/* CSS Custom Properties for Theme Support */
:root {
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --container-bg: rgba(255, 255, 255, 0.95);
    --header-gradient-start: #2c3e50;
    --header-gradient-end: #34495e;
    --card-bg: white;
    --card-header-bg-start: #f8f9fa;
    --card-header-bg-end: #e9ecef;
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #6c757d;
    --border-color: #e1e5e9;
    --border-light: #dee2e6;
    --input-bg: #f8f9fa;
    --input-focus-bg: white;
    --callsign-color: #9bb5ff;
    --link-color: #667eea;
    --link-hover: #4c63d2;
}

[data-theme="dark"] {
    --bg-gradient-start: #2d3748;
    --bg-gradient-end: #4a5568;
    --container-bg: rgba(26, 32, 44, 0.95);
    --header-gradient-start: #1a202c;
    --header-gradient-end: #2d3748;
    --card-bg: #2d3748;
    --card-header-bg-start: #4a5568;
    --card-header-bg-end: #718096;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --border-light: #718096;
    --input-bg: #4a5568;
    --input-focus-bg: #2d3748;
    --callsign-color: #90cdf4;
    --link-color: #90cdf4;
    --link-hover: #63b3ed;
}

[data-theme="monochrome"] {
    --bg-gradient-start: #3a3a3a;
    --bg-gradient-end: #4a4a4a;
    --container-bg: rgba(35, 35, 35, 0.95);
    --header-gradient-start: #2a2a2a;
    --header-gradient-end: #3a3a3a;
    --card-bg: #3a3a3a;
    --card-header-bg-start: #4a4a4a;
    --card-header-bg-end: #505050;
    --text-primary: #e8e8e8;
    --text-secondary: #d0d0d0;
    --text-muted: #a0a0a0;
    --border-color: #5a5a5a;
    --border-light: #6a6a6a;
    --input-bg: #4a4a4a;
    --input-focus-bg: #3a3a3a;
    --callsign-color: #d0d0d0;
    --link-color: #d0d0d0;
    --link-hover: #e8e8e8;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    color: var(--text-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-primary);
}

.modal-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    text-align: center;
}

.credentials-buttons {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
}

.credentials-buttons .btn {
    flex: 1;
}

.credentials-note {
    margin-top: 1rem !important;
    margin-bottom: 0 !important;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.privacy-notice {
    background: rgba(76, 175, 80, 0.1);
    border-left: 4px solid #4caf50;
    padding: 0.75rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.privacy-notice p {
    margin: 0 !important;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.api-status {
    padding: 0.5rem;
    border-radius: 6px;
    margin-top: 0.5rem;
    text-align: center;
    font-size: 0.9rem;
}

.api-status.connected {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.api-status.demo {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.api-status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

/* Global Link Styles - Remove underlines and prevent purple visited links */
a {
    text-decoration: none;
    color: var(--link-color);
    transition: color 0.3s ease;
}

a:link,
a:visited {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Container Styles */
.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.about-container {
    max-width: 800px;
}

.logs-container {
    max-width: 1200px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--header-gradient-start), var(--header-gradient-end));
    color: white;
    padding: 30px;
    text-align: center;
    position: relative;
    padding-top: 20px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 300;
}

.header p {
    opacity: 0.8;
    font-size: 1.1rem;
}

.callsign {
    color: var(--callsign-color);
    font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 8px 16px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.theme-icon {
    font-size: 1.2rem;
}

/* PWA Install button */
.install-btn {
    background: #28a745;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: none;
    gap: 5px;
}

.install-btn.show {
    display: inline-flex;
    align-items: center;
}

.install-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

[data-theme="dark"] .install-btn {
    background: #20c997;
}

[data-theme="dark"] .install-btn:hover {
    background: #1ba085;
}

/* Delete button styles */
.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
    transition: all 0.2s ease;
    opacity: 0.7;
    z-index: 10;
}

.delete-btn:hover {
    opacity: 1;
    background: #c82333;
    transform: scale(1.1);
}

.delete-btn:active {
    transform: scale(0.95);
}

/* Make callsign cards have relative positioning for absolute delete button */
.callsign-card {
    position: relative;
    padding-right: 45px; /* Add space for delete button */
}

/* Dark theme delete button */
[data-theme="dark"] .delete-btn {
    background: #e74c3c;
}

[data-theme="dark"] .delete-btn:hover {
    background: #c0392b;
}

/* Animation for card removal */
.callsign-card.removing {
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

/* Storage status indicator */
.storage-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #ddd);
    border-radius: 20px;
    padding: 8px 15px;
    font-size: 12px;
    color: var(--text-muted, #666);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

[data-theme="dark"] .storage-status {
    background: var(--dark-card-bg, #2d3748);
    border-color: var(--dark-border-color, #4a5568);
    color: var(--dark-text-muted, #a0aec0);
}

.storage-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #28a745;
}

.storage-indicator.syncing {
    background: #ffc107;
    animation: pulse 1s infinite;
}

.storage-indicator.error {
    background: #dc3545;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Export/Import buttons */
.data-controls {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    align-items: stretch;
    justify-content: center;
}

.data-btn {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #ddd);
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-color, #333);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    box-sizing: border-box;
    line-height: 1;
}

.data-btn:hover {
    background: var(--hover-bg, #f5f5f5);
    border-color: var(--primary-color, #007bff);
}

[data-theme="dark"] .data-btn {
    background: var(--dark-card-bg, #2d3748);
    border-color: var(--dark-border-color, #4a5568);
    color: var(--dark-text, #e2e8f0);
}

[data-theme="dark"] .data-btn:hover {
    background: var(--dark-hover-bg, #4a5568);
}

#importFile {
    display: none;
}

/* Grid square clickable link styles */
.grid-link {
    color: var(--link-color);
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
}

.grid-link:hover {
    color: var(--link-hover);
    text-decoration: none;
}

[data-theme="dark"] .grid-link {
    color: var(--link-color);
}

[data-theme="dark"] .grid-link:hover {
    color: var(--link-hover);
}

/* Monochrome theme specific overrides */
[data-theme="monochrome"] .install-btn {
    background: #606060;
    color: #e8e8e8;
    border: 1px solid #707070;
}

[data-theme="monochrome"] .install-btn:hover {
    background: #707070;
    border-color: #808080;
}

[data-theme="monochrome"] .delete-btn {
    background: #404040;
    color: #e8e8e8;
    border: 1px solid #505050;
}

[data-theme="monochrome"] .delete-btn:hover {
    background: #505050;
    border-color: #606060;
}

[data-theme="monochrome"] .storage-status {
    background: #3a3a3a;
    border-color: #5a5a5a;
    color: #a0a0a0;
}

[data-theme="monochrome"] .data-btn {
    background: #3a3a3a;
    border-color: #5a5a5a;
    color: #e8e8e8;
}

[data-theme="monochrome"] .data-btn:hover {
    background: #4a4a4a;
    border-color: #6a6a6a;
}

[data-theme="monochrome"] .grid-link {
    color: var(--link-color);
}

[data-theme="monochrome"] .grid-link:hover {
    color: var(--link-hover);
}

/* Monochrome overrides for all colored elements */
[data-theme="monochrome"] .success {
    background: #4a4a4a;
    color: #d0d0d0;
    border: 1px solid #6a6a6a;
}

[data-theme="monochrome"] .warning {
    background: #404040;
    color: #d0d0d0;
    border: 1px solid #5a5a5a;
}

[data-theme="monochrome"] .error {
    background: #353535;
    color: #d0d0d0;
    border: 1px solid #505050;
}

[data-theme="monochrome"] .btn-primary,
[data-theme="monochrome"] .btn-success,
[data-theme="monochrome"] .lookup-btn,
[data-theme="monochrome"] .suggestion-btn {
    background: #606060 !important;
    color: #e8e8e8 !important;
    border: 1px solid #707070 !important;
}

[data-theme="monochrome"] .btn-primary:hover,
[data-theme="monochrome"] .btn-success:hover,
[data-theme="monochrome"] .lookup-btn:hover,
[data-theme="monochrome"] .suggestion-btn:hover {
    background: #707070 !important;
    border-color: #808080 !important;
}

[data-theme="monochrome"] .btn-danger {
    background: #404040 !important;
    color: #e8e8e8 !important;
    border: 1px solid #505050 !important;
}

[data-theme="monochrome"] .btn-danger:hover {
    background: #505050 !important;
    border-color: #606060 !important;
}

[data-theme="monochrome"] .btn-warning {
    background: #505050 !important;
    color: #e8e8e8 !important;
    border: 1px solid #606060 !important;
}

[data-theme="monochrome"] .btn-warning:hover {
    background: #606060 !important;
    border-color: #707070 !important;
}

/* Remove all colored gradients and borders */
[data-theme="monochrome"] .header,
[data-theme="monochrome"] .search-section,
[data-theme="monochrome"] .result-card,
[data-theme="monochrome"] .suggestion-form,
[data-theme="monochrome"] .back-link {
    background: #3a3a3a !important;
    border-left: 4px solid #6a6a6a !important;
    border-top: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .error-card,
[data-theme="monochrome"] .success-card {
    background: #404040 !important;
}

[data-theme="monochrome"] .status-success {
    color: #b0b0b0 !important;
}

[data-theme="monochrome"] .status-error {
    color: #d0d0d0 !important;
}

[data-theme="monochrome"] .highlight-box {
    background: #404040 !important;
    border-left: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .tech-list li::before {
    color: #a0a0a0 !important;
}

[data-theme="monochrome"] .callsign,
[data-theme="monochrome"] .callsign-link {
    color: #d0d0d0 !important;
}

/* Override any remaining color gradients */
[data-theme="monochrome"] * {
    background-image: none !important;
}

/* Force monochrome body and major layout elements */
[data-theme="monochrome"] body {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%) !important;
}

[data-theme="monochrome"] .header {
    background: var(--card-header-bg-start) !important;
    color: var(--text-primary) !important;
}

[data-theme="monochrome"] .container {
    background: var(--container-bg) !important;
}

[data-theme="monochrome"] .card-header {
    background: var(--card-header-bg-start) !important;
    color: var(--text-primary) !important;
}

[data-theme="monochrome"] .btn,
[data-theme="monochrome"] .suggestion-btn,
[data-theme="monochrome"] .clear-btn {
    background: #606060 !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .btn:hover,
[data-theme="monochrome"] .suggestion-btn:hover,
[data-theme="monochrome"] .clear-btn:hover {
    background: #707070 !important;
}

[data-theme="monochrome"] .error {
    background: #404040 !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .success-message {
    background: #4a4a4a !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .error-message {
    background: #353535 !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .info-box {
    background: var(--card-header-bg-start) !important;
    color: var(--text-primary) !important;
}

[data-theme="monochrome"] .contributor-header {
    background: var(--card-header-bg-start) !important;
    color: var(--text-primary) !important;
}

[data-theme="monochrome"] .contribution-type {
    background: #606060 !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .stat-card {
    background: var(--card-header-bg-start) !important;
    color: var(--text-primary) !important;
}

[data-theme="monochrome"] .log-table th {
    background: #606060 !important;
    color: #e8e8e8 !important;
}

[data-theme="monochrome"] .back-link {
    background: #606060 !important;
    color: #e8e8e8 !important;
}

/* Fix demo mode banner and API status indicators */
[data-theme="monochrome"] #apiStatus.api-status.demo,
[data-theme="monochrome"] .api-status.demo {
    background: #4a4a4a !important;
    color: #d0d0d0 !important;
    border: 1px solid #6a6a6a !important;
}

[data-theme="monochrome"] #apiStatus.api-status.connected,
[data-theme="monochrome"] .api-status.connected {
    background: #505050 !important;
    color: #d0d0d0 !important;
    border: 1px solid #6a6a6a !important;
}

[data-theme="monochrome"] #apiStatus.api-status.error,
[data-theme="monochrome"] .api-status.error {
    background: #404040 !important;
    color: #d0d0d0 !important;
    border: 1px solid #5a5a5a !important;
}

[data-theme="monochrome"] #apiStatus {
    background: #4a4a4a !important;
    color: #d0d0d0 !important;
    border: 1px solid #6a6a6a !important;
}

[data-theme="monochrome"] .storage-indicator.syncing {
    background: #606060 !important;
    color: #e8e8e8 !important;
}

/* Fix any yellow warning borders and indicators */
[data-theme="monochrome"] *[style*="#ffc107"],
[data-theme="monochrome"] *[style*="#ffeb3b"],
[data-theme="monochrome"] *[style*="#fff3cd"] {
    background: #4a4a4a !important;
    color: #d0d0d0 !important;
    border-color: #6a6a6a !important;
}

/* Override inline yellow border styles */
[data-theme="monochrome"] .demo-notice,
[data-theme="monochrome"] .warning-notice {
    background: #4a4a4a !important;
    color: #d0d0d0 !important;
    border-left: 4px solid #6a6a6a !important;
}

/* Fix all blue separator lines and borders in monochrome mode */
[data-theme="monochrome"] .spinner {
    border-top: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .card {
    border-left: 5px solid #6a6a6a !important;
}

[data-theme="monochrome"] h2 {
    border-bottom: 2px solid #6a6a6a !important;
}

[data-theme="monochrome"] .about-container .back-link,
[data-theme="monochrome"] .logs-container .back-link {
    border-left: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .highlight-box,
[data-theme="monochrome"] .contributor-header,
[data-theme="monochrome"] .stat-card {
    border-left: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .contribution-type {
    background: #606060 !important;
}

[data-theme="monochrome"] .success-card {
    border-left: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .demo-notice {
    border-left: 4px solid #6a6a6a !important;
}

[data-theme="monochrome"] .stat-number {
    color: #d0d0d0 !important;
}

[data-theme="monochrome"] .log-item {
    border-left: 3px solid #6a6a6a !important;
}

[data-theme="monochrome"] .back-link {
    background: #606060 !important;
}

/* Search Section (Main Page) */
.search-section {
    padding: 40px;
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.search-form {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.input-group {
    flex: 1;
    min-width: 200px;
}

/* Form Elements */
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

input[type="text"] {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-primary);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--input-focus-bg);
}

input[type="password"] {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background: var(--input-bg);
    transition: all 0.3s ease;
    color: var(--text-primary);
}

input[type="password"]:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--input-focus-bg);
}

input[type="email"] {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-primary);
}

input[type="email"]:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--input-focus-bg);
}

select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

select:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-primary);
    min-height: 120px;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--input-focus-bg);
}

/* Button Styles */
.btn, .suggestion-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover, .suggestion-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

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

.clear-btn {
    background: linear-gradient(135deg, #dc3545, #c82333);
    margin-left: 10px;
}

.clear-btn:hover {
    box-shadow: 0 10px 20px rgba(220, 53, 69, 0.3);
}

/* Loading Spinner */
.loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results Section (Main Page) */
.results-section {
    padding: 0 40px 40px;
}

/* SEO Content Section */
.seo-content {
    padding: 40px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.seo-section {
    margin-bottom: 30px;
}

.seo-section h2 {
    color: var(--text-primary);
    font-size: 1.6rem;
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.seo-section h3 {
    color: var(--text-secondary);
    font-size: 1.3rem;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.seo-section p {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.seo-section ul {
    color: var(--text-primary);
    padding-left: 20px;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.seo-section li {
    margin-bottom: 8px;
}

.seo-section strong {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.callsign-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
    border-left: 5px solid #667eea;
    transition: all 0.3s ease;
}

.callsign-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--card-header-bg-start), var(--card-header-bg-end));
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.callsign-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
    transition: color 0.3s ease;
}

.callsign-title a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.callsign-title a:hover {
    color: var(--link-hover);
}

.callsign-title a:visited {
    color: var(--link-color);
}

.lookup-time {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.card-body {
    padding: 25px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.info-value {
    color: var(--text-primary);
    flex: 1;
    transition: color 0.3s ease;
}

.info-value a {
    color: var(--link-color);
    transition: color 0.3s ease;
}

.info-value a:hover {
    color: var(--link-hover);
}

/* Error and Status Messages */
.error {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
}

.no-results {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.success {
    color: #28a745;
    font-weight: bold;
}

.failed {
    color: #dc3545;
    font-weight: bold;
}

.success-message {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
    display: none;
}

.error-message {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
    display: none;
}

/* About Page Styles */
.content {
    padding: 40px;
    line-height: 1.6;
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.content h2 {
    color: var(--text-primary);
    margin: 30px 0 20px 0;
    font-size: 1.8rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
    transition: color 0.3s ease;
    display: block;
    clear: both;
}

.content h2:first-of-type {
    margin-top: 0;
}

.content h3 {
    color: var(--text-secondary);
    margin: 25px 0 15px 0;
    font-size: 1.3rem;
    transition: color 0.3s ease;
    display: block;
    clear: both;
}

.content p {
    margin-bottom: 15px;
    color: var(--text-primary);
    transition: color 0.3s ease;
    display: block;
    clear: both;
}

.content ul {
    color: var(--text-primary);
    transition: color 0.3s ease;
    margin-bottom: 15px;
    padding-left: 20px;
    display: block;
    clear: both;
}

.content ul li {
    margin-bottom: 5px;
    list-style-type: disc;
}

.content strong {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.highlight-box {
    background: linear-gradient(135deg, var(--card-header-bg-start), var(--card-header-bg-end));
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.highlight-box p {
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color 0.3s ease;
    text-align: center;
    font-weight: 600;
}

.tech-list {
    background: var(--input-bg);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    transition: background 0.3s ease;
}

.tech-list ul {
    list-style-type: disc !important;
    padding-left: 20px !important;
    color: var(--text-primary);
    transition: color 0.3s ease;
    margin: 0 !important;
}

.tech-list li {
    padding: 5px 0;
    color: var(--text-primary);
    transition: color 0.3s ease;
    position: static !important;
    padding-left: 0 !important;
}

.tech-list li:before {
    display: none !important;
}

.tech-list strong {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

/* Suggestion Box Page Styles */
.form-section {
    padding: 40px;
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.suggestion-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--text-primary);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--input-focus-bg);
}

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

.form-group select {
    cursor: pointer;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.suggestion-btn {
    width: 100%;
}

.info-box {
    background: linear-gradient(135deg, var(--card-header-bg-start), var(--card-header-bg-end));
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.info-box h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.info-box p {
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.suggestion-back-link {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.suggestion-back-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Honor Roll Specific Styles */
.contributor-section {
    margin-bottom: 30px;
}

.contributor-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
    border-left: 5px solid #667eea;
    transition: all 0.3s ease;
}

.contributor-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.contributor-header {
    background: linear-gradient(135deg, var(--card-header-bg-start), var(--card-header-bg-end));
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.contributor-callsign {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
    transition: color 0.3s ease;
}

.contributor-callsign a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contributor-callsign a:hover {
    color: var(--link-hover);
}

.contributor-callsign a:visited {
    color: var(--link-color);
}

.contributor-location {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.contributor-body {
    padding: 20px;
}

.contribution-type {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contribution-description {
    color: var(--text-primary);
    line-height: 1.6;
    transition: color 0.3s ease;
}

/* Supporters List */
.supporter-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.supporter-item {
    background: var(--input-bg);
    padding: 15px 20px;
    border-radius: 10px;
    border-left: 4px solid #28a745;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.supporter-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.supporter-callsign a {
    color: var(--link-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.supporter-callsign a:hover {
    color: var(--link-hover);
}

.supporter-callsign a:visited {
    color: var(--link-color);
}

.supporter-badge {
    background: #28a745;
    color: white;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Beta Tester Grid */
.beta-tester-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.beta-tester-item {
    background: var(--input-bg);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #ffc107;
    text-align: center;
    transition: all 0.3s ease;
}

.beta-tester-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.beta-tester-item a {
    color: var(--link-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.beta-tester-item a:hover {
    color: var(--link-hover);
}

.beta-tester-item a:visited {
    color: var(--link-color);
}

/* Logs Page Styles */
.stats-section {
    padding: 30px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: linear-gradient(135deg, var(--card-header-bg-start), var(--card-header-bg-end));
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
    transition: color 0.3s ease;
}

.controls {
    padding: 30px;
    background: var(--input-bg);
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.control-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.control-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.controls label {
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.controls input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.controls input:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.logs-section {
    padding: 30px;
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.log-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.log-table th {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.log-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.log-table tr:hover {
    background: var(--input-bg);
}

.timestamp {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.logs-stats-section h3 {
    margin: 20px 0 10px 0;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.most-looked-up {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.most-looked-up-item {
    background: var(--card-header-bg-start);
    padding: 10px 15px;
    border-radius: 5px;
    border-left: 3px solid #667eea;
    transition: all 0.3s ease;
}

.most-looked-up-item strong {
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* Footer and Navigation Styles */
.footer-links {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--border-light);
    margin-top: 20px;
    transition: border-color 0.3s ease;
}

.footer-links a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-right: 20px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-links a:visited {
    color: var(--link-color);
}

.version-info {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 10px;
    font-style: italic;
    transition: color 0.3s ease;
}

.back-link {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    transition: border-color 0.3s ease;
}

.back-link a {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-link a:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.back-link a:visited {
    color: white;
}

/* Sitemap Specific Styles */
.sitemap-section {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--input-bg);
    border-radius: 10px;
    border-left: 4px solid var(--link-color);
    transition: all 0.3s ease;
}

.sitemap-section h3 {
    margin-bottom: 15px;
}

.sitemap-section h3 a {
    color: var(--text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

.sitemap-section h3 a:hover {
    color: var(--link-color);
}

.sitemap-section h3 a:visited {
    color: var(--text-primary);
}

.sitemap-section p {
    margin-bottom: 10px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sitemap-section ul {
    margin-left: 20px;
}

.sitemap-section ul li {
    margin-bottom: 5px;
    color: var(--text-primary);
}

.sitemap-section ul a {
    color: var(--link-color);
}

.sitemap-section ul a:hover {
    color: var(--link-hover);
}

.sitemap-section ul a:visited {
    color: var(--link-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-form, .form-row {
        flex-direction: column;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .search-section, .results-section, .content, .stats-section, .controls, .logs-section, .form-section {
        padding: 20px;
    }

    .control-row {
        flex-direction: column;
        align-items: stretch;
    }

    .control-group {
        flex-direction: column;
        align-items: stretch;
    }

    .most-looked-up {
        flex-direction: column;
    }

    .form-row {
        gap: 0;
    }
    
    .header {
        position: relative;
        padding-top: 60px;
        padding-bottom: 20px;
    }

    .theme-toggle {
        position: static;
        margin: 10px auto 0;
        display: inline-flex;
    }

    /* Honor Roll responsive adjustments */
    .supporter-list {
        grid-template-columns: 1fr;
    }
    
    .beta-tester-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .supporter-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}