/* ===========================================
   SCP Foundation Testprotokoll Generator
   Stylesheet - Professional Document Style
   =========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-dark: #0a0a0a;
    --color-bg-main: #121212;
    --color-bg-panel: #1a1a1a;
    --color-bg-input: #252525;
    --color-bg-hover: #2a2a2a;
    
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    
    --color-border: #333333;
    --color-border-light: #444444;
    
    --color-accent: #c9a227;
    --color-accent-hover: #d4b23a;
    
    --color-safe: #4caf50;
    --color-euclid: #ffc107;
    --color-keter: #f44336;
    --color-thaumiel: #9c27b0;
    --color-apollyon: #880e4f;
    --color-neutralized: #607d8b;
    
    --color-danger: #d32f2f;
    --color-success: #388e3c;
    --color-warning: #f57c00;
    
    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Share Tech Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ===========================================
   Authentication Screen
   =========================================== */
.auth-screen {
    display: none;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-main) 100%);
    padding: var(--spacing-xl);
}

.auth-screen.active {
    display: flex;
}

.auth-container {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.auth-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
}

.auth-logo .foundation-logo {
    color: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(201, 162, 39, 0.4));
}

.auth-container h1 {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 1.75rem;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.auth-tab {
    flex: 1;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    padding: var(--spacing-md);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.auth-tab:hover {
    color: var(--color-text-primary);
}

.auth-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.auth-form {
    display: none;
    text-align: left;
}

.auth-form.active {
    display: block;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===========================================
   Header
   =========================================== */
.main-header {
    background: linear-gradient(180deg, var(--color-bg-panel) 0%, var(--color-bg-main) 100%);
    border-bottom: 2px solid var(--color-accent);
    padding: var(--spacing-md) var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-right: var(--spacing-lg);
    border-right: 1px solid var(--color-border);
}

.user-name {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

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

.scp-logo {
    width: 60px;
    height: 60px;
}

.foundation-logo {
    color: var(--color-accent);
    filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.4));
}

.title-section h1 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(201, 162, 39, 0.3);
}

.title-section .subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-light);
    color: var(--color-text-primary);
}

.nav-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-dark);
    font-weight: 500;
}

/* ===========================================
   Main Content
   =========================================== */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* ===========================================
   Editor View
   =========================================== */
.editor-container {
    display: flex;
    gap: var(--spacing-xl);
}

.form-panel {
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
}

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

.panel-header h2 {
    font-size: 1.25rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

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

.template-selector label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.template-selector select {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
}

/* Form Styles */
#protocol-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.form-section {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.form-section legend {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-number {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.2);
}

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

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

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text-primary);
}

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

/* Logo Upload */
.logo-preview {
    margin-top: var(--spacing-sm);
    max-width: 150px;
    max-height: 150px;
}

.logo-preview img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-light);
}

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

.btn-danger:hover {
    background: #b71c1c;
    border-color: #b71c1c;
}

/* ===========================================
   Preview View
   =========================================== */
.preview-container {
    max-width: 900px;
    margin: 0 auto;
}

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

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

/* Protocol Document Styles */
.protocol-document {
    background: #f5f5f0;
    color: #1a1a1a;
    padding: var(--spacing-xxl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-family: 'Courier New', monospace;
    position: relative;
    overflow: hidden;
}

.protocol-document::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, 
        var(--color-danger) 0%, 
        var(--color-danger) 33%, 
        var(--color-bg-dark) 33%, 
        var(--color-bg-dark) 66%, 
        var(--color-danger) 66%);
}

.protocol-header {
    text-align: center;
    border-bottom: 3px double #333;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.protocol-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
}

.protocol-logo svg {
    width: 100%;
    height: 100%;
    color: #1a1a1a;
}

.protocol-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.protocol-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
    color: #000;
}

.protocol-subtitle {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: var(--spacing-md);
}

.classification-banner {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.classification-banner.safe {
    background: var(--color-safe);
    color: white;
}

.classification-banner.euclid {
    background: var(--color-euclid);
    color: #1a1a1a;
}

.classification-banner.keter {
    background: var(--color-keter);
    color: white;
}

.classification-banner.thaumiel {
    background: var(--color-thaumiel);
    color: white;
}

.classification-banner.apollyon {
    background: var(--color-apollyon);
    color: white;
}

.classification-banner.neutralized {
    background: var(--color-neutralized);
    color: white;
}

.protocol-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    font-size: 0.9rem;
    color: #555;
}

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

.protocol-section-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #000;
    border-bottom: 2px solid #333;
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.protocol-section-title::before {
    content: '■';
    color: var(--color-danger);
}

.protocol-content {
    font-size: 0.95rem;
    line-height: 1.8;
    white-space: pre-wrap;
}

.protocol-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.protocol-table th,
.protocol-table td {
    border: 1px solid #333;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
}

.protocol-table th {
    background: #ddd;
    font-weight: 700;
}

.protocol-table td {
    background: #fff;
}

.protocol-box {
    background: #fff;
    border: 2px solid #333;
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.protocol-box.warning {
    border-color: var(--color-warning);
    background: #fff3e0;
}

.protocol-box.danger {
    border-color: var(--color-danger);
    background: #ffebee;
}

.protocol-footer {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-lg);
    border-top: 3px double #333;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

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

.signature-line {
    width: 250px;
    border-bottom: 1px solid #333;
    margin-bottom: var(--spacing-xs);
    min-height: 40px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    font-style: italic;
}

.signature-label {
    font-size: 0.8rem;
    color: #555;
}

.document-stamp {
    text-align: right;
    font-size: 0.75rem;
    color: #777;
}

.stamp-classified {
    display: inline-block;
    border: 3px solid var(--color-danger);
    color: var(--color-danger);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 700;
    letter-spacing: 2px;
    transform: rotate(-5deg);
    opacity: 0.8;
}

/* Redacted Text */
.redacted {
    background: #000;
    color: #000;
    padding: 0 2px;
    user-select: none;
    cursor: default;
    letter-spacing: -1px;
    font-weight: bold;
}

.redacted:hover {
    cursor: not-allowed;
}

/* Redaction Mode */
.protocol-document.redaction-mode {
    cursor: text;
    user-select: text;
}

.protocol-document.redaction-mode::selection {
    background: rgba(255, 235, 59, 0.3);
}

/* Redaction Button States */
.btn-warning {
    background: var(--color-warning);
    color: white;
    border-color: var(--color-warning);
}

.btn-warning:hover {
    background: #e65100;
    border-color: #e65100;
}

.btn-warning.active {
    background: var(--color-success);
    border-color: var(--color-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
    }
}

/* ===========================================
   Archive View
   =========================================== */
.archive-container {
    max-width: 900px;
    margin: 0 auto;
}

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

.archive-header h2 {
    font-size: 1.25rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xs);
}

.archive-header p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

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

.archive-item {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.archive-item:hover {
    border-color: var(--color-border-light);
    background: var(--color-bg-hover);
}

.archive-item-info h3 {
    font-size: 1rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.archive-item-info p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.archive-item-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.meta-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-input);
    color: var(--color-text-secondary);
}

.meta-tag.safe { background: var(--color-safe); color: white; }
.meta-tag.euclid { background: var(--color-euclid); color: #1a1a1a; }
.meta-tag.keter { background: var(--color-keter); color: white; }
.meta-tag.thaumiel { background: var(--color-thaumiel); color: white; }
.meta-tag.apollyon { background: var(--color-apollyon); color: white; }
.meta-tag.neutralized { background: var(--color-neutralized); color: white; }

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

.archive-empty {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.archive-empty p {
    margin-bottom: var(--spacing-lg);
}

/* ===========================================
   Footer
   =========================================== */
.main-footer {
    background: var(--color-bg-panel);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.classification-warning {
    color: var(--color-danger);
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ===========================================
   Toast Notifications
   =========================================== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

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

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

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

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

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    font-size: 1.2rem;
    line-height: 1;
}

.toast-close:hover {
    color: var(--color-text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===========================================
   Modal
   =========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.modal-content h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* Share Modal Styles */
.share-link-box {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.share-link-input {
    flex: 1;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.share-link-info {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-align: left;
}

#existing-links {
    text-align: left;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
}

#existing-links h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

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

.existing-link-info {
    flex: 1;
}

.existing-link-url {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    word-break: break-all;
}

.existing-link-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.link-expired {
    color: var(--color-danger);
    font-weight: bold;
}

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

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 768px) {
    .main-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo-section {
        gap: var(--spacing-md);
    }
    
    .scp-logo {
        width: 45px;
        height: 45px;
    }
    
    .title-section h1 {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    
    .title-section .subtitle {
        font-size: 0.75rem;
    }
    
    .main-nav {
        width: 100%;
        justify-content: space-between;
    }
    
    .nav-btn {
        flex: 1;
        justify-content: center;
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .nav-btn .btn-icon {
        display: none;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .preview-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-group {
        flex-direction: column;
    }
    
    .action-group .btn {
        width: 100%;
    }
    
    .protocol-document {
        padding: var(--spacing-lg);
    }
    
    .protocol-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .protocol-footer {
        flex-direction: column;
        gap: var(--spacing-xl);
        align-items: center;
    }
    
    .archive-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .archive-item-actions {
        width: 100%;
    }
    
    .archive-item-actions .btn {
        flex: 1;
    }
    
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }
    
    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .template-selector {
        width: 100%;
    }
    
    .template-selector select {
        flex: 1;
    }
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .main-header,
    .main-footer,
    .preview-actions,
    .toast-container,
    .modal-overlay {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
        max-width: none;
    }
    
    .protocol-document {
        box-shadow: none;
        border-radius: 0;
        padding: 20mm;
    }
    
    .protocol-document::before {
        display: none;
    }
    
    .classification-banner {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}