/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222533;
    --bg-card-hover: #2a2e3f;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;
    --green: #34a853;
    --green-dim: rgba(52, 168, 83, 0.15);
    --red: #ea4335;
    --red-dim: rgba(234, 67, 53, 0.15);
    --orange: #fbbc04;
    --orange-dim: rgba(251, 188, 4, 0.15);
    --blue: #4285f4;
    --blue-dim: rgba(66, 133, 244, 0.15);
    --border: #333842;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font);
    transition: all 0.15s ease;
    white-space: nowrap;
}

.event-dropdown-trigger:hover { border-color: var(--text-muted); background: var(--bg-card-hover); }

.event-dropdown-trigger .arrow {
    font-size: 0.65rem;
    transition: transform 0.15s;
    color: var(--text-secondary);
}

.event-dropdown-trigger.open .arrow {
    transform: rotate(180deg);
}

.event-dropdown-trigger .event-desc {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.event-dropdown-container {
    position: relative;
}

.event-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 400px;
    overflow-y: auto;
    z-index: 200;
    display: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.event-dropdown-menu.open { display: block; }

.event-dropdown-add {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid var(--border);
}

.event-dropdown-add:hover { background: var(--bg-card-hover); }

.event-dropdown-add .plus-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--blue-dim);
    color: var(--blue);
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.event-dropdown-add .add-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.event-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.15s;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.event-dropdown-item:last-child { border-bottom: none; }
.event-dropdown-item:hover { background: var(--bg-card-hover); }

.event-dropdown-item .event-info {
    flex: 1;
    min-width: 0;
}

.event-dropdown-item .event-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-dropdown-item .event-id {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.event-dropdown-item .event-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.event-dropdown-item .star-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    transition: transform 0.15s;
    color: var(--text-muted);
}

.event-dropdown-item .star-btn:hover { transform: scale(1.2); }
.event-dropdown-item .star-btn.starred { color: var(--orange); }

.event-dropdown-item .remove-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px;
    opacity: 0.4;
    transition: opacity 0.15s;
    color: var(--text-secondary);
}

.event-dropdown-item .remove-btn:hover { opacity: 1; }

.event-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0;
}

.event-dropdown-label {
    padding: 8px 16px;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    background: rgba(0,0,0,0.15);
}

.event-dropdown-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.event-dropdown-input {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.event-dropdown-input input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: var(--font);
    outline: none;
}

.event-dropdown-input input:focus { border-color: var(--blue); }

.event-dropdown-input button {
    padding: 8px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--blue);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font);
    transition: background 0.15s;
}

.event-dropdown-input button:hover { background: #3367d6; }

.header-title h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-title .event-desc {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-controls .btn-icon {
    width: 32px;
    height: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font);
}

.btn:hover { background: var(--bg-card-hover); }
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
}
.btn-primary:hover { background: #3367d6; }

.btn-sm { padding: 6px 10px; font-size: 0.75rem; }

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator.stale { background: var(--orange); }
.status-indicator.offline { background: var(--red); animation: none; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ===== STATS BAR ===== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border-top: 1px solid var(--border);
}

.stat-item {
    background: var(--bg-secondary);
    padding: 8px 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-value.green { color: var(--green); }
.stat-value.red { color: var(--red); }
.stat-value.orange { color: var(--orange); }
.stat-value.blue { color: var(--blue); }

/* ===== FILTER BAR ===== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.filter-chip:hover { border-color: var(--text-muted); }
.filter-chip.active { background: var(--blue-dim); border-color: var(--blue); color: var(--blue); }

.filter-chip .count {
    background: rgba(255,255,255,0.1);
    padding: 1px 5px;
    border-radius: 8px;
    font-size: 0.6rem;
}

.filter-chip.active .count { background: rgba(66,133,244,0.3); }

/* ===== SEARCH ===== */
.search-wrap {
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.search-input {
    width: 100%;
    padding: 7px 12px 7px 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.15s;
}

.search-input:focus { border-color: var(--blue); }
.search-input::placeholder { color: var(--text-muted); }

.search-container {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* ===== BOAT GRID ===== */
.boat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 16px 80px;
}

/* ===== BOAT CARD ===== */
.boat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.2s ease;
    cursor: default;
}

.boat-card:hover { border-color: var(--text-muted); }

.boat-card.offline { opacity: 0.5; }
.boat-card.warning { border-color: var(--orange); border-width: 2px; }
.boat-card.critical { border-color: var(--red); }

.card-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    gap: 10px;
    background: var(--bg-card);
}

.sticker-number {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.card-info { flex: 1; min-width: 0; }

.card-name {
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-model {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.card-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1px;
}

.card-time {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.card-time.stale { color: var(--orange); }
.card-time.offline { color: var(--red); }

/* ===== CARD METRICS ===== */
.card-metrics {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    border-top: 1px solid var(--border);
}

.metric-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    gap: 4px;
    border-right: 1px solid var(--border);
    min-height: 52px;
    position: relative;
}

.metric-cell:last-child { border-right: none; }

.metric-value {
    font-size: 0.8rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    text-align: center;
}

.metric-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

/* Battery bar - overlay on top of cell */
.battery-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255,255,255,0.08);
    border-radius: 0;
    overflow: hidden;
}

.battery-fill {
    height: 100%;
    border-radius: 0;
    transition: width 0.3s ease;
}

.battery-fill.green { background: var(--green); }
.battery-fill.orange { background: var(--orange); }
.battery-fill.red { background: var(--red); }

/* GPS cell */
.gps-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

.gps-status {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.7rem;
    font-weight: 600;
}

.gps-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.gps-dot.fixed { background: var(--green); }
.gps-dot.dgps { background: var(--blue); }
.gps-dot.estimated { background: var(--orange); }
.gps-dot.dead { background: var(--red); }

.chg-indicator {
    font-size: 0.6rem;
    line-height: 1;
    margin-left: 2px;
}

.chg-indicator.charging { color: var(--green); }
.chg-indicator.discharging { color: var(--orange); }
.chg-indicator.full { color: var(--blue); }

/* ===== EXPANDED CARD ===== */
.card-details {
    display: none;
    border-top: 1px solid var(--border);
    background: rgba(0,0,0,0.15);
}

.card-details.open { display: block; }

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
}

.detail-item {
    background: var(--bg-card);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.detail-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.detail-value {
    font-size: 0.8rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.detail-value.na { color: var(--text-muted); }

/* ===== LOADING ===== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== ERROR STATE ===== */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 12px;
    text-align: center;
}

.error-icon { font-size: 2.5rem; }

.error-title {
    font-size: 1rem;
    font-weight: 700;
}

.error-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 300px;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== DESKTOP LAYOUT ===== */
@media (min-width: 640px) {
    .boat-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
        margin: 0 auto;
    }

    .header-top { padding: 8px 20px; }
    .filter-bar { padding: 5px 20px; }
    .search-wrap { padding: 5px 20px; }
    .boat-grid { padding: 16px 20px 60px; }

    .stat-item { padding: 6px 8px; }
    .stat-value { font-size: 1rem; }
    .stat-label { font-size: 0.55rem; }

    .header-title h1 { font-size: 0.95rem; }
    .header-title .event-desc { font-size: 0.65rem; }
}

@media (min-width: 960px) {
    .boat-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
    }

    .header-top { padding: 6px 28px; }
    .filter-bar { padding: 4px 28px; }
    .search-wrap { padding: 4px 28px; }
    .boat-grid { padding: 16px 28px 50px; }

    .stat-item { padding: 5px 10px; }
    .stat-value { font-size: 0.95rem; }
    .stat-label { font-size: 0.5rem; }

    .header-title h1 { font-size: 0.9rem; }
    .header-title .event-desc { font-size: 0.6rem; }
}

@media (min-width: 1280px) {
    .boat-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1600px;
        padding: 16px 36px 50px;
    }

    .header-top { padding: 6px 36px; }
    .filter-bar { padding: 4px 36px; }
    .search-wrap { padding: 4px 36px; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===== PULL TO REFRESH HINT ===== */
.pull-hint {
    text-align: center;
    padding: 6px;
    font-size: 0.65rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

/* ===== TOGGLE SWITCH ===== */
.toggle-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.toggle {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.toggle.on { background: var(--blue); }

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}

.toggle.on::after { transform: translateX(16px); }