/* ==========================================
   MIRAC Ingenieros - Sistema de Gestión FV
   Design System v3.0
   ========================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Primary Colors */
    --primary-50: #e3f2fd;
    --primary-100: #bbdefb;
    --primary-200: #90caf9;
    --primary-300: #64b5f6;
    --primary-400: #42a5f5;
    --primary-500: #2196f3;
    --primary-600: #1e88e5;
    --primary-700: #1976d2;
    --primary-800: #1565c0;
    --primary-900: #0d47a1;
    --primary-rgb: 33, 150, 243;
    /* RGB de --primary-500, usado en rgba() (p.ej. encabezados de panel compacto) */

    /* Accent Colors */
    --accent-orange: #ff9800;
    --accent-green: #4caf50;
    --accent-red: #f44336;
    --accent-purple: #9c27b0;
    --accent-yellow: #ffc107;

    /* Neutral Colors - Light Mode */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* ==========================================
   Base Styles
   ========================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ==========================================
   Header
   ========================================== */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-800));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text span {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.nav-tab.active {
    color: white;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.tab-icon {
    font-size: 1.1rem;
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: rotate(15deg);
}

/* ==========================================
   Main Content
   ========================================== */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    min-height: calc(100vh - 80px);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Dashboard
   ========================================== */

.dashboard-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--shadow-color);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

[data-theme="dark"] .stat-icon {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-600);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.dashboard-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

/* Projects Section */
.projects-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.projects-header h3 {
    font-size: var(--font-size-xl);
    margin: 0;
}

.search-inline {
    min-width: 250px;
}

.search-inline .form-input {
    margin: 0;
}

/* Projects Table */
.projects-table-container {
    overflow-x: auto;
}

.projects-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.projects-table th,
.projects-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.projects-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
}

.projects-table tbody tr {
    transition: background-color var(--transition-fast);
}

.projects-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.projects-table tbody tr:last-child td {
    border-bottom: none;
}

.project-id-cell {
    font-family: monospace;
    font-weight: 600;
    color: var(--primary-600);
}

.project-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.nuevo {
    background: var(--primary-100);
    color: var(--primary-700);
}

.project-status.en_progreso {
    background: #fff3e0;
    color: #e65100;
}

.project-status.revision {
    background: #e8f5e9;
    color: #2e7d32;
}

.project-status.completado {
    background: #e8f5e9;
    color: #2e7d32;
}

[data-theme="dark"] .project-status.nuevo {
    background: var(--primary-900);
    color: var(--primary-300);
}

[data-theme="dark"] .project-status.en_progreso {
    background: rgba(255, 152, 0, 0.2);
    color: #ffb74d;
}

[data-theme="dark"] .project-status.completado,
[data-theme="dark"] .project-status.revision {
    background: rgba(76, 175, 80, 0.2);
    color: #81c784;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-action {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.btn-action:hover {
    background: var(--primary-100);
}

[data-theme="dark"] .btn-action:hover {
    background: var(--primary-900);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

/* ==========================================
   Drive Import Section
   ========================================== */

.drive-import-section {
    margin-bottom: var(--spacing-xl);
}

.drive-import-card {
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

[data-theme="dark"] .drive-import-card {
    background: linear-gradient(135deg, var(--primary-900), rgba(13, 71, 161, 0.3));
    border-color: var(--primary-700);
}

.drive-import-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.drive-icon {
    font-size: 2.5rem;
}

.drive-import-header h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.drive-import-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.drive-import-input {
    display: flex;
    gap: var(--spacing-md);
    align-items: stretch;
}

.drive-import-input .form-input {
    flex: 1;
    margin: 0;
}

.drive-help-text {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Import Files Info */
.import-files-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--primary-200);
}

[data-theme="dark"] .import-files-info {
    border-top-color: var(--primary-700);
}

.import-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.import-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.import-file-item .file-icon {
    font-size: 1.5rem;
}

.import-file-item strong {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.import-file-item span {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Import Preview in Modal */
.import-preview-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.import-preview-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.import-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.import-preview-item {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-500);
}

.import-preview-item .label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.import-preview-item .value {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-primary);
}

.import-preview-item .value.found {
    color: var(--accent-green);
}

.import-preview-item .value.not-found {
    color: var(--text-tertiary);
    font-style: italic;
}

/* ==========================================
   Form Styles
   ========================================== */

.form-header {
    margin-bottom: var(--spacing-xl);
}

.form-header h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.form-card:hover {
    box-shadow: 0 8px 24px var(--shadow-color);
}

.card-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-icon {
    font-size: 1.25rem;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: var(--accent-red);
}

.form-help {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--accent-red);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* ID Generator */
.id-generator {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.current-id {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.current-id label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.id-display {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 2px solid var(--primary-500);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.id-prefix {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: white;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.id-input {
    border: none;
    background: transparent;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: monospace;
    width: 80px;
    text-align: center;
    color: var(--text-primary);
}

.id-input:focus {
    outline: none;
}

.form-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ==========================================
   Technical Module
   ========================================== */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.module-specs,
.inverter-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.spec {
    color: var(--text-secondary);
}

.config-validation {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.config-validation.valid {
    background: #e8f5e9;
    color: #2e7d32;
}

.config-validation.invalid {
    background: #ffebee;
    color: #c62828;
}

[data-theme="dark"] .config-validation.valid {
    background: rgba(76, 175, 80, 0.2);
    color: #81c784;
}

[data-theme="dark"] .config-validation.invalid {
    background: rgba(244, 67, 54, 0.2);
    color: #ef5350;
}

/* ==========================================
   Resumen Section
   ========================================== */

.resumen-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.resumen-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.resumen-card-wide {
    grid-column: span 2;
}

.resumen-card-highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--primary-50), var(--bg-secondary));
    border-color: var(--primary-200);
}

[data-theme="dark"] .resumen-card-highlight {
    background: linear-gradient(135deg, var(--primary-900), var(--bg-secondary));
    border-color: var(--primary-800);
}

.resumen-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.resumen-icon {
    font-size: 1.25rem;
}

.resumen-header h3 {
    flex: 1;
    font-size: var(--font-size-md);
    font-weight: 600;
}

.btn-edit {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-edit:hover {
    background: var(--bg-secondary);
}

.resumen-content {
    padding: var(--spacing-lg);
}

.resumen-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.resumen-row:last-child {
    border-bottom: none;
}

.resumen-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.resumen-value {
    font-weight: 500;
}

.empty-text {
    color: var(--text-tertiary);
    font-style: italic;
}

/* Calculations Grid */
.calculations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.calc-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.calc-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.calc-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-600);
}

.calc-unit {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.placeholder-code {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--accent-purple);
}

/* Validation Status */
.validation-status {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.validation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.validation-item.valid {
    color: var(--accent-green);
}

.validation-item.invalid {
    color: var(--accent-red);
}

.validation-item.pending {
    color: var(--accent-orange);
}

.validation-item.warning {
    color: var(--accent-orange);
    align-items: flex-start;
}

.resumen-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: inherit;
    font-size: var(--font-size-md);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: white;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(33, 150, 243, 0.4);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-danger {
    background: linear-gradient(135deg, #ef5350, var(--accent-red));
    color: white;
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(244, 67, 54, 0.4);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.btn-icon:hover {
    background: var(--primary-100);
}

[data-theme="dark"] .btn-icon:hover {
    background: var(--primary-900);
}

/* ==========================================
   Toast Notifications
   ========================================== */

.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px var(--shadow-color);
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

.toast.success {
    border-left: 4px solid var(--accent-green);
}

.toast.error {
    border-left: 4px solid var(--accent-red);
}

.toast.warning {
    border-left: 4px solid var(--accent-orange);
}

.toast.info {
    border-left: 4px solid var(--primary-500);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================
   Modal
   ========================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.3s ease;
}

.modal-large {
    max-width: 900px;
}

.modal-small {
    max-width: 400px;
}

@keyframes modalIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.modal-body {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Modal Detail Sections */
.detail-section {
    margin-bottom: var(--spacing-xl);
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.detail-item {
    padding: var(--spacing-sm);
}

.detail-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    font-size: var(--font-size-md);
    font-weight: 500;
}

/* ==========================================
   Utilities
   ========================================== */

.hidden {
    display: none !important;
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {

    .resumen-card-wide,
    .resumen-card-highlight {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .nav-tabs {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
    }

    .tab-text {
        display: none;
    }

    .nav-tab {
        padding: var(--spacing-md);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

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

    .dashboard-header h2 {
        font-size: var(--font-size-2xl);
    }

    .resumen-actions {
        flex-direction: column;
    }

    .projects-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-inline {
        min-width: 100%;
    }

    .drive-import-input {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-actions {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
    }

    .current-id {
        flex-wrap: wrap;
        justify-content: center;
    }

    .calculations-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==========================================
   Compact Dashboard (Optimized Layout)
   ========================================== */

.dashboard-compact {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 0.75rem;
    align-items: start;
    margin-bottom: 2rem;
}



.full-width {
    grid-column: 1 / -1;
}

/* ==========================================
   Dense Dashboard Layout (New Resumen)
   ========================================== */

.dashboard-dense {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dense-grid-main {
    display: grid;
    grid-template-columns: 280px 300px 1fr;
    gap: 1rem;
    align-items: start;
}

@media (max-width: 1100px) {
    .dense-grid-main {
        grid-template-columns: 1fr 1fr;
    }

    .dense-grid-main> :nth-child(3) {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .dense-grid-main {
        grid-template-columns: 1fr;
    }

    .dense-grid-main> :nth-child(3) {
        grid-column: auto;
    }
}

.compact-header {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.compact-header h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.compact-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
}

.compact-panel-header {
    background: rgba(var(--primary-rgb), 0.03);
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-700);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: 0.5px;
}

.compact-panel-body {
    padding: 0.75rem;
}

.compact-validation {
    margin-top: 0;
    padding: 0.5rem;
}

.resumen-value {
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
    font-size: 0.85rem;
}

.resumen-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.resumen-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.2rem 0;
}

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

.dashboard-top-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.mini-stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mini-stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-500);
}

.mini-stat-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.15rem;
}

.mini-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.mini-stat-unit {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 400;
    margin-left: 2px;
}

.compact-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
}

.compact-panel-header {
    background: var(--bg-tertiary);
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.compact-panel-body {
    padding: 0;
}

/* Data Table Compact */
.data-table-compact {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.data-table-compact td {
    padding: 0.35rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table-compact tr:last-child td {
    border-bottom: none;
}

/* Results Grid Compact */
.results-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0;
    /* Gap handled by borders or padding */
}

.result-group {
    padding: 0.5rem;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}



.result-group h5 {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 0 0 0.25rem 0;
    letter-spacing: 0.5px;
}

.result-item-compact {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.15rem;
    font-size: 0.8rem;
}

.res-label {
    color: var(--text-secondary);
}

.res-val {
    font-weight: 600;
    color: var(--primary-700);
}

[data-theme="dark"] .res-val {
    color: var(--primary-300);
}

.highlight-row {
    background-color: rgba(33, 150, 243, 0.05);
}

.highlight-val {
    color: var(--accent-green);
}

/* ==========================================
   Compact Form Layout (Technical Tab)
   ========================================== */

.form-compact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

@media (max-width: 900px) {
    .form-compact-layout {
        grid-template-columns: 1fr;
    }
}

.compact-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
}

.compact-card-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.5px;
}

.form-group-compact {
    margin-bottom: 0.75rem;
}

.form-group-compact:last-child {
    margin-bottom: 0;
}

.form-group-compact label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.form-input-compact {
    padding: 0.4rem 0.5rem !important;
    /* Force override padding */
    font-size: 0.85rem !important;
    height: auto !important;
}

.form-select-compact {
    padding: 0.4rem 0.5rem !important;
    font-size: 0.85rem !important;
    height: auto !important;
    background-position: right 0.5rem center !important;
}

.spec-mini-container {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.spec-mini-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spec-mini-label {
    color: var(--text-tertiary);
}

.spec-mini-value {
    font-weight: 600;
    color: var(--text-primary);
}

.input-row-compact {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.5rem;
}

.input-row-equal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-600);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

/* ==========================================
   Mapa Satelital del Proyecto
   ========================================== */

.map-search-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: stretch;
}

.map-search-row .form-input {
    flex: 1;
    margin: 0;
}

.map-search-row .btn {
    white-space: nowrap;
    padding: var(--spacing-sm) var(--spacing-md);
    flex-shrink: 0;
}

.map-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    height: auto;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    overflow: hidden;
    position: relative;
    background: var(--bg-tertiary);
    transition: border-color var(--transition-fast);
}

.map-container:focus-within {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
}

.map-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin: var(--spacing-xs) 0 var(--spacing-sm);
    font-style: italic;
}

.map-coords-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.map-capture-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.map-capture-btn {
    background: linear-gradient(135deg, #00897b, #00695c);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(0, 137, 123, 0.3);
}

.map-capture-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 137, 123, 0.4);
    background: linear-gradient(135deg, #00796b, #004d40);
}

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

.map-capture-status {
    font-size: var(--font-size-xs);
    color: var(--accent-green);
    font-weight: 500;
}

.map-preview-container {
    position: relative;
    display: inline-block;
    margin-top: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--accent-green);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.map-preview-img {
    display: block;
    max-height: 140px;
    max-width: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.btn-map-clear {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.btn-map-clear:hover {
    background: var(--accent-red);
}

/* Fix Leaflet z-index conflicts with modals */
.leaflet-pane,
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-tile-container,
.leaflet-map-pane svg,
.leaflet-map-pane canvas,
.leaflet-zoom-box,
.leaflet-image-layer,
.leaflet-layer {
    z-index: auto;
}
.leaflet-top, .leaflet-bottom {
    z-index: 10 !important;
}

/* ==========================================
   Colapso responsive de rejillas internas (Técnico)
   Varias filas usan grid-template-columns en estilos inline
   dentro del HTML; en pantallas pequeñas se fuerzan a 1 columna.
   El !important es necesario para vencer al estilo inline.
   ========================================== */
@media (max-width: 600px) {
    .input-row-equal,
    .input-row-compact,
    .map-coords-row {
        grid-template-columns: 1fr !important;
    }
}

/* ==========================================
   Visor de Memoria (docx-preview) + descarga
   ========================================== */
.modal-content.modal-memoria {
    width: 95vw;
    max-width: 1000px;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
}

.memoria-preview-hint {
    font-size: var(--font-size-sm, 0.85rem);
    color: var(--text-tertiary);
    margin: 0 0 var(--spacing-sm, 0.75rem);
}

.memoria-preview-container {
    overflow: auto;
    max-height: 70vh;
    background: var(--bg-tertiary, #e9ecef);
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--radius-md, 8px);
    padding: 1rem;
}

/* Presentación de las páginas que renderiza docx-preview */
.memoria-preview-container .docx-wrapper {
    background: transparent;
    padding: 0;
}
.memoria-preview-container .docx-wrapper > section.docx {
    margin: 0 auto 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    background: #fff;
}

/* Impresión: aislar el visor para "Guardar como PDF" */
@media print {
    body.printing-memoria > *:not(#memoriaPreviewModal) {
        display: none !important;
    }
    body.printing-memoria #memoriaPreviewModal,
    body.printing-memoria #memoriaPreviewModal .modal-content {
        position: static !important;
        display: block !important;
        width: auto !important;
        max-width: none !important;
        max-height: none !important;
        height: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: #fff !important;
    }
    body.printing-memoria #memoriaPreviewModal .modal-overlay,
    body.printing-memoria #memoriaPreviewModal .modal-header,
    body.printing-memoria #memoriaPreviewModal .modal-footer,
    body.printing-memoria #memoriaPreviewModal .memoria-preview-hint {
        display: none !important;
    }
    body.printing-memoria #memoriaPreviewModal .modal-body,
    body.printing-memoria .memoria-preview-container {
        overflow: visible !important;
        max-height: none !important;
        height: auto !important;
        padding: 0 !important;
        border: none !important;
        background: #fff !important;
    }
    body.printing-memoria .memoria-preview-container .docx-wrapper > section.docx {
        box-shadow: none !important;
        margin: 0 !important;
    }
}