/* SAME Encoder/Decoder Styles */
/* Pure CSS - no external dependencies */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --success-hover: #059669;
    --error-color: #ef4444;
    --error-hover: #dc2626;
    --alert-color: #f59e0b;
    --alert-hover: #d97706;
    --alert-light: #fef3c7;
    --alert-border: #fbbf24;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--alert-color) 0%, var(--alert-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-button:hover {
    color: var(--text-primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.tab-button.active {
    color: var(--alert-hover);
    border-bottom-color: var(--alert-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Sections */
.section {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--alert-color);
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--alert-hover);
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
}

.section h2::before {
    content: '';
    width: 4px;
    min-height: 1.5rem;
    background: linear-gradient(180deg, var(--alert-color) 0%, var(--alert-hover) 100%);
    border-radius: 2px;
    align-self: stretch;
}

.section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group select,
.form-group input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    background-color: #fafbfc;
    transition: all 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
    outline: none;
    background-color: var(--surface-color);
    border-color: var(--alert-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-group input[type="file"] {
    padding: 0.5rem;
}

.help-text {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* County Search Results */
.search-results {
    position: relative;
    margin-top: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.search-result-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--bg-color);
}

.search-result-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-color);
}

.search-result-item.no-results {
    cursor: default;
    color: var(--text-secondary);
    text-align: center;
}

.search-result-item .fips-code {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: monospace;
}

/* Selected Counties */
.selected-counties {
    min-height: 3rem;
    padding: 0.5rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.county-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    white-space: nowrap;
}

.county-tag.subdivision-tag {
    background: linear-gradient(135deg, var(--alert-color) 0%, var(--alert-hover) 100%);
}

.remove-county {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    margin-left: 0.25rem;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.remove-county:hover {
    opacity: 1;
}

/* Subdivision Selector */
.subdivision-selector {
    margin-top: 0.75rem;
    padding: 1rem;
    background-color: #fffbf0;
    border: 2px solid #f5e6c8;
    border-radius: 0.375rem;
    box-shadow: var(--shadow-md);
}

.subdivision-selector-header {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.subdivision-options-container {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    align-items: start;
    justify-content: center;
}

.whole-county-option {
    flex: 0 0 auto;
}

.whole-county-option .subdivision-checkbox-wrapper {
    font-weight: 600;
}

.subdivision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    flex: 0 0 auto;
}

.subdivision-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subdivision-grid .subdivision-checkbox-wrapper {
    padding: 0.4rem 0.5rem;
    justify-content: center;
}

.subdivision-checkbox-wrapper:hover {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
}

.subdivision-checkbox-wrapper input[type="checkbox"] {
    cursor: pointer;
    width: 1rem;
    height: 1rem;
    margin: 0;
}

.subdivision-checkbox-wrapper input[type="checkbox"]:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.subdivision-checkbox-wrapper .subdivision-label {
    cursor: pointer;
    font-size: 0.875rem;
    user-select: none;
    flex: 1;
}

.subdivision-grid .subdivision-checkbox-wrapper .subdivision-label {
    font-size: 0.8125rem;
    font-weight: 500;
    flex: 0;
}

.subdivision-grid.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.subdivision-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.subdivision-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Mobile responsive adjustments */
@media (max-width: 640px) {
    .subdivision-options-container {
        flex-direction: column;
        gap: 1rem;
    }

    .subdivision-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .subdivision-checkbox-wrapper {
        padding: 0.4rem;
    }

    .subdivision-checkbox-wrapper .subdivision-label {
        font-size: 0.8125rem;
    }
}

/* Buttons */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--alert-color) 0%, var(--alert-hover) 100%);
    color: white;
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--alert-hover) 0%, #b45309 100%);
}

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

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

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

.btn-success:hover {
    background-color: var(--success-hover);
}

/* Output Boxes */
.output-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.output-box h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.output-box pre {
    background-color: var(--surface-color);
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    border: 1px solid var(--border-color);
}

.output-box.hidden {
    display: none;
}

/* Audio Player */
#audio-player {
    width: 100%;
    margin-bottom: 1rem;
}

/* Error Box */
.error-box {
    position: fixed;
    top: 2rem;
    right: 2rem;
    max-width: 400px;
    padding: 1rem 1.5rem;
    background-color: var(--error-color);
    color: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.error-box.hidden {
    display: none;
}

.error-close {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: white;
    opacity: 0.8;
}

.error-close:hover {
    opacity: 1;
}

#error-message {
    margin: 0;
    padding-right: 1.5rem;
}

/* Loading Spinner */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading p {
    color: white;
    margin-top: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Reference Tables */
.reference-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

.reference-table th,
.reference-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.reference-table th {
    background-color: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
}

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

.reference-table tr:hover {
    background-color: var(--bg-color);
}

/* Code Blocks */
.code-block {
    background-color: var(--surface-color);
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    border: 1px solid var(--border-color);
    margin: 1rem 0;
}

/* Event Codes Grid */
.event-codes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.event-code-item {
    padding: 0.75rem 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.event-code-item strong {
    color: var(--primary-color);
    font-weight: 600;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .tabs {
        overflow-x: auto;
        white-space: nowrap;
    }

    .button-group {
        flex-direction: column;
    }

    .event-codes-grid {
        grid-template-columns: 1fr;
    }

    .error-box {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }

    .audio-outputs {
        grid-template-columns: 1fr;
    }
}

/* Message Preview and Audio Outputs */
.message-preview {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
}

.message-preview strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.message-preview pre {
    margin: 0;
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
}

.audio-outputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .audio-outputs {
        grid-template-columns: 1fr;
    }
}

.audio-output-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.5rem;
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    transition: border-color 0.2s ease;
}

.audio-output-item:hover {
    border-color: var(--primary-color);
}

.audio-output-item h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.audio-output-item audio {
    width: 100%;
}

.audio-output-item .btn {
    width: 100%;
}

/* Decoded Message Display */
.decoded-message {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.decode-warning {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.decode-warning strong {
    display: block;
    color: #856404;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.decode-warning p {
    color: #856404;
    margin: 0;
    font-size: 0.875rem;
}

.decode-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.decode-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.decode-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.05em;
}

.decode-section p {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0.25rem 0;
}

.decode-highlight {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

.decode-detail {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: monospace;
}

.location-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
}

.location-list li {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-color);
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.location-list li:last-child {
    margin-bottom: 0;
}

.decode-section code {
    display: block;
    background-color: var(--bg-color);
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    font-family: "Courier New", monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    overflow-x: auto;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem 0 1rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-link {
    color: var(--alert-hover);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--alert-color);
    text-decoration: underline;
}

/* Hidden Utility */
.hidden {
    display: none !important;
}