/**
 * Mivisor Mobile - Estilos
 * PWA para subir fotos de proyectos de construcción
 */

/* ============================================
   Variables - Mivisor Corporate Identity
   Matching mivisor.info look and feel
   ============================================ */
:root {
    /* Colores Mivisor Corporativos */
    --mivisor-red: #FF5252;
    --mivisor-coral: #FF6B6B;
    --mivisor-pink: #FF8E8E;
    --mivisor-light: #FFF5F5;
    --mivisor-dark: #2D3748;

    --color-primary: var(--mivisor-red);
    --color-primary-dark: #E04848;
    --color-secondary: #6c757d;
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;

    /* Tema claro como mivisor.info */
    --color-bg: #f9fafb;
    --color-bg-card: #ffffff;
    --color-bg-input: #f3f4f6;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

    --transition: 0.2s ease;
}


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

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}


/* ============================================
   Header - Estilo mivisor.info
   ============================================ */
.app-header {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo.logo-small {
    font-size: 1.1rem;
}

/* Export Button */
.btn-export {
    position: relative;
}

.btn-export .export-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

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


/* ============================================
   Main Content
   ============================================ */
.app-main {
    flex: 1;
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}


/* ============================================
   Screens
   ============================================ */
.screen {
    display: none;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ============================================
   Login Screen
   ============================================ */
.login-container {
    padding: var(--spacing-xl) 0;
}

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

.login-logo {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.login-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--color-text-muted);
}

.app-version {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    opacity: 0.7;
}

.login-form {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}


/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:hover {
    border-color: #d1d5db;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.error-message {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    text-align: center;
}

.success-message {
    color: #22c55e;
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius-sm);
}

/* Forgot password link */
.forgot-password-link {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.forgot-password-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.forgot-password-link a:hover {
    text-decoration: underline;
}

/* Back to login link */
.back-to-login {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.back-to-login a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.back-to-login a:hover {
    text-decoration: underline;
}

/* CAPTCHA / Verification Box */
.verification-box {
    background: linear-gradient(135deg, #fef3f3 0%, #fff 100%);
    border: 2px solid #fecaca;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.verification-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.verification-question {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.captcha-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    text-align: center;
    box-sizing: border-box;
}

.captcha-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.1);
}

.captcha-help {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
    text-align: center;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Error container (for invalid token) */
.error-container {
    text-align: center;
    padding: var(--spacing-xl);
}

.error-container svg {
    margin-bottom: var(--spacing-md);
}

.error-container h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.error-container p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Password toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    padding-right: 48px;
}

.btn-toggle-password {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.btn-toggle-password:hover {
    color: var(--color-text);
}

/* Remember me checkbox */
.remember-group {
    margin-top: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    gap: var(--spacing-sm);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}


/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

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

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

.btn-primary:disabled,
.btn-primary.btn-disabled {
    background: var(--color-secondary);
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

.btn-success {
    background: #25D366;
    color: white;
}

.btn-success:hover {
    background: #128C7E;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--color-text);
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background var(--transition);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Notification bell button */
#btn-notifications {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--color-primary);
    color: white;
    font-size: 10px;
    font-weight: bold;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}


/* ============================================
   Projects Screen
   ============================================ */
.projects-header {
    margin-bottom: var(--spacing-lg);
}

.projects-header h2 {
    font-size: 1.25rem;
}

.projects-header p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.project-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-card:active {
    transform: scale(0.98);
}

.project-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.project-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Secciones de proyectos (plataforma vs movil) */
.projects-section {
    margin-bottom: var(--spacing-lg);
}

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

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}

.section-icon {
    font-size: 1rem;
}

.section-projects {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Badge de especialidad para subcontratistas */
.specialty-badge {
    display: inline-block;
    background: var(--mivisor-light);
    color: var(--mivisor-red);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    text-transform: capitalize;
}

/* Banner de subcontratista */
.subcontractor-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border: 1px solid #90CAF9;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.subcontractor-banner .banner-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: #2196F3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.subcontractor-banner .banner-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.subcontractor-banner .banner-text strong {
    font-size: 0.875rem;
    color: #1565C0;
}

.subcontractor-banner .banner-text span {
    font-size: 0.75rem;
    color: #1976D2;
}


/* ============================================
   Upload Screen
   ============================================ */
.upload-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.upload-header h2 {
    font-size: 1.125rem;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-preview {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    aspect-ratio: 4/3;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-clear {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.capture-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn-capture {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 2px dashed var(--color-secondary);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-capture:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-input);
}

.btn-capture svg {
    color: var(--color-primary);
}

.btn-capture span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Sección de fotos subidas */
.uploaded-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.uploaded-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.uploaded-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.uploaded-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.uploaded-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

@media (min-width: 480px) {
    .uploaded-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.uploaded-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-input);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    border: 2px solid transparent;
}

.uploaded-thumb:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Estilo seleccionado como mivisor_ventas */
.uploaded-thumb.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(255, 82, 82, 0.3);
    transform: scale(1.05);
}

/* Checkbox de selección */
.uploaded-thumb .select-checkbox {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    z-index: 2;
    background: rgba(255,255,255,0.9);
    border: 2px solid var(--color-border);
    color: transparent;
}

.uploaded-thumb.selected .select-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.uploaded-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.location-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.location-status {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--color-success);
}


/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-secondary);
    transition: var(--transition);
    border-radius: var(--radius-full);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: var(--radius-full);
}

.toggle input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(20px);
}


/* Upload Button */
.btn-upload {
    margin-top: auto;
}

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


/* Upload Status */
.upload-status {
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
}

.upload-status.success {
    background: rgba(40, 167, 69, 0.2);
}

.upload-status.error {
    background: rgba(220, 53, 69, 0.2);
}

.status-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}


/* ============================================
   Loading & Spinners
   ============================================ */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-bg-input);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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


/* ============================================
   Banners
   ============================================ */
.offline-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-warning);
    color: #000;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 200;
}

/* Update Banner */
.update-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 300;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.update-banner .btn-primary {
    background: white;
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.update-banner .btn-icon {
    color: white;
    padding: var(--spacing-xs);
}

.install-banner {
    position: fixed;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 150;
}

.install-banner p {
    flex: 1;
    font-size: 0.875rem;
}


/* ============================================
   Utilities
   ============================================ */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-muted);
}


/* ============================================
   Media Queries
   ============================================ */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .capture-buttons {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .app-main {
        padding: var(--spacing-xl);
    }

    .login-container {
        max-width: 400px;
        margin: 0 auto;
    }
}


/* ============================================
   Header Actions
   ============================================ */
.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}


/* ============================================
   Sessions Screen
   ============================================ */
.sessions-header {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
}

.sessions-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.sessions-header p {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.875rem;
}

.sessions-list {
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.session-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: transform var(--transition);
}

.session-card:active {
    transform: scale(0.98);
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.session-header h3 {
    font-size: 1.125rem;
    margin: 0;
}

.session-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.meta-item svg {
    flex-shrink: 0;
}

.specialty-tag {
    background: var(--mivisor-light);
    color: var(--mivisor-red);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.session-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Session expand icon */
.session-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.expand-icon {
    transition: transform 0.2s ease;
    color: var(--color-text-muted);
}

.expand-icon.rotated {
    transform: rotate(180deg);
}

.session-card.expanded {
    border-color: var(--color-primary);
}

/* Session thumbnails */
.session-thumbnails {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.session-thumbnails-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

@media (max-width: 480px) {
    .session-thumbnails-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.session-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-input);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.session-thumb:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.session-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnails-loading,
.thumbnails-empty,
.thumbnails-error {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.thumbnails-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.thumbnails-error button {
    margin-top: var(--spacing-sm);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-yellow {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.badge-blue {
    background: rgba(74, 144, 217, 0.2);
    color: #4a90d9;
}

.badge-green {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.badge-red {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}


/* ============================================
   Analysis Screen
   ============================================ */
.analysis-header {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
}

.analysis-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.selection-toolbar {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 56px;
    z-index: 50;
}

/* Selector de especialidad */
.form-select-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-input);
    color: var(--color-text);
    cursor: pointer;
    min-width: 100px;
    max-width: 140px;
}

.form-select-small:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(255, 82, 82, 0.2);
}

/* Checkbox inline para toolbar */
.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--color-text);
    cursor: pointer;
    white-space: nowrap;
}

.checkbox-inline input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-inline span {
    user-select: none;
}

.btn-compliance-info {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    background: rgba(255, 82, 82, 0.1);
    color: var(--color-primary);
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    animation: compliancePulse 2s ease-in-out 3;
}

.btn-compliance-info:hover {
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
    background: rgba(255, 82, 82, 0.2);
}

@keyframes compliancePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(255, 82, 82, 0); }
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.image-card {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid var(--color-bg-input);
}

.image-card:hover {
    border-color: var(--mivisor-light);
}

.image-card.selected {
    border-color: var(--mivisor-pink);
    box-shadow: 0 0 0 4px rgba(255, 142, 142, 0.4);
    transform: scale(1.05);
}

.image-card:active {
    transform: scale(0.98);
}

.image-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    z-index: 10;
}

.checkbox {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition);
}

.checkbox.checked {
    background: var(--mivisor-pink);
    border-color: var(--mivisor-pink);
    color: white;
}

.image-thumb {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.image-info {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.6);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.image-filename {
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.image-timestamp {
    font-size: 0.625rem;
    color: var(--color-text-muted);
    margin: 0;
}


/* ============================================
   Results Screen
   ============================================ */
.results-header {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
}

.results-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.results-content {
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.results-summary {
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-success);
}

.results-summary h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.results-summary p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.results-stats {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

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

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--color-text-muted);
}

.stat-value {
    font-weight: 600;
    color: var(--mivisor-coral);
}

.results-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.action-group .btn {
    flex: 1;
}

.btn-icon-only {
    flex: 0 0 auto !important;
    padding: var(--spacing-sm);
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-only svg {
    width: 20px;
    height: 20px;
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-info {
    background: rgba(74, 144, 217, 0.2);
    border: 1px solid rgba(74, 144, 217, 0.4);
    color: #4a90d9;
}


/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-body h3 {
    margin-bottom: var(--spacing-sm);
}

/* Modal de análisis */
.modal-overlay .modal-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.modal-overlay .modal-content h3 {
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--color-text);
}

.modal-overlay .modal-content p {
    color: var(--color-text-muted);
    margin: var(--spacing-xs) 0;
}

/* Image Viewer Modal */
.image-viewer-content {
    background: #000;
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.image-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
}

.image-viewer-header .btn-icon {
    color: white;
}

.image-viewer-header .btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

.image-viewer-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.image-viewer-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-viewer-body img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Modal de analisis - posicionado mas arriba */
#analyzing-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    z-index: 1000;
}

#analyzing-modal .modal-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    max-width: 320px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.analyzing-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

.analyzing-hint {
    font-size: 0.75rem;
    margin-top: var(--spacing-md) !important;
}

.analyzing-avance {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: var(--spacing-sm) !important;
    padding: 4px 12px;
    background: rgba(255, 82, 82, 0.1);
    border-radius: 12px;
    display: inline-block;
}

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


/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-muted);
}


/* ============================================
   Responsive
   ============================================ */
@media (min-width: 640px) {
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .image-thumb {
        height: 200px;
    }
}

@media (min-width: 1024px) {
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .image-thumb {
        height: 240px;
    }
}


/* ============================================
   Safe Area (Notch support)
   ============================================ */
@supports (padding-top: env(safe-area-inset-top)) {
    .app-header {
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
    }

    .offline-banner {
        padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    }
}


/* ============================================
   Avance de Obra (Premium Feature)
   ============================================ */
.avance-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--mivisor-light) 0%, #fff 100%);
    border: 2px solid var(--mivisor-coral);
    border-radius: var(--radius-lg);
}

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

.avance-label {
    font-weight: 600;
    color: var(--color-text);
}

.avance-badge {
    background: var(--mivisor-red);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.avance-controls {
    margin-top: var(--spacing-md);
}

.avance-controls label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--mivisor-red);
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.2);
}

.previous-images-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.previous-images-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.previous-images-header h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

/* Estilo para thumbnails de sesión anterior */
.previous-images-section .uploaded-thumb {
    border: 2px solid transparent;
}

.previous-images-section .uploaded-thumb.selected {
    border-color: var(--mivisor-coral);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.3);
}

/* Avance de Obra no disponible (freemium) */
.avance-disabled {
    opacity: 0.6;
    pointer-events: none;
}

.avance-upgrade-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.avance-upgrade-hint a {
    color: var(--mivisor-red);
    text-decoration: underline;
}

/* Avance Loading State */
.avance-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #FFF8E1;
    border: 1px solid #FFE082;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    color: #F57C00;
    font-size: 0.875rem;
}

.loading-spinner-small {
    width: 18px;
    height: 18px;
    border: 2px solid #FFE082;
    border-top-color: #F57C00;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Avance Ready State */
.avance-ready {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #E8F5E9;
    border: 1px solid #A5D6A7;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    color: #2E7D32;
    font-size: 0.875rem;
}

.avance-ready-icon {
    font-weight: bold;
    font-size: 1rem;
}


/* ============================================
   Settings Screen
   ============================================ */
.settings-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.settings-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.settings-content {
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.settings-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
}

.settings-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.settings-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.settings-section .section-header h3 {
    margin-bottom: 0;
}

.section-description {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* Plan Info Card */
.plan-info-card {
    background: var(--mivisor-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.plan-info-card .plan-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.plan-info-card .plan-name span:first-child {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--mivisor-dark);
}

.plan-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
}

.badge-free {
    background: var(--color-secondary);
    color: white;
}

.badge-premium {
    background: linear-gradient(135deg, var(--mivisor-red), var(--mivisor-coral));
    color: white;
}

.plan-limits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.limit-item {
    text-align: center;
    padding: var(--spacing-sm);
    background: white;
    border-radius: var(--radius-sm);
}

.limit-item .limit-label {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.limit-item span:last-child {
    font-weight: 600;
    color: var(--mivisor-dark);
}

/* Projects List in Settings */
.settings-projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.settings-project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.settings-project-item .project-info {
    flex: 1;
}

.settings-project-item .project-name {
    display: block;
    font-weight: 500;
}

.settings-project-item .project-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.settings-project-item .project-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Cronograma Status in Project Item */
.project-cronograma-info {
    margin-top: var(--spacing-xs);
}

.cronograma-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.cronograma-status svg {
    flex-shrink: 0;
}

.cronograma-status.cronograma-active {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
}

.cronograma-status.cronograma-empty {
    background: rgba(108, 117, 125, 0.1);
    color: var(--color-text-muted);
}

.btn-info {
    color: #0dcaf0;
}

.btn-info:hover {
    background: rgba(13, 202, 240, 0.1);
}

.btn-danger {
    color: var(--color-error);
}

.btn-danger:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* Deleted Projects */
.settings-deleted-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.deleted-project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--color-border);
    opacity: 0.7;
}

/* Sessions Filter */
.sessions-filter {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.sessions-filter .form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body {
    padding: var(--spacing-md);
}

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

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--color-bg-input);
}

.form-input:focus {
    outline: none;
    border-color: var(--mivisor-red);
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.1);
}

textarea.form-input {
    resize: vertical;
    min-height: 60px;
}

/* ============================================
   Cronograma Modal Styles (v1.7)
   ============================================ */

.modal-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.modal-footer-stack {
    flex-direction: column;
}

.modal-footer-stack .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.cronograma-info-box {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(40, 167, 69, 0.05);
    border: 1px solid rgba(40, 167, 69, 0.2);
    border-radius: var(--radius-md);
}

.cronograma-info-box svg {
    color: var(--color-success);
    margin-bottom: var(--spacing-sm);
}

.cronograma-info-box p {
    margin-bottom: var(--spacing-xs);
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    text-align: center;
}

.upload-zone:hover {
    border-color: var(--mivisor-red);
    background: var(--mivisor-light);
}

.upload-zone svg {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.upload-zone p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.file-preview svg {
    color: var(--color-error);
    flex-shrink: 0;
}

.file-preview span {
    flex: 1;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-progress {
    text-align: center;
    padding: var(--spacing-lg);
}

.upload-progress .spinner {
    margin: 0 auto var(--spacing-md);
}

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.alert-info {
    background: rgba(13, 202, 240, 0.1);
    color: #0a58ca;
    border: 1px solid rgba(13, 202, 240, 0.2);
}

/* ============================================
   Cronograma Analysis Toggle (v1.7)
   ============================================ */

.cronograma-badge {
    background: #0dcaf0 !important;
    color: white !important;
}

.cronograma-description {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    padding-left: calc(2rem + 10px);
}

.analyzing-cronograma {
    color: #0dcaf0;
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #4F46E5;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-message {
    font-size: 1rem;
    margin: 0;
}

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


/* ============================================
   Export Modal Styles
   ============================================ */
.export-status {
    text-align: center;
    padding: var(--spacing-lg);
}

.export-status .spinner {
    margin: 0 auto var(--spacing-sm);
}

.export-status p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.export-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.export-actions .btn {
    flex: 1;
}

.export-count-info {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}

.export-count-info .count-available {
    color: var(--color-success);
    font-weight: 600;
}

.export-count-info .count-zero {
    color: var(--color-text-muted);
    font-style: italic;
}

/* ============================================
   Boton WhatsApp Flotante Permanente (FAB)
   ============================================ */
.whatsapp-fab {
    position: fixed;
    bottom: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    background: #25D366;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.whatsapp-fab:active {
    transform: scale(0.95);
}

.whatsapp-fab svg {
    width: 24px;
    height: 24px;
    color: white;
}

/* ============================================
   Widget WhatsApp de Inactividad
   ============================================ */
.whatsapp-widget {
    position: fixed;
    bottom: 70px;
    right: 20px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.whatsapp-widget-visible {
    opacity: 1;
    transform: translateY(0);
}

.whatsapp-widget-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    max-width: 280px;
    border: 2px solid var(--color-border);
}

.whatsapp-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.whatsapp-logo {
    width: 36px;
    height: 36px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.whatsapp-logo svg {
    width: 22px;
    height: 22px;
    color: white;
}

.whatsapp-title {
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.whatsapp-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.whatsapp-close:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.whatsapp-message {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.whatsapp-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.whatsapp-btn-contact {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.whatsapp-btn-contact:hover {
    background: #128C7E;
}

.whatsapp-btn-contact svg {
    flex-shrink: 0;
}

.whatsapp-btn-dismiss {
    padding: 10px 12px;
    background: transparent;
    color: var(--color-text-muted);
    border: none;
    font-size: 13px;
    cursor: pointer;
    transition: color 0.2s;
}

.whatsapp-btn-dismiss:hover {
    color: var(--color-text);
}


/* ============================================
   Upload Intro Tooltip (first-time onboarding)
   ============================================ */
.upload-intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-md);
    animation: uploadIntroFadeIn 0.3s ease-out;
}

.upload-intro-modal {
    background: #1a1a2e;
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 340px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: uploadIntroSlideUp 0.3s ease-out;
}

.upload-intro-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.upload-intro-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.upload-intro-btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
}

.upload-intro-closing {
    animation: uploadIntroFadeOut 0.3s ease-in forwards;
}

@keyframes uploadIntroFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes uploadIntroSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes uploadIntroFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}