/* ========================================
   FlyerTracker v3 - Stylesheet
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-primary: #0F1117;
    --bg-secondary: #1A1D27;
    --bg-tertiary: #242836;
    --bg-hover: #2E3344;
    --text-primary: #E8EAF0;
    --text-secondary: #9BA1B5;
    --text-muted: #636A80;
    --accent: #4A9EFF;
    --accent-hover: #6BB3FF;
    --accent-dim: rgba(74, 158, 255, 0.12);
    --danger: #E63946;
    --danger-dim: rgba(230, 57, 70, 0.12);
    --success: #2A9D8F;
    --border: #2E3344;
    --border-light: #3A4058;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 8px;
    --radius-lg: 12px;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

/* ===== Map ===== */
#map {
    width: 100%;
    height: 100vh;
    z-index: 1;
}

.leaflet-control-zoom {
    border: none !important;
    box-shadow: var(--shadow) !important;
}

.leaflet-control-zoom a {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
    width: 36px !important;
    height: 36px !important;
    line-height: 36px !important;
    font-size: 18px !important;
}

.leaflet-control-zoom a:hover {
    background: var(--bg-tertiary) !important;
}

.leaflet-tile-pane {
    filter: saturate(0.85) brightness(0.95);
}

/* ===== Top Bar ===== */
.top-bar {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 8px 16px;
    box-shadow: var(--shadow);
    max-width: calc(100vw - 32px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: var(--accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

/* ===== Search ===== */
.search-container {
    position: relative;
    flex: 1;
    min-width: 220px;
}

.search-container input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-container input:focus {
    border-color: var(--accent);
}

.search-container input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 240px;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow);
}

.search-results.visible {
    display: block;
}

.search-result-item {
    padding: 10px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-hover);
}

/* ===== Sidebar (Leaderboard) ===== */
.sidebar-toggle {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
    color: var(--text-primary);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow);
    transition: background 0.15s;
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
}

.sidebar {
    position: fixed;
    top: 0;
    right: -380px;
    width: 380px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 1001;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
}

.sidebar.open {
    right: 0;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sidebar-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.sidebar-close:hover {
    color: var(--text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-rank {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    width: 24px;
    text-align: center;
}

.leaderboard-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
}

.leaderboard-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.leaderboard-score {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
}

.leaderboard-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 4px;
    font-family: var(--font-body);
    font-weight: 400;
}

/* ===== Mark Popup (Bottom Panel) ===== */
.mark-popup {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    min-width: 480px;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    display: none;
    animation: slideUp 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.mark-popup.visible {
    display: block;
}

.mark-popup h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.mark-popup .street-info {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 14px;
    font-family: var(--font-mono);
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 3px;
}

.mode-btn {
    flex: 1;
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}

.mode-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
}

.mode-btn:hover:not(.active) {
    color: var(--text-secondary);
}

/* Marker Hint */
.marker-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--accent-dim);
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--accent);
}

.marker-hint-icon {
    font-size: 16px;
    flex-shrink: 0;
}

/* ===== Form Elements ===== */
.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.form-group label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239BA1B5' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Color Picker */
.color-input {
    width: 44px;
    height: 38px;
    padding: 2px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}

.color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-input::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.color-input::-moz-color-swatch {
    border: none;
    border-radius: 4px;
}

/* ===== Buttons ===== */
.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid transparent;
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 8px 12px;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

/* ===== Leaflet Popups (Dark Theme) ===== */
.info-popup .leaflet-popup-content-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text-primary);
}

.info-popup .leaflet-popup-tip {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.info-popup .leaflet-popup-close-button {
    color: var(--text-muted) !important;
}

.popup-content {
    font-family: var(--font-body);
    padding: 4px 0;
}

.popup-content h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.popup-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.popup-meta .color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.popup-content .btn-danger {
    margin-top: 10px;
    font-size: 12px;
    padding: 6px 12px;
    width: 100%;
    justify-content: center;
}

/* ===== Draggable Marker Pins ===== */
.section-marker {
    background: none !important;
    border: none !important;
}

.marker-pin {
    width: 28px;
    height: 28px;
    border-radius: 50% 50% 50% 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    transform: rotate(-45deg);
    cursor: grab;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    position: relative;
    top: -6px;
}

.marker-pin > * {
    transform: rotate(45deg);
}

.marker-pin.start {
    background: #2A9D8F;
}

.marker-pin.end {
    background: #E63946;
}

.leaflet-dragging .marker-pin {
    cursor: grabbing;
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 36px;
    text-align: center;
    box-shadow: var(--shadow);
    display: none;
}

.loading-overlay.visible {
    display: block;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

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

.loading-text {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 13px;
    box-shadow: var(--shadow);
    animation: toastIn 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 320px;
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .top-bar {
        top: 8px;
        left: 8px;
        right: 8px;
        transform: none;
        max-width: none;
    }

    .logo span {
        display: none;
    }

    .sidebar {
        width: 100%;
        right: -100%;
    }

    .mark-popup {
        min-width: auto;
        left: 8px;
        right: 8px;
        transform: none;
        bottom: 8px;
    }

    .form-row {
        flex-direction: column;
    }
}