/* ===== Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --green: #22c55e;
    --yellow: #eab308;
    --orange: #f97316;
    --red: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
    overflow: hidden;
}

/* ===== Layout ===== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    width: 380px;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}

/* ===== Logo ===== */
.logo {
    padding: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.logo p {
    font-size: 14px;
    opacity: 0.9;
}

/* ===== Controls ===== */
.controls {
    padding: 24px;
    flex: 1;
}

.control-group {
    margin-bottom: 24px;
}

.control-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.help-text {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 10px;
    font-style: italic;
}

/* Cursor para selección en el mapa */
.map-clickable {
    cursor: crosshair !important;
}

/* Marcador de debug */
.debug-start-marker {
    z-index: 1000 !important;
}

/* Tooltip de ayuda en el mapa */
.map-help-tooltip {
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--gray-700);
    box-shadow: var(--shadow);
    margin-bottom: 10px;
    margin-right: 10px;
    pointer-events: none;
    animation: fadeIn 0.3s ease-out;
}

/* Panel de capas */
.layers-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 280px;
    max-height: 400px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.layers-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.layers-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.layers-list {
    overflow-y: auto;
    padding: 12px;
    max-height: 320px;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: 4px;
}

.layer-item:hover {
    background: var(--gray-50);
}

.layer-item.hidden {
    opacity: 0.5;
}

.layer-item.hidden .layer-color {
    background: var(--gray-300) !important;
}

.layer-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.layer-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid white;
    box-shadow: 0 0 0 1px var(--gray-300);
    flex-shrink: 0;
}

.layer-info {
    flex: 1;
}

.layer-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-800);
}

.layer-subtitle {
    font-size: 11px;
    color: var(--gray-500);
}

.layer-item.hidden .layer-label,
.layer-item.hidden .layer-subtitle {
    text-decoration: line-through;
    color: var(--gray-400);
}

/* Secciones del panel de capas */
.layers-section-header {
    padding: 12px 8px 8px;
    margin-top: 8px;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.layers-section-header:first-child {
    margin-top: 0;
    border-top: none;
}

.layers-section-header.secondary {
    color: var(--gray-500);
}

.layer-item.outline {
    opacity: 0.9;
    background: #f9fafb;
    border-left: 3px dashed #9ca3af;
}

.layer-item.outline .layer-color {
    background: repeating-linear-gradient(
        45deg,
        currentColor,
        currentColor 2px,
        transparent 2px,
        transparent 4px
    ) !important;
}

.layer-item.outline .layer-label {
    font-style: italic;
}

/* Input de dirección */
.input-with-button {
    display: flex;
    gap: 8px;
}

.input-with-button input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s;
}

.input-with-button input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
}

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

.btn-icon:active {
    transform: scale(0.95);
}

/* Resultados de geocodificación */
.results-list {
    margin-top: 8px;
    border-radius: var(--radius);
    overflow: hidden;
}

.result-item {
    padding: 12px 16px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-top: none;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}

.result-item:first-child {
    border-top: 1px solid var(--gray-200);
    border-radius: var(--radius) var(--radius) 0 0;
}

.result-item:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.result-item:hover {
    background: var(--gray-100);
}

.result-item.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Modos de visualización */
.view-modes {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.view-mode-btn {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.view-mode-btn span:first-child {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.view-mode-btn small {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}

.view-mode-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.view-mode-btn.active {
    border-color: var(--primary);
    background: rgb(37 99 235 / 0.08);
}

.view-mode-btn.active span:first-child {
    color: var(--primary);
}

/* Transport options */
.transport-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.transport-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 10px;
    border: 2px solid var(--gray-200);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.transport-btn .icon {
    font-size: 22px;
}

.transport-btn span:last-child {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
}

.transport-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.transport-btn.active {
    border-color: var(--primary);
    background: rgb(37 99 235 / 0.08);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.15);
}

.transport-btn.active span:last-child {
    color: var(--primary);
    font-weight: 600;
}

/* Time options */
.time-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.time-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.badge {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}

.badge.green { background: var(--green); }
.badge.yellow { background: var(--yellow); }
.badge.orange { background: var(--orange); }
.badge.red { background: var(--red); }

.time-btn:hover {
    border-color: var(--gray-300);
}

.time-btn.active {
    border-color: var(--primary);
    background: rgb(37 99 235 / 0.08);
}

/* Custom time input */
.custom-time-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.custom-time-row input {
    width: 60px;
    padding: 8px 0px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
}

/* Slider único: mejorar apariencia */
#time-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary) 50%, #e5e7eb 50%);
    outline: none;
    transition: box-shadow 0.15s ease, background 0.15s ease;
}

#time-slider:focus {
    box-shadow: 0 0 0 6px rgb(37 99 235 / 12%);
}

/* Track (for Firefox) */
#time-slider::-moz-range-track {
    height: 14px;
    border-radius: 999px;
    background: transparent;
}

/* Thumb */
#time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--primary);
    box-shadow: 0 2px 6px rgba(16,24,40,0.2);
    margin-top: 0px; /* center thumb on track */
}

#time-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--primary);
    box-shadow: 0 2px 6px rgba(16,24,40,0.2);
}

#time-slider-value {
    font-weight: 700;
    color: var(--gray-800);
    min-width: 36px;
    text-align: right;
}

.custom-time-row span {
    font-size: 13px;
    color: var(--gray-600);
}

.btn-small {
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.custom-times-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.custom-time-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    font-size: 12px;
    color: var(--gray-700);
}

.custom-time-chip .remove {
    cursor: pointer;
    color: var(--gray-500);
    font-weight: bold;
}

.custom-time-chip .remove:hover {
    color: var(--red);
}

/* Checkboxes */
.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 10px;
    font-size: 14px !important;
    font-weight: 400 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Botones de acción */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

/* Botón primario */
.btn-primary {
    width: 100%;
    padding: 16px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
}

/* Botón secundario */
.btn-secondary {
    width: 100%;
    padding: 14px 24px;
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-secondary:active {
    background: var(--gray-100);
}

/* Mensaje de bloqueo */
.block-message {
    margin-top: 16px;
    padding: 12px 16px;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: var(--radius);
    font-size: 13px;
    color: #92400e;
    text-align: center;
}

/* Mapa bloqueado - solo cambia el cursor */
.map-locked {
    cursor: not-allowed !important;
}

/* Status */
.status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    display: none;
}

.status.success {
    display: block;
    background: rgb(34 197 94 / 0.1);
    color: #166534;
    border: 1px solid rgb(34 197 94 / 0.3);
}

.status.error {
    display: block;
    background: rgb(239 68 68 / 0.1);
    color: #991b1b;
    border: 1px solid rgb(239 68 68 / 0.3);
}

/* ===== Legend ===== */
.legend {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.legend h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.legend-help {
    font-size: 11px;
    color: var(--gray-500);
    margin-bottom: 16px;
    text-align: center;
    font-weight: 500;
}

/* Leyenda por modo de transporte */
.legend-mode {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.legend-mode:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.legend-mode-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.legend-mode small {
    display: block;
    font-size: 11px;
    color: var(--gray-500);
    line-height: 1.4;
}

.legend-gradient {
    flex: 1;
    height: 12px;
    border-radius: 6px;
    margin-left: 8px;
    border: 1px solid rgba(0,0,0,0.1);
}

/* Gradientes para cada modo (MUY claro a MUY intenso) */
.legend-gradient.walking {
    background: linear-gradient(to right, 
        hsl(145, 20%, 95%),   /* 5 min - casi blanco */
        hsl(145, 50%, 75%),   /* 15 min */
        hsl(145, 70%, 55%),   /* 30 min */
        hsl(145, 85%, 35%));  /* 60+ min - muy verde */
}

.legend-gradient.bike {
    background: linear-gradient(to right, 
        hsl(210, 25%, 95%),   /* 5 min */
        hsl(210, 55%, 80%),   /* 15 min */
        hsl(210, 75%, 60%),   /* 30 min */
        hsl(210, 90%, 40%));  /* 60+ min - muy azul */
}

.legend-gradient.car {
    background: linear-gradient(to right, 
        hsl(15, 30%, 95%),    /* 5 min */
        hsl(15, 60%, 80%),    /* 15 min */
        hsl(15, 80%, 60%),    /* 30 min */
        hsl(15, 95%, 40%));   /* 60+ min - muy naranja/rojo */
}

.legend-gradient.transport {
    background: linear-gradient(to right, 
        hsl(270, 25%, 95%),   /* 5 min */
        hsl(270, 50%, 80%),   /* 15 min */
        hsl(270, 70%, 60%),   /* 30 min */
        hsl(270, 85%, 40%));  /* 60+ min - muy violeta */
}

/* Items de leyenda antiguos (por si acaso) */
.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 8px;
}

.color-box {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.color-box.green { background: var(--green); }
.color-box.yellow { background: var(--yellow); }
.color-box.orange { background: var(--orange); }
.color-box.red { background: var(--red); }

/* ===== Footer ===== */
.footer-info {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-500);
    text-align: center;
}

.demo-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 12px;
    background: var(--yellow);
    color: #854d0e;
    border-radius: 20px;
    font-weight: 600;
    font-size: 11px;
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    margin-top: 16px;
    color: var(--gray-600);
    font-size: 14px;
}

/* ===== Leaflet Customizations ===== */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-content {
    margin: 12px 16px;
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .map-container {
        height: 50vh;
    }
    
    .transport-options {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .transport-btn span:last-child {
        display: none;
    }
    
    .time-options {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .time-btn {
        padding: 12px;
        justify-content: center;
    }
    
    .time-btn .badge {
        margin: 0;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-item {
    animation: fadeIn 0.2s ease-out;
}