/* HabitStreakCounter.css - 連續打卡計數器專屬樣式 */
/*
 * 注意：全域樣式 (.glass-card, .form-input, .btn-custom, .btn-sponsor)
 * 已在 layout.css 定義，此處不重複定義
 */

/* ===== 打卡按鈕 ===== */
.check-in-btn {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    border: none;
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.4);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 auto;
}

.check-in-btn:hover:not(.checked) {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(245, 158, 11, 0.5);
}

.check-in-btn:active:not(.checked) {
    transform: scale(0.98);
}

.check-in-btn.checked {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    box-shadow: 0 10px 40px rgba(72, 187, 120, 0.4);
    cursor: default;
}

.check-in-btn .btn-icon {
    font-size: 3rem;
}

.check-in-btn .btn-text {
    font-size: 1.2rem;
}

/* 脈動動畫 - 僅未打卡狀態 */
.check-in-btn:not(.checked) {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* 打卡成功動畫 */
@keyframes checkInSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.check-in-btn.animate-success {
    animation: checkInSuccess 0.5s ease-out;
}

/* ===== 打卡狀態區 ===== */
.check-in-status {
    text-align: center;
    margin-top: 20px;
    font-size: 0.95rem;
    color: #64748b;
}

.check-in-status .status-time {
    font-weight: 600;
    color: #48bb78;
}

.check-in-status .break-warning {
    color: #f59e0b;
    font-weight: 600;
}

/* ===== Streak 結果顯示 ===== */
.streak-result-container {
    text-align: center;
    padding: 20px 0;
}

.streak-main {
    margin-bottom: 30px;
}

.streak-label {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 8px;
}

.streak-value {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.streak-unit {
    font-size: 1.5rem;
    color: #f59e0b;
    margin-left: 5px;
}

/* 次要統計 */
.streak-stats {
    display: flex;
    justify-content: space-around;
    gap: 15px;
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 15px 10px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.85rem;
    color: #64748b;
    margin-top: 5px;
}

/* ===== 熱力圖 (GitHub Style) ===== */
.heatmap-wrapper {
    overflow-x: auto;
    padding: 10px 0;
}

.heatmap-container {
    display: grid;
    grid-template-columns: repeat(53, 12px);
    grid-template-rows: repeat(7, 12px);
    grid-auto-flow: column;
    gap: 3px;
    width: max-content;
    margin: 0 auto;
}

.heatmap-cell {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background-color: #ebedf0;
    cursor: pointer;
    transition: all 0.15s ease;
}

.heatmap-cell.checked {
    background-color: #40c463;
}

.heatmap-cell:hover {
    outline: 2px solid #1b1f23;
    outline-offset: -1px;
}

/* 熱力圖標題列 */
.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.heatmap-title {
    font-size: 1rem;
    font-weight: 600;
    color: #334155;
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: #64748b;
}

.heatmap-legend-box {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.heatmap-legend-box.empty {
    background-color: #ebedf0;
}

.heatmap-legend-box.filled {
    background-color: #40c463;
}

.heatmap-legend-label {
    margin-right: 8px;
}

/* 週標籤 */
.heatmap-day-labels {
    display: grid;
    grid-template-rows: repeat(7, 12px);
    gap: 3px;
    margin-right: 8px;
    font-size: 0.7rem;
    color: #64748b;
}

.heatmap-day-labels span {
    line-height: 12px;
    text-align: right;
}

.heatmap-with-labels {
    display: flex;
    align-items: flex-start;
}

/* 月份標籤 */
.heatmap-month-labels {
    display: flex;
    gap: 3px;
    margin-top: 8px;
    font-size: 0.7rem;
    color: #64748b;
}

/* ===== Tooltip ===== */
.heatmap-tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.heatmap-tooltip.visible {
    opacity: 1;
}

/* ===== 習慣名稱輸入 ===== */
.habit-name-input {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px dashed #e2e8f0;
    background: transparent;
    padding: 10px 15px;
    border-radius: 8px;
    width: 100%;
    max-width: 300px;
    margin: 0 auto 20px;
    display: block;
    transition: all 0.3s ease;
}

.habit-name-input:focus {
    border-color: #667eea;
    outline: none;
    background: white;
}

.habit-name-input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

/* ===== 習慣選擇器 (Tabs) ===== */
.habit-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.habit-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: rgba(102, 126, 234, 0.08);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
    position: relative;
}

.habit-tab:hover {
    background: rgba(102, 126, 234, 0.15);
}

.habit-tab.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-color: #667eea;
}

.habit-tab-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.habit-tab.active .habit-tab-name {
    color: #667eea;
}

.habit-tab-streak {
    font-size: 0.75rem;
    color: #64748b;
    background: rgba(102, 126, 234, 0.1);
    padding: 2px 8px;
    border-radius: 10px;
}

.habit-tab.active .habit-tab-streak {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.habit-tab-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    font-size: 14px;
    line-height: 16px;
    text-align: center;
    color: #94a3b8;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.2s ease;
}

.habit-tab:hover .habit-tab-delete {
    opacity: 1;
}

.habit-tab-delete:hover {
    background: #f56565;
    color: white;
}

/* 新增習慣按鈕 */
.habit-tab-add {
    flex-direction: row;
    gap: 8px;
    background: rgba(72, 187, 120, 0.1);
    border: 2px dashed #48bb78;
    color: #48bb78;
}

.habit-tab-add:hover {
    background: rgba(72, 187, 120, 0.2);
}

.habit-tab-add i {
    font-size: 1rem;
}

.habit-tab-add span {
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== 響應式設計 ===== */
@media (max-width: 768px) {
    .check-in-btn {
        width: 160px;
        height: 160px;
        font-size: 1.2rem;
    }

    .check-in-btn .btn-icon {
        font-size: 2.5rem;
    }

    .check-in-btn .btn-text {
        font-size: 1rem;
    }

    .streak-value {
        font-size: 3rem;
    }

    .streak-stats {
        flex-direction: column;
        gap: 10px;
    }

    .stat-item {
        padding: 12px;
    }

    .heatmap-container {
        grid-template-columns: repeat(53, 10px);
        grid-template-rows: repeat(7, 10px);
    }

    .heatmap-cell {
        width: 10px;
        height: 10px;
    }

    .heatmap-day-labels {
        grid-template-rows: repeat(7, 10px);
        font-size: 0.6rem;
    }

    /* 習慣選擇器響應式 */
    .habit-tabs {
        gap: 6px;
    }

    .habit-tab {
        padding: 10px 12px;
        min-width: 80px;
    }

    .habit-tab-name {
        font-size: 0.8rem;
        max-width: 70px;
    }

    .habit-tab-streak {
        font-size: 0.7rem;
    }

    .habit-tab-add span {
        display: none;
    }

    .habit-tab-add {
        min-width: auto;
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .check-in-btn {
        width: 140px;
        height: 140px;
    }

    .check-in-btn .btn-icon {
        font-size: 2rem;
    }

    .streak-value {
        font-size: 2.5rem;
    }

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

    .heatmap-container {
        grid-template-columns: repeat(53, 8px);
        grid-template-rows: repeat(7, 8px);
        gap: 2px;
    }

    .heatmap-cell {
        width: 8px;
        height: 8px;
    }

    .heatmap-day-labels {
        grid-template-rows: repeat(7, 8px);
        gap: 2px;
    }
}