/* ============================================================
   Prava — warm athletic aesthetic
   Font: DM Sans (body) + JetBrains Mono (stats)
   Accent: Strava-orange #FC4C02
   ============================================================ */

:root {
    --accent: #FC4C02;
    --accent-hover: #e04400;
    --bg: #f5f3f0;
    --surface: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
    --border: #e8e5e1;
    --border-light: #f0ede9;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --shadow: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --mono: 'JetBrains Mono', monospace;
    --sans: 'DM Sans', -apple-system, sans-serif;
    --max-w: 640px;
}

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

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}

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

h1, h2, h3 { font-weight: 600; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }

/* ---- Navigation ---- */

.topnav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.92);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}
.logo:hover { color: var(--accent); }
.logo svg { flex-shrink: 0; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.875rem;
}
.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { color: var(--accent); }

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text) !important;
}

.nav-logout { color: var(--text-secondary); }

/* ---- Avatar ---- */

.avatar, .avatar-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #ff7b3a);
    flex-shrink: 0;
    user-select: none;
}
.avatar { width: 36px; height: 36px; font-size: 0.875rem; }
.avatar-sm { width: 28px; height: 28px; font-size: 0.75rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.35rem; }

/* ---- Main Layout ---- */

.main-content {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1.5rem 1.25rem 4rem;
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }

.btn-outline {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-full { width: 100%; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }

/* ---- Feed ---- */

.feed-header { margin-bottom: 1.25rem; }
.feed-header h1 { font-size: 1.35rem; }

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
}
.empty-state svg { margin-bottom: 1rem; opacity: 0.5; }

.card-list { display: flex; flex-direction: column; gap: 1rem; }

/* ---- Activity Card ---- */

.activity-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}
.activity-card:hover { box-shadow: var(--shadow); }

.card-user-row {
    padding: 0.875rem 1rem 0;
    display: flex;
    align-items: center;
}

.card-user-row-compact { padding: 0.75rem 1rem 0; }

.card-user-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.card-user-link:hover { color: var(--text); }

.card-user-info { display: flex; flex-direction: column; }
.card-user-name { font-weight: 600; font-size: 0.875rem; line-height: 1.3; }
.card-time { font-size: 0.775rem; color: var(--text-secondary); line-height: 1.3; }

.card-body-link { display: block; color: var(--text); }
.card-body-link:hover { color: var(--text); }

.card-title {
    padding: 0.5rem 1rem 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.card-map {
    width: 100%;
    height: 200px;
    background: var(--border-light);
    position: relative;
    z-index: 0;
}
.card-map .leaflet-container { background: var(--border-light); }

.card-stats {
    display: flex;
    padding: 0.75rem 1rem;
    gap: 0.25rem;
}

.card-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.375rem 0;
}
.card-stat:not(:last-child) { border-right: 1px solid var(--border-light); }

.card-stat-val {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
}

.card-stat-unit {
    font-size: 0.675rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-top: 1px;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem 0.75rem;
    border-top: 1px solid var(--border-light);
}

/* ---- Like Button ---- */

.like-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--sans);
    font-size: 0.825rem;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    transition: color 0.15s;
}
.like-btn:hover { color: var(--accent); }
.like-btn.liked { color: var(--accent); }
.like-btn svg { vertical-align: middle; }

.comment-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.825rem;
    color: var(--text-secondary);
}
.comment-link:hover { color: var(--accent); }

.load-more { text-align: center; margin: 2rem 0; }

/* ---- Activity Detail ---- */

.detail-page {}

.detail-header { margin-bottom: 1rem; }
.detail-header .card-user-link { margin-bottom: 0.5rem; }
.detail-title { font-size: 1.4rem; margin-top: 0.25rem; }

.detail-map {
    width: 100%;
    height: 360px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
    z-index: 0;
}
.detail-map .leaflet-container { border-radius: var(--radius); }

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.detail-stat {
    background: var(--surface);
    text-align: center;
    padding: 0.875rem 0.5rem;
}

.detail-stat-val {
    display: block;
    font-family: var(--mono);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
}

.detail-stat-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Charts */

.charts-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
@media (min-width: 640px) {
    .charts-section { grid-template-columns: 1fr 1fr 1fr; }
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    height: 180px;
    position: relative;
}

.chart-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.chart-card canvas {
    width: 100% !important;
    height: calc(100% - 24px) !important;
}

/* Splits */

.splits-section { margin-bottom: 1.5rem; }

.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.splits-table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.splits-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.splits-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.splits-table td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid var(--border-light);
}
.splits-table tr:last-child td { border-bottom: none; }

.split-num { font-weight: 600; color: var(--text-secondary); }
.split-pace { font-family: var(--mono); font-weight: 500; }

/* ---- Social / Comments ---- */

.social-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.social-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0.75rem;
}

.comment-count-label {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

.comment {
    display: flex;
    gap: 0.625rem;
    padding: 0.625rem 0;
}
.comment:not(:last-child) {
    border-bottom: 1px solid var(--border-light);
}

.comment-body { flex: 1; min-width: 0; }
.comment-meta { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.15rem; }
.comment-meta strong { font-size: 0.85rem; }
.comment-time { font-size: 0.75rem; color: var(--text-secondary); }
.comment p { font-size: 0.875rem; margin: 0; line-height: 1.45; }

.delete-comment {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.7rem;
    font-family: var(--sans);
    padding: 0.25rem 0;
    opacity: 0;
    transition: opacity 0.15s;
}
@media (max-width: 480px) {
    .delete-comment { opacity: 0.6; }
}
.comment:hover .delete-comment { opacity: 1; }
.delete-comment:hover { color: var(--accent); }

.comment-form {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-light);
}
.comment-form input {
    flex: 1;
    font-family: var(--sans);
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    outline: none;
    background: var(--bg);
    transition: border-color 0.15s;
}
.comment-form input:focus { border-color: var(--accent); }

/* ---- Profile ---- */

.profile-page { margin-bottom: 1.5rem; }

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.profile-info h1 { margin-bottom: 0.1rem; }
.profile-meta { font-size: 0.85rem; color: var(--text-secondary); }

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.profile-stat {
    background: var(--surface);
    text-align: center;
    padding: 1rem 0.5rem;
}

.profile-stat-val {
    display: block;
    font-family: var(--mono);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text);
}

.profile-stat-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ---- Login ---- */

.login-page {
    min-height: calc(100vh - 56px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}
.login-header svg { margin-bottom: 0.75rem; }
.login-header h1 { font-size: 1.4rem; margin-bottom: 0.25rem; }
.login-header p { color: var(--text-secondary); font-size: 0.9rem; }

.login-form .field { margin-bottom: 1rem; }

.alert-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.875rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* ---- Admin ---- */

.admin-page h1 { margin-bottom: 1.25rem; }

.admin-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.admin-card h2 { margin-bottom: 1rem; }

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.users-list {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.user-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
}
.user-row:not(:last-child) { border-bottom: 1px solid var(--border-light); }
.user-row-info { display: flex; flex-direction: column; }
.user-row-info a { font-size: 0.9rem; }
.user-row-meta { font-size: 0.775rem; color: var(--text-secondary); }

/* ---- Forms ---- */

.field { display: flex; flex-direction: column; }
.field label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}
.field input[type="text"],
.field input[type="password"] {
    font-family: var(--sans);
    font-size: 0.9rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    outline: none;
    transition: border-color 0.15s;
}
.field input:focus { border-color: var(--accent); }

.field-check {
    justify-content: flex-end;
    padding-bottom: 0.1rem;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--accent);
}

/* ---- Edit/Review Overlay ---- */

.edit-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.edit-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.edit-modal {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.25rem 1.5rem;
    margin: 1rem;
    animation: slideUp 0.25s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.edit-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}
.edit-close:hover {
    background: var(--bg);
    color: var(--text);
}

.edit-modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* Overlay activity preview */

.overlay-preview {
    margin-bottom: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.overlay-map {
    width: 100%;
    height: 130px;
    background: var(--border-light);
}
.overlay-map .leaflet-container { background: var(--border-light); }

.overlay-stats {
    display: flex;
    padding: 0.4rem 0.5rem;
}

.overlay-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.25rem 0;
}
.overlay-stat:not(:last-child) { border-right: 1px solid var(--border); }

.overlay-stat-val {
    font-family: var(--mono);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
}

.overlay-stat-unit {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-top: 1px;
}

.edit-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.edit-field {
    margin-bottom: 0.75rem;
}

.edit-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.edit-field input[type="text"],
.edit-field textarea,
.edit-field select {
    width: 100%;
    font-family: var(--sans);
    font-size: 0.9rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    outline: none;
    transition: border-color 0.15s;
}

.edit-field input[type="text"]:focus,
.edit-field textarea:focus,
.edit-field select:focus {
    border-color: var(--accent);
}

.edit-field textarea {
    resize: vertical;
    min-height: 60px;
}

.tag-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.tag-check {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.25rem 0.6rem 0.25rem 0.25rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.tag-check:has(input:checked) {
    border-color: var(--accent);
    background: rgba(252, 76, 2, 0.08);
}
.tag-check input[type="checkbox"] {
    display: none;
}

/* ---- Detail page: description, tags, edit button ---- */

.detail-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-title-row .detail-title {
    flex: 1;
}

.edit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.15s, color 0.15s;
}
.edit-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.detail-description {
    font-size: 0.925rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    line-height: 1.5;
}

.tagged-users {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

.tagged-user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.2rem 0.6rem 0.2rem 0.2rem;
    transition: border-color 0.15s;
}
.tagged-user-badge:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.avatar-xs {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.6rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #ff7b3a);
    flex-shrink: 0;
}

/* ---- Responsive ---- */

@media (max-width: 480px) {
    .nav-inner { padding: 0 0.875rem; }
    .main-content { padding: 1rem 0.875rem 3rem; }
    .detail-map { height: 260px; }
    .detail-stats { grid-template-columns: repeat(2, 1fr); }
    .admin-form .form-row { grid-template-columns: 1fr; }
    .card-map { height: 160px; }
    .profile-header { gap: 0.75rem; }

    /* Overlay: near full-width, reduced padding */
    .edit-modal {
        margin: 0.5rem;
        padding: 1rem 1.125rem;
        max-width: none;
        max-height: 95vh;
    }

    /* Stack type + tags vertically on small screens */
    .edit-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Smaller map on short viewports */
    .overlay-map { height: 110px; }

    /* Larger touch targets */
    .edit-close {
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        top: 0.5rem;
        right: 0.5rem;
    }
    .edit-btn {
        width: 40px;
        height: 40px;
    }
    .btn-full {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    /* Prevent stat text overflow */
    .overlay-stat-val { font-size: 0.8rem; }
}