/**
 * Timestamp to Date Converter Tool Styles
 */

/* General Layout */
.tool-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Mode Selection */
.mode-section {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.mode-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--background-secondary);
    padding: 0.25rem;
    border-radius: 8px;
    flex-wrap: wrap;
}

.mode-tab {
    flex: 1;
    min-width: 150px;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    text-align: center;
}

.mode-tab:hover {
    background: var(--surface-color);
    color: var(--text-primary);
}

.mode-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Conversion Modes */
.conversion-mode {
    display: none;
    background: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.conversion-mode.active {
    display: block;
}

.conversion-mode h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Input Section */
.input-section {
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.input-field {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.timestamp-format {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.timestamp-format label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
}

.timestamp-format input[type="radio"] {
    margin: 0;
}

/* Date Input Group */
.date-input-group {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.date-time-inputs {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-row label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.date-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Quick Dates */
.quick-dates {
    margin-top: 1.5rem;
}

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

.quick-date-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quick-date {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Output Section */
.output-section {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.date-formats,
.timestamp-formats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.format-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--background-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.format-item label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 150px;
    font-size: 0.9rem;
}

.format-output {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 200px;
}

.format-output span {
    flex: 1;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    color: var(--text-primary);
    background: var(--background-primary);
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    word-break: break-all;
    min-height: 1.5rem;
    display: flex;
    align-items: center;
}

.copy-btn {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

/* Current Time Mode */
.current-time-display {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.live-clock {
    text-align: center;
    padding: 2rem;
    background: var(--background-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.clock-main {
    margin-bottom: 2rem;
}

.current-date-time {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.current-timestamp {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.clock-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* World Clocks */
.timezone-clocks h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.world-clocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.world-clock {
    padding: 1.5rem;
    background: var(--background-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.2s ease;
}

.world-clock:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.timezone-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.timezone-time {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.timezone-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Batch Section */
.batch-section {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.batch-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.batch-content.collapsed {
    display: none;
}

.batch-input {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.batch-textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-primary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.batch-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.batch-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.batch-output {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-primary);
}

.batch-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.batch-result-item.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.batch-input-value {
    flex: 1;
    min-width: 150px;
    color: var(--text-secondary);
}

.batch-output-value {
    flex: 2;
    min-width: 200px;
    color: var(--text-primary);
}

/* Information Section */
.info-section {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-card {
    padding: 1.5rem;
    background: var(--background-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-card h4 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.info-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover:not(:disabled) {
    background: var(--surface-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error States */
.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    margin: 1rem 0;
}

.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(34, 197, 94, 0.3);
    margin: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-content {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .mode-tabs {
        flex-direction: column;
    }
    
    .mode-tab {
        min-width: auto;
    }
    
    .conversion-mode {
        padding: 1.5rem;
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .input-controls {
        justify-content: stretch;
    }
    
    .input-controls .btn {
        flex: 1;
    }
    
    .date-input-group {
        flex-direction: column;
    }
    
    .date-controls {
        flex-direction: row;
    }
    
    .format-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .format-item label {
        min-width: auto;
        margin-bottom: 0.5rem;
    }
    
    .current-date-time {
        font-size: 1.8rem;
    }
    
    .current-timestamp {
        font-size: 1rem;
    }
    
    .world-clocks-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .clock-controls {
        flex-direction: column;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .batch-controls {
        flex-direction: column;
    }
    
    .batch-result-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tool-content {
        padding: 0.5rem;
    }
    
    .conversion-mode {
        padding: 1rem;
    }
    
    .timestamp-format {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .quick-date-buttons {
        flex-direction: column;
    }
    
    .current-date-time {
        font-size: 1.5rem;
    }
    
    .timezone-time {
        font-size: 1.25rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-primary: #0f172a;
        --background-secondary: #1e293b;
        --surface-color: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --border-color: #475569;
        --primary-color: #3b82f6;
        --primary-hover: #2563eb;
        --success-color: #22c55e;
        --error-color: #ef4444;
    }
}