/* css/styles.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #070a13;      /* Azul marino muy oscuro profundo - Seguridad y seriedad */
    --bg-secondary: #0f1524;    /* Slate-navy medio - Profesional y estable */
    --bg-tertiary: #182235;     /* Slate-navy claro para elementos elevados */
    --text-primary: #f8fafc;    /* Blanco/Gris frío muy claro - Limpieza y legibilidad */
    --text-secondary: #cbd5e1;  /* Gris slate claro */
    --text-muted: #64748b;       /* Gris slate para textos secundarios */
    
    /* Acentuación que combina seguridad (azul real) con la frescura de Metrolínea (verde/cian) */
    --accent: #2563eb;          /* Azul Real - Inspira seguridad, confianza y autoridad */
    --accent-hover: #3b82f6;    /* Azul brillante para hover */
    --accent-subtle: rgba(37, 99, 235, 0.08);
    --accent-fresh: #10b981;    /* Verde esmeralda - Frescura, renovación y marca Metrolínea */
    
    --border: #1e293b;          /* Bordes slate delgados */
    --border-focus: #3b82f6;    /* Azul de foco */
    
    /* Psicología del color para reportes */
    --error: #ef4444;            /* Rojo coral suave para alta prioridad/peligro */
    --success: #10b981;          /* Verde para baja prioridad/éxito */
    --warning: #f59e0b;          /* Ámbar para prioridad media/advertencia */
    
    --shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 2px 8px -1px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 30px -4px rgba(0, 0, 0, 0.6), 0 4px 12px -2px rgba(0, 0, 0, 0.4);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);
}

/* Modo alto contraste */
body.high-contrast {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #b0b0b0;
    --accent: #ffcc00;
    --accent-hover: #ffe066;
    --accent-subtle: rgba(255, 204, 0, 0.2);
    --border: #ffffff;
    --border-focus: #ffcc00;
    --error: #ff6b6b;
    --success: #50fa7b;
    --focus-ring: 0 0 0 4px #ffcc00;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    max-width: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    max-width: 100%;
    width: 100%;
}

/* ---- WEB COMPONENT: report-form ---- */
report-form {
    display: block;
    width: 100%;
    max-width: 800px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    box-sizing: border-box;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.form-header h1 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Secciones */
fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    margin-bottom: 2rem;
    background: var(--bg-tertiary);
    transition: border var(--transition), box-shadow var(--transition);
}

fieldset:hover {
    border-color: rgba(37, 99, 235, 0.2);
}

legend {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    padding: 0 0.8rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    border-radius: 50px;
    height: 32px;
}

/* Grid de campos */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-grid.col-1 {
    grid-template-columns: 1fr;
}

.form-grid.col-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 600px) {
    .form-grid,
    .form-grid.col-3 {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    report-form {
        padding: 1.25rem 1rem;
        border-radius: var(--radius);
    }
    fieldset {
        padding: 1.2rem 1rem;
        margin-bottom: 1.5rem;
    }
    legend {
        font-size: 0.9rem;
        height: 28px;
        padding: 0 0.6rem;
    }
}

/* Grupos de campo */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.form-group label .required {
    color: var(--error);
    margin-left: 0.2rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition);
    resize: vertical;
    min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: var(--focus-ring);
    background: var(--bg-secondary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    min-height: 100px;
}

.form-group .error-msg {
    font-size: 0.8rem;
    color: var(--error);
    min-height: 1.1em;
    opacity: 0;
    transition: opacity var(--transition);
    font-weight: 500;
}

.form-group.error .error-msg {
    opacity: 1;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.02);
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
}

.checkbox-item:hover {
    background: var(--accent-subtle);
    border-color: var(--accent);
    transform: translateY(-1px);
}


.checkbox-item input[type="checkbox"] {
    margin-top: 0.2rem;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-item label {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Mapa */
.map-container {
    width: 100%;
    height: 380px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    background: var(--bg-primary);
    margin: 0.5rem 0 1rem;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

.map-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 0.95rem;
    text-align: center;
    padding: 1rem;
}

.coord-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}

/* Iconos Vectoriales */
.btn-icon {
    width: 1.15rem;
    height: 1.15rem;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    pointer-events: none;
}

.logo-icon {
    width: 1.65rem;
    height: 1.65rem;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    pointer-events: none;
}

/* Botones */
.btn {
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    user-select: none;
    text-decoration: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #2563eb);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error), #dc2626);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #f87171, #ef4444);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-lg {
    padding: 0.9rem 2.2rem;
    font-size: 1rem;
    border-radius: var(--radius);
}

/* File upload */
.file-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-primary);
}

.file-upload-area:hover,
.file-upload-area.drag-over {
    border-color: var(--accent);
    background: var(--accent-subtle);
    box-shadow: inset 0 0 12px rgba(37, 99, 235, 0.05);
}

.file-upload-area input {
    display: none;
}

.file-upload-area .icon {
    font-size: 2.8rem;
    margin-bottom: 0.6rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.file-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.file-preview img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.file-preview img:hover {
    transform: scale(1.05);
}

/* Barra de herramientas */
.toolbar {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.toggle-contrast {
    font-size: 0.8rem;
    padding: 0.45rem 0.95rem;
    border-radius: 50px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 1rem 1.8rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    z-index: 1000;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: var(--success);
    color: #ffffff;
    background: rgba(16, 185, 129, 0.1);
    backdrop-filter: blur(10px);
}

.toast.error {
    border-color: var(--error);
    color: #ffffff;
    background: rgba(239, 68, 68, 0.1);
    backdrop-filter: blur(10px);
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* Responsive */
@media (max-width: 480px) {
    report-form {
        padding: 1rem;
        border-radius: var(--radius);
    }
    .form-header h1 {
        font-size: 1.45rem;
    }
    .map-container {
        height: 260px;
    }
    .coord-buttons {
        flex-direction: column;
    }
    .coord-buttons button {
        width: 100%;
    }
}

/* Personalización de Leaflet para tema oscuro premium */
.leaflet-bar {
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow) !important;
    border-radius: var(--radius-sm) !important;
    overflow: hidden;
}
.leaflet-bar a {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border) !important;
    transition: background var(--transition) !important;
}
.leaflet-bar a:hover {
    background-color: var(--accent-subtle) !important;
    color: var(--accent) !important;
}
.leaflet-bar a.leaflet-disabled {
    background-color: var(--bg-primary) !important;
    color: var(--text-muted) !important;
}
.leaflet-container {
    background-color: var(--bg-primary) !important;
    font-family: var(--font) !important;
}

/* Filtro para convertir mapa estándar de OpenStreetMap a estilo oscuro premium */
.leaflet-tile {
    filter: invert(100%) hue-rotate(180deg) brightness(85%) contrast(95%);
}
.leaflet-container .leaflet-tile-pane {
    background: var(--bg-primary) !important;
}
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border);
    box-shadow: var(--shadow) !important;
}
.leaflet-popup-close-button {
    color: var(--text-muted) !important;
}