/* ═══════════════════════════════════════════════════════════════
   FABDEM Raster Service — Estilos
   ═══════════════════════════════════════════════════════════════ */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --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;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --sidebar-width: 380px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ─── Top bar ───────────────────────────────────────────────── */
.topbar {
    background: var(--gray-900);
    color: white;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    z-index: 1000;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
}

.topbar-brand i {
    color: #60a5fa;
    font-size: 20px;
}

.topbar-subtitle {
    font-size: 13px;
    color: var(--gray-400);
}

/* ─── Layout ────────────────────────────────────────────────── */
.layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--gray-200);
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
}

.step-badge {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.card-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 14px;
}

.optional {
    font-weight: 400;
    color: var(--gray-400);
    font-size: 12px;
}

.card-info {
    background: var(--gray-50);
    border-color: var(--gray-200);
}

.card-info h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-600);
}

.card-info ul {
    list-style: none;
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-info li::before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    margin-right: 6px;
}

/* ─── Upload zone ───────────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--gray-50);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-icon {
    font-size: 32px;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.upload-zone:hover .upload-icon,
.upload-zone.dragover .upload-icon {
    color: var(--primary);
}

.upload-zone p {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
}

.upload-zone span {
    font-size: 12px;
    color: var(--gray-400);
}

/* ─── Upload status ─────────────────────────────────────────── */
.upload-status {
    margin-top: 10px;
    font-size: 13px;
}

.upload-status .success {
    color: var(--success);
    background: var(--success-light);
    padding: 8px 12px;
    border-radius: 6px;
}

.upload-status .error {
    color: var(--danger);
    background: var(--danger-light);
    padding: 8px 12px;
    border-radius: 6px;
}

/* ─── Bbox info ─────────────────────────────────────────────── */
.bbox-info {
    background: var(--gray-50);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
}

.bbox-info .text-muted {
    color: var(--gray-400);
    font-family: 'Inter', sans-serif;
}

.bbox-info .bbox-values {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 10px;
    color: var(--gray-600);
}

.bbox-info .bbox-label {
    color: var(--gray-400);
    font-family: 'Inter', sans-serif;
    font-size: 11px;
}

.bbox-info .area-text {
    margin-top: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--primary);
    font-weight: 500;
}

/* ─── Form elements ─────────────────────────────────────────── */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    background: white;
    color: var(--gray-700);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    background: white;
    color: var(--gray-700);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

/* ─── Buttons ───────────────────────────────────────────────── */.btn-group {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.btn-group .btn {
    flex: 1;
}
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    background: var(--gray-300);
    color: var(--gray-500);
    cursor: not-allowed;
}

.btn-download i {
    font-size: 16px;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
    box-shadow: var(--shadow-md);
}

.btn-secondary:disabled {
    background: var(--gray-100);
    color: var(--gray-400);
    cursor: not-allowed;
}

/* ─── Fill Algorithm Tooltip ─────────────────────────────────── */
.fill-tooltip {
    margin-top: 8px;
    font-size: 12px;
    color: var(--gray-600);
    line-height: 1.5;
    animation: fadeInTip .25s ease;
}
.fill-tip-content {
    background: var(--gray-100);
    border-left: 3px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 10px 14px;
}
.fill-tip-content strong {
    display: block;
    margin-bottom: 6px;
    font-size: 12.5px;
    color: var(--gray-800);
}
.fill-tip-content strong i {
    color: var(--primary);
    margin-right: 4px;
}
.fill-tip-content ul {
    margin: 0;
    padding-left: 18px;
}
.fill-tip-content li {
    margin-bottom: 3px;
}
.fill-tip-content code {
    background: var(--gray-200);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 11px;
}
@keyframes fadeInTip {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Credits ───────────────────────────────────────────────── */
.credits {
    padding: 14px 18px;
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}

.credits-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.credits-line {
    display: flex;
    flex-direction: column;
    margin-bottom: 4px;
}

.credits-role {
    font-size: 11px;
    color: var(--gray-400);
}

.credits-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
}

/* ─── Download status ───────────────────────────────────────── */
.download-status {
    margin-top: 10px;
    font-size: 13px;
}

/* ─── Map container ─────────────────────────────────────────── */
.map-container {
    flex: 1;
    position: relative;
}

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

/* ─── Loading overlay ───────────────────────────────────────── */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.overlay.active {
    display: flex;
}

.spinner-box {
    background: white;
    border-radius: 12px;
    padding: 32px 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.spinner-box p {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        min-width: 100%;
        max-height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    .topbar-subtitle {
        display: none;
    }
}