/* PomodoroTodo.css - 極簡番茄鐘 + 任務清單專屬樣式 */
/* ⚠️ 禁止重定義全域類別: .glass-card, .form-input, .btn-custom, .btn-sponsor 等 */

/* ======================
   計時器模式標籤
   ====================== */
.timer-mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: rgba(102, 126, 234, 0.1);
    padding: 6px;
    border-radius: 12px;
}

.mode-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-tab:hover {
    background: rgba(255, 255, 255, 0.5);
    color: #667eea;
}

.mode-tab.active {
    background: white;
    color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

.mode-tab.active[data-mode="work"] {
    color: #e53e3e;
}

.mode-tab.active[data-mode="shortBreak"] {
    color: #38a169;
}

.mode-tab.active[data-mode="longBreak"] {
    color: #3182ce;
}

/* ======================
   計時器顯示區
   ====================== */
.timer-display-container {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.timer-progress-ring {
    position: relative;
    width: 220px;
    height: 220px;
}

.progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: rgba(102, 126, 234, 0.15);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: #e53e3e;
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke 0.3s ease;
}

.progress-ring-fill.work-mode {
    stroke: #e53e3e;
}

.progress-ring-fill.short-break-mode {
    stroke: #38a169;
}

.progress-ring-fill.long-break-mode {
    stroke: #3182ce;
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Roboto Mono', monospace;
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a202c;
    letter-spacing: 2px;
}

/* ======================
   計時器控制按鈕
   ====================== */
.timer-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 20px 0;
}

.timer-btn {
    min-width: 100px;
    padding: 12px 24px;
    font-size: 1rem;
}

.timer-btn.btn-lg {
    min-width: 140px;
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* ======================
   番茄進度指示器
   ====================== */
.pomodoro-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 15px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 12px;
}

.progress-label {
    color: #64748b;
    font-size: 0.9rem;
}

.pomodoro-dots {
    display: flex;
    gap: 8px;
}

.pomodoro-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(229, 62, 62, 0.2);
    border: 2px solid rgba(229, 62, 62, 0.3);
    transition: all 0.3s ease;
}

.pomodoro-dot.completed {
    background: #e53e3e;
    border-color: #e53e3e;
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(229, 62, 62, 0.4);
}

.progress-count {
    color: #1a202c;
    font-weight: 600;
    font-size: 0.95rem;
}

/* ======================
   統計卡片
   ====================== */
.stats-row {
    margin-bottom: 0;
}

.stat-card {
    text-align: center;
    padding: 15px 10px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 12px;
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.stat-value {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
}

.stat-unit {
    font-size: 0.9rem;
    font-weight: 400;
    color: #64748b;
}

.stat-label {
    font-size: 0.85rem;
    color: #64748b;
    margin-top: 4px;
}

/* ======================
   任務清單
   ====================== */
.add-task-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.add-task-container .form-input {
    flex: 1;
}

.add-task-container .btn {
    flex-shrink: 0;
    width: 48px;
    padding: 10px;
}

.task-list {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 15px;
}

.task-list::-webkit-scrollbar {
    width: 6px;
}

.task-list::-webkit-scrollbar-track {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 3px;
}

.task-list::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 3px;
}

.task-list::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

.empty-tasks {
    text-align: center;
    padding: 40px 20px;
    color: #94a3b8;
}

.empty-tasks i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-tasks p {
    margin: 0;
    font-size: 0.95rem;
}

/* ======================
   任務項目
   ====================== */
.task-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.task-item:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateX(4px);
}

.task-item.current {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.15);
}

.task-item.completed {
    opacity: 0.6;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: #94a3b8;
}

.task-checkbox {
    width: 22px;
    height: 22px;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.task-checkbox:hover {
    border-color: #667eea;
}

.task-checkbox.checked {
    background: #48bb78;
    border-color: #48bb78;
}

.task-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.task-text {
    flex: 1;
    font-size: 0.95rem;
    color: #1a202c;
    word-break: break-word;
}

.task-current-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    font-weight: 500;
    white-space: nowrap;
}

.task-delete {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.task-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* ======================
   任務統計
   ====================== */
.task-summary {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 10px;
    font-size: 0.9rem;
    color: #64748b;
}

.btn-clear-completed {
    margin-left: auto;
    padding: 5px 10px;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.8rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-clear-completed:hover {
    background: #fee2e2;
    border-color: #ef4444;
    color: #ef4444;
}

/* ======================
   快捷鍵列表
   ====================== */
.shortcuts-list {
    display: grid;
    gap: 10px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

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

.shortcut-item kbd {
    display: inline-block;
    padding: 4px 10px;
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    color: #475569;
    box-shadow: 0 2px 0 #cbd5e1;
    min-width: 70px;
    text-align: center;
}

.shortcut-item span {
    color: #64748b;
    font-size: 0.9rem;
}

/* ======================
   響應式設計
   ====================== */
@media (max-width: 991px) {
    .timer-display {
        font-size: 3rem;
    }

    .timer-progress-ring {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 767px) {
    .timer-controls {
        flex-wrap: wrap;
    }

    .timer-btn {
        min-width: 90px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .timer-btn.btn-lg {
        min-width: 100%;
        order: -1;
    }

    .timer-display {
        font-size: 2.8rem;
    }

    .timer-progress-ring {
        width: 180px;
        height: 180px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .pomodoro-progress {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pomodoro-dots {
        width: 100%;
        justify-content: center;
        order: -1;
    }

    .task-list {
        max-height: 300px;
    }

    .mode-tab {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

/* ======================
   動畫效果
   ====================== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.timer-display.pulsing {
    animation: pulse 1s ease-in-out infinite;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-item {
    animation: fadeIn 0.3s ease;
}

/* 時間到時的閃爍效果 */
@keyframes timeUpBlink {
    0%, 100% {
        opacity: 1;
        filter: drop-shadow(0 0 8px rgba(229, 62, 62, 0.6));
    }
    50% {
        opacity: 0.7;
        filter: drop-shadow(0 0 20px rgba(229, 62, 62, 0.9));
    }
}

@keyframes timeUpPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.timer-display-container.time-up .progress-ring-fill {
    stroke: #e53e3e !important;
    animation: timeUpBlink 0.8s ease infinite;
}

.timer-display-container.time-up .timer-display {
    color: #e53e3e;
    animation: timeUpPulse 0.8s ease infinite;
}