/* Crossing Paths — minimal CSS */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #f8f9fa;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
}

.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: #1a1a1a;
    text-decoration: none;
}

.nav-right {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.9rem;
}

.nav-right a { color: #555; text-decoration: none; }
.nav-right a:hover { color: #1a1a1a; }

/* Typography */
h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.3rem; margin: 1.5rem 0 0.75rem; }
.subtitle { color: #666; font-size: 1.1rem; margin-bottom: 1.5rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    background: #2d2d2d;
}

.btn:hover { background: #444; }

.btn-strava {
    background: #fc4c02;
    font-size: 1.1rem;
    padding: 0.75rem 2rem;
}

.btn-strava:hover { background: #e04400; }
.btn-danger { background: #dc3545; }
.btn-danger:hover { background: #c82333; }

/* Landing page */
.hero {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e5e5e5;
}

.hero ul { padding-left: 1.5rem; margin: 0.75rem 0; }
.hero li { margin-bottom: 0.5rem; }

.cta { text-align: center; margin: 2rem 0; }
.note { color: #888; font-size: 0.85rem; margin-top: 0.75rem; }
.error { color: #dc3545; font-weight: 600; margin-bottom: 1rem; }

.how-it-works {
    background: #fff;
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #e5e5e5;
}

.how-it-works ol { padding-left: 1.5rem; }
.how-it-works li { margin-bottom: 0.5rem; }

/* Crossing cards */
.crossings-list { display: flex; flex-direction: column; gap: 0.75rem; }

.crossing-card {
    background: #fff;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    border: 1px solid #e5e5e5;
    border-left: 4px solid #ccc;
}

.crossing-card.crossed_paths { border-left-color: #28a745; }
.crossing-card.shared_route { border-left-color: #007bff; }

.crossing-header { font-size: 1.05rem; margin-bottom: 0.25rem; }
.team { color: #888; font-size: 0.85rem; margin-left: 0.5rem; }

.crossing-details { font-size: 0.9rem; color: #555; }
.crossing-date { font-size: 0.8rem; color: #999; margin-top: 0.25rem; }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-high { background: #d4edda; color: #155724; }
.badge-medium { background: #cce5ff; color: #004085; }

/* Activities list */
.activities-list { display: flex; flex-direction: column; gap: 0.5rem; }

.activity-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
}

.activity-name { flex: 1; }
.activity-date { color: #888; }
.activity-dist { color: #555; min-width: 60px; text-align: right; }
.activity-status { font-size: 0.8rem; color: #999; min-width: 70px; text-align: right; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-group input[type="email"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

/* Alerts */
.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.alert-success { background: #d4edda; color: #155724; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #888;
}

.empty-state p:first-child { font-size: 1.1rem; color: #555; }

/* Misc */
hr { border: none; border-top: 1px solid #e5e5e5; margin: 2rem 0; }
.danger-zone { color: #666; }
.danger-zone h2 { color: #dc3545; }