:root {
    /* Centralized theme tokens keep the fishing UI colors and shadows consistent. */
    --ink: #0d1b2a;
    --deep: #0a2540;
    --water: #1a4a6e;
    --wave: #2171b5;
    --foam: #56b6e9;
    --silver: #a8d5f0;
    --ice: #e8f4fd;
    --gold: #f4c430;
    --gold-light: #fde98a;
    --surface: #f0f7ff;
    --white: #ffffff;
    --muted: #6b8fa8;
    --danger: #d94f3d;
    --success: #2ecc7a;
    --r: 12px;
    --shadow: 0 4px 24px rgba(10,37,64,0.13);
    --shadow-sm: 0 2px 8px rgba(10,37,64,0.08);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: 'DM Sans', sans-serif;
    background: var(--ink);
    color: var(--ink);
    min-height: 100vh;
    overflow-x: hidden;
}
body::before {
    /* Fixed layered gradients create the lake-like backdrop behind all cards. */
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(33,113,181,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(26,74,110,0.2) 0%, transparent 50%),
        linear-gradient(180deg, #0d1b2a 0%, #0a2540 50%, #0d1b2a 100%);
    z-index: -2;
}
.site-header {
    background: rgba(10,37,64,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(86,182,233,0.15);
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}
.logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--white);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.logo span { color: var(--foam); }
.logo-icon { font-size: 1.4rem; }
.header-user { display:flex; align-items:center; gap:10px; font-size:0.82rem; color:var(--silver); }
.btn-logout {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--silver);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}
.bottom-nav {
    /* Keep the primary navigation pinned to the bottom like a mobile app tab bar. */
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10,37,64,0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(86,182,233,0.12);
    display: flex;
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom);
}
.nav-item {
    flex: 1;
    display:flex;
    flex-direction:column;
    align-items:center;
    padding:10px 4px 8px;
    text-decoration:none;
    color: var(--muted);
    font-size: 0.65rem;
    font-weight:500;
    gap:3px;
}
.nav-item.active, .nav-item:hover { color: var(--foam); }
.nav-icon { font-size:1.25rem; }
.main {
    /* Reserve enough bottom padding so cards do not sit underneath the fixed nav. */
    padding: 20px 16px 94px;
    max-width: 520px;
    margin: 0 auto;
    min-height: calc(100vh - 56px);
}
.card {
    background: rgba(255,255,255,0.96);
    border-radius: var(--r);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 16px;
}
.card-header {
    background: var(--deep);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-header h2 { font-family:'Syne', sans-serif; font-weight:700; font-size:1rem; color:var(--white); }
.card-body { padding: 18px; }
.form-group { margin-bottom: 14px; }
.form-label {
    display:block;
    font-size:0.78rem;
    font-weight:500;
    color:var(--muted);
    margin-bottom:5px;
    text-transform:uppercase;
    letter-spacing:0.5px;
}
.form-control, textarea.form-control {
    width:100%;
    padding:11px 14px;
    border:1.5px solid #d5e8f5;
    border-radius:8px;
    font-size:0.95rem;
    font-family:'DM Sans', sans-serif;
    color:var(--ink);
    background:var(--white);
    transition:border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance:none;
    appearance:none;
}
.form-control:focus, textarea.form-control:focus {
    outline:none;
    border-color:var(--wave);
    box-shadow:0 0 0 3px rgba(33,113,181,0.12);
}
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.form-row-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    padding:12px 18px;
    border-radius:8px;
    font-family:'Syne', sans-serif;
    font-weight:700;
    font-size:0.9rem;
    cursor:pointer;
    border:none;
    text-decoration:none;
}
.btn-primary { background:var(--wave); color:var(--white); width:100%; }
.btn-secondary { background:#edf4fb; color:var(--water); }
.btn-gold { background:var(--gold); color:var(--ink); width:100%; }
.btn-edit-sm, .btn-danger-sm {
    background:none;
    padding:4px 10px;
    border-radius:6px;
    font-size:0.72rem;
    cursor:pointer;
    font-family:'DM Sans', sans-serif;
}
.btn-edit-sm { border:1px solid #c8e0f5; color:var(--wave); }
.btn-danger-sm { border:1px solid #fccfc9; color:var(--danger); }
.alert {
    padding:12px 16px;
    border-radius:8px;
    font-size:0.88rem;
    margin-bottom:16px;
    display:flex;
    align-items:center;
    gap:8px;
}
.alert-error { background:#fff5f4; color:var(--danger); border:1px solid #fccfc9; }
.alert-success { background:#f0fff8; color:#1a8a52; border:1px solid #b3f0d4; }
.page-title { font-family:'Syne', sans-serif; font-weight:800; font-size:1.5rem; color:var(--white); margin-bottom:4px; }
.page-subtitle { font-size:0.88rem; color:var(--silver); margin-bottom:16px; }
.stats-row {
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:10px;
    margin-bottom:16px;
}
.stat-chip {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(86,182,233,0.15);
    border-radius: 10px;
    padding: 12px 10px;
    text-align:center;
}
.stat-chip-val { font-family:'Syne', sans-serif; font-weight:800; font-size:1.2rem; color:var(--foam); line-height:1; }
.stat-chip-label { font-size:0.65rem; color:var(--silver); margin-top:4px; text-transform:uppercase; }
.comp-card-link { color: inherit; text-decoration:none; display:block; }
.comp-header { display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.comp-name { font-family:'Syne', sans-serif; font-weight:700; font-size:1.05rem; color:var(--ink); line-height:1.25; overflow-wrap:anywhere; }
.comp-meta, .rule-list, .member-list { list-style:none; }
.comp-meta { margin-top:10px; display:grid; gap:6px; color:var(--muted); font-size:0.85rem; }
.badge {
    display:inline-flex; align-items:center; gap:4px;
    padding:4px 9px; border-radius:20px; background:var(--ice); color:var(--water); font-size:0.76rem; font-weight:600;
}
.inline-form-row { display:flex; gap:10px; align-items:stretch; }
.inline-form-row .form-control { flex:1; }
.empty-state {
    background: rgba(255,255,255,0.08);
    border:1px dashed rgba(168,213,240,0.25);
    color:var(--silver);
    border-radius:12px;
    padding:30px 18px;
    text-align:center;
}
.empty-icon { font-size:2rem; display:block; margin-bottom:10px; }
.tab-bar {
    display:flex;
    margin-bottom:12px;
    background:rgba(255,255,255,0.08);
    border-radius:10px;
    padding:4px;
}
.tab-btn {
    flex:1; text-align:center; padding:10px 8px; border-radius:8px; color:var(--silver); font-size:0.84rem; cursor:pointer;
}
.tab-btn.active { background:rgba(255,255,255,0.12); color:var(--white); }
.catch-item {
    display:flex; align-items:center; padding:12px 0; border-bottom:1px solid #edf4fb; gap:12px;
}
.catch-item:last-child { border-bottom:none; }
.catch-emoji { font-size:1.6rem; flex-shrink:0; width:36px; text-align:center; }
.catch-info { flex:1; min-width:0; }
.catch-species { font-family:'Syne', sans-serif; font-weight:700; font-size:0.95rem; color:var(--ink); }
.catch-meta { font-size:0.76rem; color:var(--muted); margin-top:2px; display:flex; flex-wrap:wrap; gap:6px; }
.catch-meta-pill { background:var(--ice); padding:2px 7px; border-radius:20px; font-size:0.72rem; color:var(--water); font-weight:500; }
.catch-date-badge { font-size:0.7rem; color:var(--muted); text-align:right; flex-shrink:0; display:flex; flex-direction:column; align-items:flex-end; gap:4px; }
.day-block { margin-bottom:8px; }
.day-label { font-family:'Syne', sans-serif; font-weight:700; font-size:0.78rem; color:var(--water); text-transform:uppercase; letter-spacing:1px; padding:6px 18px; background:#edf6ff; border-left:3px solid var(--wave); }
.summary-row {
    display:grid;
    grid-template-columns: 26px fit-content(88px) 46px 58px minmax(0, 1fr) 88px;
    align-items:center;
    padding:8px 18px;
    gap:8px;
    border-bottom:1px solid #f0f7ff;
}
.summary-row:last-child { border-bottom:none; }
.summary-emoji { text-align:center; }
.summary-species { font-weight:500; font-size:0.88rem; color:var(--ink); min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.summary-points {
    display:inline-flex;
    justify-content:center;
    background: var(--wave); color:white; font-family:'Syne', sans-serif; font-weight:700; font-size:0.75rem; padding:2px 9px; border-radius:20px; width:100%; min-width:0; text-align:center;
    font-variant-numeric: tabular-nums;
    justify-self:start;
}
.summary-count {
    font-size:0.78rem;
    color:var(--muted);
    text-align:left;
    white-space:nowrap;
    font-variant-numeric: tabular-nums;
}
.summary-points { background: var(--gold); color: var(--ink); }
.summary-length, .summary-weight { font-size:0.78rem; color:var(--muted); text-align:right; white-space:nowrap; }
.summary-empty { opacity:0.45; }

@media (max-width: 560px) {
    .summary-row {
        grid-template-columns: 22px fit-content(80px) 44px 58px minmax(0, 1fr) 72px;
        gap:6px;
        padding:8px 12px;
    }
}
.user-block { background: rgba(255,255,255,0.96); border-radius: var(--r); overflow: hidden; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.user-block-header { background: var(--deep); padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap:10px; }
.user-block-name { font-family:'Syne', sans-serif; font-weight:700; color:var(--white); font-size:0.95rem; }
.user-block-total { font-size:0.78rem; color:var(--silver); text-align:right; }
.leader-row { display:grid; grid-template-columns:40px minmax(0, 1fr) 76px; gap:10px; align-items:center; padding:12px 18px; border-bottom:1px solid #edf4fb; }
.leader-row:last-child { border-bottom:none; }
.leader-rank { width:32px; height:32px; border-radius:50%; background:var(--ice); color:var(--water); display:flex; align-items:center; justify-content:center; font-weight:700; }
.leader-main { min-width:0; }
.leader-name { font-weight:700; color:var(--ink); }
.leader-meta { font-size:0.76rem; color:var(--muted); margin-top:3px; }
.leader-points { text-align:right; font-variant-numeric: tabular-nums; }
.leader-points strong { font-family:'Syne', sans-serif; font-size:1rem; color:var(--water); }
.species-section-title { font-size:0.78rem; color:var(--muted); margin-bottom:8px; text-transform:uppercase; letter-spacing:0.5px; }
.species-grid { display:flex; flex-wrap:wrap; gap:8px; }
.species-btn {
    border:1px solid #d5e8f5; background:var(--white); color:var(--ink);
    border-radius:22px; padding:9px 12px; font-size:0.84rem; cursor:pointer;
}
.species-btn.selected { background:var(--wave); border-color:var(--wave); color:var(--white); }
.species-extra { display:none; margin-top:10px; }
.species-extra.open { display:block; }
.species-extra-toggle { border:none; background:none; color:var(--wave); font-weight:700; margin:10px 0; cursor:pointer; padding:0; }
.species-helper { color:var(--muted); font-size:0.8rem; margin:12px 0 8px; }
.comp-summary {
    background: rgba(255,255,255,0.08);
    border:1px solid rgba(86,182,233,0.12);
    border-radius:12px;
    padding:14px;
    margin-bottom:16px;
    color:var(--white);
}
.comp-summary h3 { font-family:'Syne', sans-serif; margin-bottom:8px; line-height:1.25; overflow-wrap:anywhere; }
.comp-summary-grid { display:grid; gap:8px; color:var(--silver); font-size:0.84rem; }
.member-list li, .rule-list li { padding:8px 0; border-bottom:1px solid #edf4fb; }
.member-list li:last-child, .rule-list li:last-child { border-bottom:none; }
@media (max-width: 420px) {
    /* Collapse dense multi-column form/stat layouts on narrow phones. */
    .form-row, .form-row-3, .stats-row { grid-template-columns:1fr; }
    .inline-form-row { flex-direction:column; }
}