@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --bg: #0b0f19;
    --bg-card: rgba(255, 255, 255, 0.03); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    --bg-input: rgba(19, 26, 42, 0.6);
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: #3b82f6;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-hint: #64748b;
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #2563eb);
    --green: #27ae60;
    --green-bg: rgba(39,174,96,0.12);
    --red: #e74c3c;
    --red-bg: rgba(231,76,60,0.12);
    --blue: #3b82f6;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 10px 20px rgba(0,0,0,0.2), 0 0 15px rgba(59, 130, 246, 0.2);
    --shadow-drop: 0 8px 40px rgba(0,0,0,0.4);
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* =============================
   SHELL
   ============================= */
.alta-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

/* =============================
   HEADER
   ============================= */
.alta-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.alta-logo {
    font-size: 22px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.3px;
}

.alta-header-divider {
    width: 1px;
    height: 22px;
    background: var(--border);
}

.alta-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.2px;
}

.alta-header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.alta-header-link {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
}

.alta-header-link:hover {
    color: var(--accent);
}

.alta-header-link--btn {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    padding: 0;
}

/* =============================
   MAIN LAYOUT
   ============================= */
.alta-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
}

@media (max-width: 900px) {
    .alta-main {
        grid-template-columns: 1fr;
    }
}

/* =============================
   CARDS
   ============================= */
.alta-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
}

.alta-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.alta-card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: -10px 0 18px;
}

/* =============================
   OPCIONES AVANZADAS (parámetros de conversión)
   ============================= */
.alta-details-advanced {
    padding: 0;
    overflow: hidden;
}

.alta-details-advanced-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    list-style: none;
    cursor: pointer;
    padding: 20px 28px;
    margin: 0;
    transition: background var(--transition);
}

.alta-details-advanced-summary::-webkit-details-marker,
.alta-details-advanced-summary::marker {
    display: none;
}

.alta-details-advanced-summary:hover {
    background: rgba(255, 255, 255, 0.03);
}

.alta-details-advanced-summary:focus {
    outline: none;
}

.alta-details-advanced-summary:focus-visible {
    box-shadow: inset 0 0 0 2px rgba(59, 130, 246, 0.35);
    border-radius: var(--radius-sm);
}

.alta-details-advanced-summary-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    text-align: left;
}

.alta-details-advanced-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.35px;
    text-transform: uppercase;
}

.alta-details-advanced-desc {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.4;
}

.alta-details-advanced-chevron {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(-45deg);
    transition: transform var(--transition);
    opacity: 0.85;
}

.alta-details-advanced[open] .alta-details-advanced-chevron {
    transform: rotate(45deg);
}

.alta-details-advanced-body {
    padding: 0 28px 24px;
    border-top: 1px solid var(--border);
}

.alta-details-advanced-intro {
    margin: 16px 0 18px;
}

/* =============================
   FORM INPUTS
   ============================= */
.alta-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    margin-top: 14px;
}

.alta-label:first-of-type { margin-top: 0; }

.alta-optional {
    font-weight: 400;
    text-transform: none;
    color: var(--text-hint);
    font-size: 11px;
}

.alta-unit {
    font-weight: 400;
    text-transform: none;
    color: var(--text-hint);
}

.alta-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.alta-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235,0.15);
}

.alta-input::placeholder { color: var(--text-hint); }

.alta-textarea {
    resize: vertical;
    min-height: 52px;
}

.alta-input-sm {
    padding: 8px 12px;
    font-size: 13px;
}

select.alta-input {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238888a8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

select.alta-input option { background: var(--bg-input); }

/* =============================
   PARAMS GRID
   ============================= */
.alta-params-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .alta-params-grid { grid-template-columns: 1fr; }
}

.alta-param { display: flex; flex-direction: column; }
.alta-param .alta-label { margin-top: 0; margin-bottom: 4px; }

.alta-hint {
    font-size: 11px;
    color: var(--text-hint);
    line-height: 1.4;
    margin-top: 4px;
}

/* =============================
   SUBIDA DE ARCHIVOS (fila a fila, alineado)
   ============================= */
.alta-files-upload-stack {
    display: flex;
    flex-direction: column;
    gap: 28px;
    width: 100%;
}

.alta-files-upload-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    min-width: 0;
}

.alta-files-upload-subtitle {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    padding: 0;
}

.alta-datos-foto-row {
    margin-top: 16px;
    margin-bottom: 18px;
}

.alta-photo-upload-wrap {
    position: relative;
    width: 100%;
}

.alta-foto-input-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.alta-files-upload-row .alta-drop-zone {
    padding: 32px 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Foto: mismo patrón visual que KML/KMZ */
.alta-drop-zone--photo {
    min-height: 160px;
}

.alta-drop-zone--photo .alta-drop-zone-photo-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: inherit;
}

.alta-drop-zone--photo:not(.has-image) .alta-drop-zone-photo-preview {
    display: none;
}

.alta-drop-zone--photo.has-image {
    border-color: var(--green);
    background: var(--green-bg);
    padding: 0;
    overflow: hidden;
}

.alta-drop-zone--photo.has-image:hover,
.alta-drop-zone--photo.has-image.drag-over {
    border-color: var(--green);
    background: var(--green-bg);
}

.alta-drop-zone--photo:not(.has-image) .alta-drop-zone-photo-overlay {
    display: none;
}

.alta-drop-zone-photo-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    color: #f8fafc;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.alta-drop-zone--photo.has-image:hover .alta-drop-zone-photo-overlay,
.alta-drop-zone--photo.has-image:focus-visible .alta-drop-zone-photo-overlay {
    opacity: 1;
}

/* =============================
   DROP ZONE
   ============================= */
.alta-drop-zone {
    border: 2px dashed rgba(59, 130, 246,0.25);
    border-radius: var(--radius);
    padding: 44px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    position: relative;
}

.alta-drop-zone:hover,
.alta-drop-zone.drag-over {
    border-color: var(--accent);
    background: rgba(59, 130, 246,0.04);
}

.alta-drop-zone.drag-over {
    transform: scale(1.01);
    box-shadow: inset 0 0 30px rgba(59, 130, 246,0.06);
}

.alta-drop-icon {
    color: var(--accent-dark);
    margin-bottom: 12px;
    opacity: 0.7;
    transition: opacity var(--transition), transform var(--transition);
}

.alta-drop-zone:hover .alta-drop-icon,
.alta-drop-zone.drag-over .alta-drop-icon {
    opacity: 1;
    transform: translateY(-2px);
}

.alta-drop-text {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 4px;
}

.alta-drop-subtext {
    font-size: 13px;
    color: var(--text-hint);
}

.alta-drop-zone.has-file {
    border-color: var(--green);
    background: var(--green-bg);
}

/* =============================
   FILE INFO
   ============================= */
.alta-file-info {
    margin-top: 16px;
}

.alta-file-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(59, 130, 246,0.06);
    border: 1px solid rgba(59, 130, 246,0.15);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
}

.alta-file-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 34px;
    border-radius: 6px;
    background: var(--accent-gradient);
    color: #1e1e2e;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.alta-file-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.alta-file-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.alta-file-size {
    font-size: 11px;
    color: var(--text-hint);
}

.alta-file-remove {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(231,76,60,0.3);
    background: rgba(231,76,60,0.1);
    color: #f0a8a0;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), border-color var(--transition);
    flex-shrink: 0;
}

.alta-file-remove:hover {
    background: rgba(231,76,60,0.25);
    border-color: rgba(231,76,60,0.5);
}

/* =============================
   PREVIEW STATS
   ============================= */
.alta-preview-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.alta-stat {
    flex: 1;
    min-width: 80px;
    text-align: center;
    padding: 12px 8px;
    background: rgba(59, 130, 246,0.04);
    border: 1px solid rgba(59, 130, 246,0.1);
    border-radius: var(--radius-sm);
}

.alta-stat-value {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.alta-stat-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* =============================
   PROGRESS
   ============================= */
.alta-card-progress { padding: 20px 24px; }

.alta-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.alta-progress-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.alta-progress-pct {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.alta-progress-bar-track {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}

.alta-progress-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.4s cubic-bezier(.4,0,.2,1);
}

.alta-progress-log {
    list-style: none;
    margin-top: 14px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
    max-height: 180px;
    overflow-y: auto;
}

.alta-progress-log li {
    padding: 2px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.alta-progress-log li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
}

.alta-progress-log li.step-active::before { background: var(--accent); }
.alta-progress-log li.step-done::before { background: var(--green); }
.alta-progress-log li.step-error::before { background: var(--red); }

/* =============================
   RESULT
   ============================= */
.alta-card-result {
    text-align: center;
    padding: 32px 28px;
}

.alta-result-icon {
    font-size: 48px;
    line-height: 1;
    margin-bottom: 12px;
}

.alta-result-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.alta-result-message {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

.alta-result-details {
    font-size: 12px;
    color: var(--text-hint);
    margin-bottom: 20px;
    font-variant-numeric: tabular-nums;
}

.alta-result-details code {
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    user-select: all;
    color: var(--accent);
}

.alta-result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.alta-card-result.success .alta-result-icon { color: var(--green); }
.alta-card-result.success .alta-result-title { color: var(--green); }
.alta-card-result.error .alta-result-icon { color: var(--red); }
.alta-card-result.error .alta-result-title { color: var(--red); }

/* =============================
   BUTTONS
   ============================= */
.alta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

.alta-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.alta-btn:active { transform: translateY(0); }

.alta-btn-primary {
    background: var(--accent-gradient);
    color: #1e1e2e;
}

.alta-btn-secondary {
    background: rgba(255,255,255,0.08);
    color: var(--text);
    border: 1px solid var(--border);
}

.alta-btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 15px;
    background: var(--accent-gradient);
    color: #1e1e2e;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(37, 99, 235,0.25);
    margin-top: 4px;
}

.alta-btn-submit:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none;
}

.alta-btn-submit.processing {
    pointer-events: none;
    opacity: 0.6;
}

/* [hidden] debe ganar a .alta-btn { display: inline-flex } en todos los motores */
#btn-submit[hidden],
.alta-btn-submit[hidden] {
    display: none !important;
}

/* =============================
   ANIMATIONS
   ============================= */
@keyframes altaFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.alta-card { animation: altaFadeIn 0.3s ease-out both; }
.alta-card:nth-child(2) { animation-delay: 0.05s; }
.alta-card-preview,
.alta-card-progress,
.alta-card-result { animation: altaFadeIn 0.35s ease-out both; }

/* =============================
   Ubicación (mismo patrón que modal editar proyecto en landing.css)
   ============================= */
.app-project-edit-fields--alta-geo {
    margin-top: 0;
}

.app-project-edit-fields {
    display: grid;
    gap: 8px;
}

.app-project-edit-fields label {
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.app-project-edit-fields input[type="text"] {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    box-sizing: border-box;
}

.app-project-edit-fields input[type="text"]:focus {
    border-color: var(--border-focus);
}

.app-project-edit-geo-wrap {
    position: relative;
    z-index: 2;
}

.app-project-edit-geo-suggestions {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    margin: 0;
    padding: 4px 0;
    list-style: none;
    max-height: 220px;
    overflow-y: auto;
    background: #131a2a;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-drop);
    z-index: 10;
}

.app-project-edit-geo-suggestions.app-project-edit-geo-suggestions--docked {
    border-top: none;
    border-radius: 0 0 8px 8px;
}

.app-project-edit-geo-item {
    padding: 8px 12px;
    font-size: 13px;
    line-height: 1.35;
    color: var(--text);
    cursor: pointer;
    transition: background 0.12s ease;
}

.app-project-edit-geo-item:hover,
.app-project-edit-geo-item:focus {
    background: rgba(59, 130, 246, 0.22);
    outline: none;
}

/* =============================
   SCROLLBAR
   ============================= */
.alta-progress-log::-webkit-scrollbar { width: 4px; }
.alta-progress-log::-webkit-scrollbar-track { background: transparent; }
.alta-progress-log::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* =============================
   RESPONSIVENESS
   ============================= */
@media (max-width: 600px) {
    .alta-shell { padding: 0 14px 40px; }
    .alta-header { padding: 16px 0 14px; margin-bottom: 20px; gap: 10px; }
    .alta-logo { font-size: 18px; }
    .alta-title { font-size: 14px; }
    .alta-card { padding: 18px 16px; }
    .alta-details-advanced-summary { padding: 16px; }
    .alta-details-advanced-body { padding: 0 16px 18px; }
    .alta-drop-zone { padding: 30px 16px; }
    .alta-preview-stats { gap: 8px; }
    .alta-stat { min-width: 60px; padding: 10px 6px; }
    .alta-stat-value { font-size: 18px; }
    .alta-result-actions { flex-direction: column; }
}