/* Basic Data Collection Form Styles */

/* Main Content Layout */
.main-content {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-secondary) 100%);
    padding-bottom: var(--spacing-3xl);
}

/* Page Header */
.page-header {
    background: var(--background-gradient);
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.page-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* Form Section */
.form-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.form-wrapper {
    background: var(--background-light);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
    margin-top: calc(-1 * var(--spacing-3xl));
    position: relative;
    z-index: 10;
}

/* Form Section Headers */
.form-section-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-light);
}

.form-section-header h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.required-indicator {
    font-size: var(--text-sm);
    color: var(--error-color);
    font-weight: var(--font-normal);
    margin-left: auto;
}

.section-note {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

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

/* Submission Mode Tabs */
.submission-mode-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 0;
}

.mode-tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
}

.mode-tab:hover {
    color: var(--text-dark);
    background: rgba(249, 115, 22, 0.05);
}

.mode-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: rgba(249, 115, 22, 0.05);
}

/* Form Mode Sections */
.form-mode-section {
    display: none;
}

.form-mode-section.active {
    display: block;
}


.form-row-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
}

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

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

/* Form Inputs */
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--text-base);
    font-family: var(--font-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--background-light);
    color: var(--text-dark);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8"><path fill="%23334155" d="M1.41 0L6 4.58 10.59 0 12 1.42l-6 6-6-6z"/></svg>');
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-3xl);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: var(--leading-relaxed);
}

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

/* Form Actions */
.form-actions {
    margin-top: var(--spacing-2xl);
    display: flex;
    justify-content: center;
}

/* User Info Collapsible Section */
.user-info-section {
    margin: var(--spacing-2xl) 0;
    border-top: 2px solid var(--border-light);
    padding-top: var(--spacing-lg);
}

.user-info-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-dark);
    text-align: left;
}

.user-info-toggle:hover {
    background: var(--background-dark);
    border-color: var(--primary-color);
}

.toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    transition: var(--transition-base);
    flex-shrink: 0;
}

.user-info-toggle.active .toggle-icon {
    transform: rotate(45deg);
    background: var(--primary-hover);
}

.toggle-text {
    flex-grow: 1;
}

.user-info-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    opacity: 0;
}

.user-info-content.expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: var(--spacing-lg);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-3xl);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-white);
    background: var(--background-gradient);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    justify-content: center;
}

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

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: var(--text-xl);
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

/* Message Styles */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    animation: slideDown 0.3s ease-out;
}

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

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

/* Stats Card */
.stats-card {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
}

.stats-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    opacity: 0.95;
}

/* Responsive Design - Tablet */
@media (min-width: 640px) {
    .form-row-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* Responsive Design - Mobile */
@media (max-width: 639px) {
    .page-header {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .page-title {
        font-size: var(--text-3xl);
    }

    .page-subtitle {
        font-size: var(--text-base);
    }

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

    .form-wrapper {
        padding: var(--spacing-lg);
        margin-top: calc(-1 * var(--spacing-2xl));
    }

    .form-section-header h3 {
        font-size: var(--text-xl);
        flex-wrap: wrap;
    }

    .required-indicator {
        margin-left: 0;
        width: 100%;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .submit-btn {
        width: 100%;
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .stat-number {
        font-size: var(--text-4xl);
    }

    /* File upload responsive */
    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .file-upload-zone {
        padding: var(--spacing-lg);
    }
}

/* File Upload Section Styles */
.file-upload-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-light);
}

.file-upload-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    background: var(--background-secondary);
    cursor: pointer;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(249, 115, 22, 0.05);
    transform: translateY(-2px);
}

.file-upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(249, 115, 22, 0.1);
    border-width: 3px;
}

.upload-placeholder {
    width: 100%;
}

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

.upload-text {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-limit {
    font-size: var(--text-sm);
    color: var(--text-light);
}

/* File Preview */
.file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-md);
    width: 100%;
}

.file-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.file-info {
    flex: 1;
    text-align: left;
    min-width: 0;
}

.file-name {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.file-size {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-light);
}

.file-remove {
    background: var(--error-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--text-lg);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.file-remove:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* Audio Player */
#audioPlayer {
    margin-top: var(--spacing-md);
    width: 100%;
    height: 40px;
    border-radius: var(--radius-md);
}

/* File upload error state */
.file-upload-zone.error {
    border-color: var(--error-color);
    background: rgba(220, 38, 38, 0.05);
}

.upload-error {
    color: var(--error-color);
    font-size: var(--text-sm);
    margin-top: var(--spacing-sm);
    display: block;
}


/* iOS Input Zoom Prevention */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select,
    textarea,
    input {
        font-size: 16px !important;
    }
}

/* Accessibility */
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible,
.submit-btn:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .page-header,
    .stats-card,
    .submit-btn {
        display: none;
    }
}