/* Timer Header */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tool-header p {
    color: var(--text-color);
    font-size: 1.1rem;
}

/* Timer Switcher */
.timer-switcher {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.timer-mode {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    background-color: #f0f0f0;
    color: #333;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.timer-mode:hover {
    background-color: #e0e0e0;
}

.timer-mode.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Timer Container */
.timer-container {
    max-width: 800px;
    margin: 0 auto;
}

.timer-section {
    display: none;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.timer-section.active {
    display: block;
    border-color: var(--primary-color);
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0.7; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Timer Display */
.timer-display {
    text-align: center;
    font-size: 3rem;
    font-family: monospace;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Timer Controls */
.timer-controls {
    text-align: center;
    margin-bottom: 2rem;
}

.timer-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.timer-button {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.timer-button:hover:not(:disabled) {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.timer-button:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.timer-button:disabled {
    background-color: #e0e0e0;
    border-color: #ccc;
    color: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Time Inputs */
.time-inputs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.time-inputs input {
    width: 80px;
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

/* Quick Add Buttons */
.quick-add-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quick-add {
    padding: 0.5rem 1rem;
    background-color: #f0f0f0;
    color: #333;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.quick-add:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.quick-add:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Laps Container */
.laps-container {
    margin: 2rem 0;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.laps-container h3 {
    margin: 0 0 1rem 0;
    color: var(--primary-color);
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.laps-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lap-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}

.lap-item:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.lap-info {
    display: flex;
    flex-direction: column;
}

.lap-number {
    font-weight: bold;
    color: #333;
    margin-right: 1rem;
    min-width: 2rem;
}

.lap-time {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.lap-total {
    font-size: 0.9rem;
    color: #666;
}

.lap-actions {
    display: flex;
    gap: 0.5rem;
}

.lap-button {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.lap-button:hover {
    background-color: #f0f0f0;
    color: var(--primary-color);
}

.lap-button.copy {
    color: #4CAF50;
}

.lap-button.delete {
    color: #f44336;
}

/* 複製通知 */
.copy-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    background-color: #4CAF50;
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.copy-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 空狀態提示 */
.empty-message {
    color: #666;
    text-align: center;
    padding: 1rem;
    font-style: italic;
}

/* Timer Description */
.timer-description {
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
    margin-top: 2rem;
}

.timer-description p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 2rem;
    }

    .timer-display {
        font-size: 2.5rem;
    }

    .timer-switcher {
        flex-wrap: wrap;
    }

    .timer-button {
        padding: 0.6rem 1.5rem;
    }
}