529;
    --text-muted: #6c757d;
    --border: #dee2e6;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08);
}

* { 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);
    line-height: 1.6;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.nav-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 24px;
    background: var(--green);
    color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,.15);
    position: sticky;
    top: 0;
    z-index: 999;
}
.nav-logo {
    font-size: 20px;
    font-weight: 700;
    color: #fff !important;
    text-decoration: none !important;
    margin-right: auto;
}
.nav-links { display: flex; gap: 8px; }
.nav-links a {
    color: rgba(255,255,255,.85);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
}
.nav-links a:hover, .nav-links a.active {
    background: rgba(255,255,255,.15);
    color: #fff;
    text-decoration: none;
}
.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}
.nav-user a { color: rgba(255,255,255,.9); }

/* Container */
.container { max-width: 1000px; margin: 0 auto; padding: 24px; }

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1 { font-size: 28px; color: var(--green); }
.page-actions { display: flex; gap: 8px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-decoration: none !important;
    transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--green); color: #fff; }
.btn-secondary { background: #e9ecef; color: var(--text); }
.btn-danger { background: #dc3545; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-weight: 500; font-size: 14px; color: var(--text); }
.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--green-light); box-shadow: 0 0 0 3px rgba(45,106,79,.15); }
textarea.form-control { resize: vertical; }
select.form-control { appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-checkbox label { display: flex; align-items: center; gap: 8px; font-weight: 400; cursor: pointer; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.race-form { max-width: 600px; background: var(--card-bg); padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.add-friend-form { display: flex; gap: 10px; align-items: end; }
.add-friend-form .form-group { flex: 1; margin-bottom: 0; }

/* Filter bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 14px;
}
.filter-bar select { width: auto; min-width: 180px; }

/* Tables */
.races-table-container { overflow-x: auto; }
.races-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.races-table th, .races-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.races-table th { background: var(--green-bg); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--green); }
.races-table tr:hover { background: #f1f3f5; }
.highlight-row { background: var(--green-bg) !important; }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .3px;
    color: #fff;
}
.badge-5k { background: #28a745; }
.badge-10k { background: #007bff; }
.badge-12k { background: #6f42c1; }
.badge-half_marathon { background: #fd7e14; }
.badge-full_marathon { background: #dc3545; }
.badge-ultra { background: #8b0000; }
.badge-relay { background: #5f9ea0; }
.badge-other { background: #6c757d; }

/* Cards */
.race-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--green);
}
.race-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.race-card-header h3 { font-size: 16px; }
.race-card-header h3 a { color: var(--text); }
.race-card-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }

/* Stats */
.stats-overview { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    text-align: center;
    min-width: 120px;
}
.stat-number { font-size: 36px; font-weight: 700; color: var(--green); }
.stat-label { font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }

/* PB Grid */
.pb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.pb-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--orange);
}
.pb-type { margin-bottom: 8px; }
.pb-time { font-size: 24px; font-weight: 700; color: var(--green); font-variant-numeric: tabular-nums; }
.pb-count { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Sections */
.dashboard-section { margin-bottom: 32px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.section-header h2 { font-size: 20px; color: var(--green); }
.section-footer { margin-top: 12px; text-align: center; }
.welcome-section { margin-bottom: 24px; }
.welcome-section h1 { font-size: 28px; color: var(--green); margin-bottom: 6px; }
.welcome-section p { color: var(--text-muted); }

/* Race detail */
.race-detail-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
.race-info { background: var(--card-bg); padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.race-info h2 { margin-bottom: 16px; color: var(--green); }
.race-meta { display: flex; gap: 12px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.race-runner { font-size: 14px; color: var(--text-muted); }
.detail-list { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; }
.detail-list dt { font-weight: 500; color: var(--text-muted); font-size: 14px; }
.detail-list dd { font-size: 14px; }
.finish-time { font-size: 20px; font-weight: 700; color: var(--green); font-variant-numeric: tabular-nums; }
.notes-text { white-space: pre-wrap; background: #f8f9fa; padding: 10px; border-radius: 4px; font-size: 13px; }
.race-map-section { background: var(--card-bg); padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); }
.race-map-section h2 { margin-bottom: 12px; color: var(--green); }

/* Photos */
.race-photos { margin-bottom: 32px; }
.photo-upload-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
    background: var(--card-bg);
    padding: 12px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.photo-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 4/3;
}
.photo-card img { width: 100%; height: 100%; object-fit: cover; }
.photo-delete { position: absolute; top: 6px; right: 6px; }

/* Friends */
.friends-list { display: flex; flex-direction: column; gap: 8px; }
.friend-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 12px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.friend-name { font-weight: 600; }
.friend-email { font-size: 12px; color: var(--text-muted); }

/* Empty state */
.empty-state { text-align: center; padding: 32px; color: var(--text-muted); font-size: 15px; }

/* Footer */
.footer { text-align: center; padding: 20px; color: var(--text-muted); font-size: 13px; margin-top: 40px; }

/* Archive links */
.archive-link { font-size: 12px; color: var(--text-muted); display: inline-block; margin-top: 2px; }
.archive-link:hover { color: var(--green); }

/* Responsive */
@media (max-width: 768px) {
    .nav-bar { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
    .nav-links { gap: 4px; }
    .container { padding: 16px; }
    .form-row { grid-template-columns: 1fr; }
    .race-card-meta { flex-direction: column; gap: 4px; }
    .pb-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .photo-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .add-friend-form { flex-direction: column; }
}