/* Witness Portal - Professional Design (Based on test-design.html) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Merriweather:wght@300;700;900&display=swap');

:root {
    --primary-color: #0f172a;
    --primary-hover: #1e293b;
    --accent-color: #dc2626;
    --success-color: #059669;
    --error-color: #dc2626;
    --bg-color: #0f172a;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --border-radius: 2px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(#1e293b 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.logo-icon svg {
    width: 36px;
    height: 36px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    font-family: 'Merriweather', serif;
    letter-spacing: 0.05em;
    margin: 0;
    text-transform: none;
}

.tagline {
    font-size: 1.125rem;
    color: white;
    font-style: italic;
    font-weight: 400;
    margin-top: 4px;
    margin-bottom: 0;
    line-height: 1.5;
}

.subheadline {
    font-size: 1.25rem;
    color: #94a3b8;
    font-weight: 400;
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

/* Main Content */
.main-content {
    margin-bottom: var(--spacing-xl);
}

/* Top Info Box */
.info-box-top {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-top: 3px solid var(--accent-color);
}

.info-box-top.no-red-bar {
    border-top: 1px solid var(--border-color);
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.check-icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--success-color);
    stroke-width: 2.5;
}

.info-box-top .check-icon {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: #d1fae5;
    border-radius: 50%;
    padding: 4px;
    color: var(--success-color);
    stroke-width: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-list li span {
    flex: 1;
}

/* Card */
.upload-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
}

.upload-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--accent-color);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    font-family: 'Merriweather', serif;
}

.submission-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: 4px;
}

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

.ref-id-value {
    font-family: 'Courier New', monospace;
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 2px;
    color: var(--text-primary);
    font-weight: 600;
}

.meta-separator {
    color: var(--text-light);
}

.confidential-badge {
    color: var(--accent-color);
    font-weight: 600;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.upload-form {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

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

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

.form-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

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

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

label.required::after {
    content: " *";
    color: var(--accent-color);
    font-weight: 600;
}

.form-help {
    display: block;
    margin-top: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Input Fields */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.15s;
    background: #f8fafc;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.1);
    background: white;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.description-textarea {
    min-height: 120px;
    line-height: 1.6;
}

/* File Upload */
.file-upload-area {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background: #f8fafc;
    transition: all 0.2s;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--text-secondary);
    background: #f1f5f9;
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: white;
    border-style: solid;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.1);
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    opacity: 0.7;
}

.upload-text {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.upload-hint {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.file-name {
    margin-top: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-all;
}

/* File List */
.file-list {
    margin-top: var(--spacing-md);
}

.selected-files {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.file-type-badge {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.file-item-name {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-all;
}

.file-item-size {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.file-remove {
    background: var(--error-color);
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.15s;
}

.file-remove:hover {
    background: #b91c1c;
    transform: scale(1.1);
}

/* Upload Progress */
.upload-progress {
    margin-top: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.3s;
    border-radius: 2px;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Toggle Group */
.toggle-group {
    margin-bottom: var(--spacing-md);
}

.toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--primary-color);
}

/* Checkboxes */
.checkbox-group {
    margin-bottom: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--primary-color);
}

.checkbox-label span {
    flex: 1;
    line-height: 1.6;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Buttons */
.form-actions {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    font-size: 0.9375rem;
    font-weight: 700;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.15s;
    width: 100%;
    position: relative;
    background: var(--primary-color);
    color: white;
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: scale(0.995);
    box-shadow: var(--shadow-lg);
}

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

.btn-loader {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: var(--spacing-xs);
}

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

/* Alerts */
.alert {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    font-size: 0.9375rem;
    border: 1px solid;
    line-height: 1.7;
}

.alert-error {
    background: #fef2f2;
    color: var(--error-color);
    border-color: #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: var(--success-color);
    border-color: #bbf7d0;
}

.alert-success strong {
    color: var(--text-primary);
    font-weight: 600;
}

.alert-success a {
    color: var(--text-primary);
    text-decoration: underline;
    word-break: break-all;
}

.alert-success a:hover {
    text-decoration: none;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    color: #94a3b8;
    font-size: 0.8125rem;
    margin-top: var(--spacing-xl);
}

/* Responsive Design */
@media (max-width: 640px) {
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .header {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .logo-text {
        font-size: 2.25rem;
    }

    .subheadline {
        font-size: 1.125rem;
    }

    .upload-card {
        padding: 0;
    }

    .card-header {
        padding: var(--spacing-md);
    }

    .upload-form {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .card-header h2 {
        font-size: 1.5rem;
    }

    .form-section h3 {
        font-size: 0.6875rem;
    }

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

    .info-box-top {
        padding: var(--spacing-sm);
    }

    .nav-content {
        padding: 0 var(--spacing-sm);
    }
}

/* Loading State */
.btn.loading .btn-text {
    opacity: 0.7;
}

.btn.loading .btn-loader {
    display: inline-block;
}