/* ============================================
   Servicio y Actividades - Form Styles
   Clean, calm, church-appropriate design
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-subtle: #dbeafe;

    --color-bg-gradient-start: #f0f7ff;
    --color-bg-gradient-end: #e0f2fe;
    --color-card-bg: #ffffff;
    --color-card-border: #e2e8f0;

    --color-text-primary: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;

    --color-input-bg: #ffffff;
    --color-input-border: #cbd5e1;
    --color-input-border-focus: #3b82f6;
    --color-input-border-error: #ef4444;

    --color-error-bg: #fef2f2;
    --color-error-text: #dc2626;
    --color-success-bg: #f0fdf4;
    --color-success-text: #16a34a;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);

    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 100%);
    min-height: 100vh;
    padding: var(--spacing-lg);
}

/* Page Container */
.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: var(--spacing-xl);
}

/* Form Card */
.form-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-2xl);
}

/* Header */
.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-primary-subtle);
}

.form-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-tight);
}

.form-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
}

/* Form Sections */
.form-section {
    margin-bottom: var(--spacing-2xl);
}

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

.form-section h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-card-border);
}

/* Section Prompts and Hints */
.section-prompt {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.section-prompt a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.section-prompt a:hover {
    text-decoration: underline;
}

.section-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

/* Labels */
label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: var(--color-error-text);
    margin-left: var(--spacing-xs);
}

/* Form Row Layout */
.form-row {
    display: flex;
    gap: var(--spacing-lg);
}

.form-row.two-columns > .form-group {
    flex: 1;
    min-width: 0;
}

/* Inputs and Textareas */
input[type="text"],
input[type="date"],
textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Touch-friendly sizing on mobile */
@media (max-width: 640px) {
    input[type="text"],
    input[type="date"] {
        min-height: 48px;
        font-size: 16px;
    }

    textarea {
        font-size: 16px;
    }
}

input[type="text"]::placeholder,
input[type="date"]::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

/* Focus States */
input[type="text"]:focus,
input[type="date"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-input-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Error States */
input[type="text"].error,
input[type="date"].error,
textarea.error {
    border-color: var(--color-input-border-error);
    background-color: var(--color-error-bg);
}

input[type="text"].error:focus,
input[type="date"].error:focus,
textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Error Messages */
.error-message {
    display: none;
    font-size: var(--font-size-sm);
    color: var(--color-error-text);
    margin-top: var(--spacing-xs);
}

.error-message.visible {
    display: block;
}

/* Row Errors Container */
.row-errors {
    margin-top: var(--spacing-md);
    display: none;
}

.row-error-item {
    font-size: var(--font-size-sm);
    color: var(--color-error-text);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-error-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.row-error-item:last-child {
    margin-bottom: 0;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--spacing-md));
    padding: 0 var(--spacing-md);
}

.activity-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.activity-table th,
.activity-table td {
    padding: var(--spacing-sm);
    text-align: left;
    vertical-align: top;
}

.activity-table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    background-color: var(--color-primary-subtle);
    border-bottom: 2px solid var(--color-primary-light);
}

.activity-table th:first-child {
    border-top-left-radius: var(--radius-sm);
}

.activity-table th:last-child {
    border-top-right-radius: var(--radius-sm);
}

.activity-table td {
    border-bottom: 1px solid var(--color-card-border);
}

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

.activity-table tbody > tr:nth-child(4n + 1),
.activity-table tbody > tr:nth-child(4n + 2) {
    background-color: #f8fafc;
}

.activity-table input {
    width: 100%;
    min-width: 120px;
}

.activity-table input[type="date"] {
    min-width: 140px;
}

/* Hidden helper rows for row-level accessibility errors */
.activity-table tr.visually-hidden td {
    padding: 0;
    border: 0;
    background: transparent !important;
}

.activity-table tr.visually-hidden .error-message.visible {
    display: block;
    padding: var(--spacing-xs) 0 var(--spacing-sm);
}

/* Submit Section */
.submit-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-primary-subtle);
    text-align: center;
}

/* Autosave Status */
.autosave-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    min-height: 1.5rem;
}

.autosave-status.saving {
    color: var(--color-primary);
}

.autosave-status.saved {
    color: var(--color-success-text);
}

/* Submit Button */
.submit-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
    min-width: 220px;
    min-height: 52px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Button Loader */
.button-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.submit-button.loading .button-text {
    opacity: 0.8;
}

.submit-button.loading .button-loader {
    display: inline-block;
}

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

/* Submit Status Messages */
.submit-status {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    display: none;
}

.submit-status.visible {
    display: block;
}

.submit-status.success {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
    border: 1px solid #86efac;
}

.submit-status.error {
    background-color: var(--color-error-bg);
    color: var(--color-error-text);
    border: 1px solid #fca5a5;
}

/* Footer */
.page-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
}

.page-footer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Honeypot (Anti-spam) */
.honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* Visually Hidden (for accessibility) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Metadata Section */
.metadata-section {
    background-color: #f8fafc;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-card-border);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-md);
    }

    .form-card {
        padding: var(--spacing-lg);
    }

    .form-header h1 {
        font-size: var(--font-size-xl);
    }

    .form-section h2 {
        font-size: var(--font-size-lg);
    }

    .form-row.two-columns {
        flex-direction: column;
        gap: 0;
    }

    .metadata-section {
        padding: var(--spacing-md);
    }

    .submit-button {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }

    .form-card {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .form-header {
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

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

    .section-prompt {
        font-size: var(--font-size-sm);
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .page-container {
        max-width: 100%;
    }

    .form-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .submit-section,
    .autosave-status {
        display: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-input-border: #000000;
        --color-text-primary: #000000;
        --color-primary: #0000ee;
    }

    input:focus,
    textarea:focus {
        outline: 2px solid #000000;
        outline-offset: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg-gradient-start: #0f172a;
        --color-bg-gradient-end: #1e293b;
        --color-card-bg: #1e293b;
        --color-card-border: #334155;
        --color-text-primary: #f1f5f9;
        --color-text-secondary: #94a3b8;
        --color-text-muted: #94a3b8;
        --color-input-bg: #334155;
        --color-input-border: #475569;
        --color-primary-subtle: #1e3a8a;
        --color-error-bg: rgba(127, 29, 29, 0.25);
        --color-success-bg: rgba(20, 83, 45, 0.25);
    }

    .metadata-section,
    .activity-table tbody > tr:nth-child(4n + 1),
    .activity-table tbody > tr:nth-child(4n + 2) {
        background-color: rgba(255, 255, 255, 0.03);
    }

    .submit-status.success {
        border-color: rgba(134, 239, 172, 0.45);
    }

    .submit-status.error {
        border-color: rgba(252, 165, 165, 0.45);
    }
}