/* 深色模式配色 */
:root {
    --bg-body: #121212;
    --bg-panel: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #333;
    
    --input-bg: #2d2d2d;
    --btn-bg: #333;
    --btn-hover: #444;

    --primary: #4dabf7; 
    --primary-hover: #339af0;
    --danger: #ff6b6b;
    --success: #51cf66;
    --warning: #fcc419;
    --info: #17a2b8;

    --color-spot: #4cc9f0; 
    --color-shop: #f06595; 
    --color-food: #ffc107; 
}

/* 基礎設定：將字體基準改為 16px (手機標準) */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    font-size: 16px;
    padding-bottom: 80px; 
}

header {
    background-color: #000;
    border-bottom: 1px solid #333;
    padding: 15px; 
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    margin: 0 0 15px 0;
    font-size: 1.5rem; 
    font-weight: bold;
    color: #fff;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 按鈕優化 */
button, .btn-file {
    display: inline-block;
    padding: 10px 16px; 
    min-height: 44px;   
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: 6px; 
    font-size: 16px;    
    margin-right: 8px;
    margin-bottom: 8px; 
    background-color: var(--btn-bg);
    color: var(--text-main);
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
    vertical-align: middle;
}

button:hover, .btn-file:hover { background-color: var(--btn-hover); }

.btn-primary { background-color: #1864ab; border-color: #1864ab; color: white; }
.btn-primary:hover { background-color: #1c7ed6; }

.btn-secondary { background-color: #495057; border-color: #495057; color: white;}
.btn-secondary:hover { background-color: #343a40; }

.btn-danger { background-color: #c92a2a; border-color: #c92a2a; color: white;}
.btn-danger:hover { background-color: #e03131; }

.btn-nav { background-color: #2b8a3e; border-color: #2b8a3e; color: white;}
.btn-nav:hover { background-color: #2f9e44; }

.btn-warning { background-color: #e67700; border-color: #e67700; color: white; }
.btn-warning:hover { background-color: #f08c00; }

.btn-info { background-color: #0c8599; border-color: #0c8599; color: white; }
.btn-info:hover { background-color: #0b7285; }

.btn-sm { 
    padding: 6px 12px; 
    font-size: 14px; 
    min-height: auto; 
}

input[type="file"] { display: none; }

/* 輸入框優化 */
input[type="text"], input[type="date"], select {
    padding: 12px 15px; 
    margin: 8px 0;
    width: 100%;
    height: 48px; 
    box-sizing: border-box;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-main);
    font-size: 16px; 
}
input:focus, select:focus { outline: none; border-color: var(--primary); }

.panel {
    background: var(--bg-panel);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 25px; 
}

.panel h2 {
    margin-top: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    font-size: 1.5rem;
    color: var(--text-main);
}

.plan-list { list-style: none; padding: 0; }
.plan-list li {
    background: #252525;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.plan-item {
    cursor: pointer;
    flex-grow: 1;
    padding: 5px;
    border-radius: 4px;
}
.plan-item strong { font-size: 1.2rem; color: var(--primary); display: block; margin-bottom: 5px;}
.plan-item small { color: var(--text-muted); font-size: 0.95rem; }

/* 搜尋工具列 */
.search-toolbar {
    background-color: #2b2b2b;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #444;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap; 
}
.search-label {
    color: var(--text-muted);
    font-size: 1rem;
    width: 100%; 
    margin-bottom: 5px;
}
@media (min-width: 600px) {
    .search-label { width: auto; margin-bottom: 0; }
}

/* 卡片建立區 (Card Creator) */
.card-creator {
    background-color: #252525;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 25px;
    
    /* 預設手機版：垂直排列 */
    display: flex;
    flex-direction: column; 
    gap: 10px;
}

/* 手機版：所有元件佔滿一行 */
.card-creator select,
.card-creator input,
.card-creator button {
    width: 100%; 
    margin: 0;
}

/* 電腦版 (螢幕大於 768px 時) */
@media (min-width: 768px) {
    .card-creator {
        flex-direction: row; 
        align-items: center;
    }
    
    .card-creator select {
        width: auto;
        min-width: 100px;
        flex-shrink: 0;
    }

    .card-creator input:nth-of-type(1) {
        flex: 2; 
        width: auto;
    }

    .card-creator input:nth-of-type(2) {
        flex: 1;
        width: auto;
    }

    .card-creator button {
        width: auto;
        min-width: 80px;
        flex-shrink: 0;
    }
}

.card-list { display: flex; flex-wrap: wrap; gap: 15px; }

/* 通用卡片 */
.card {
    flex: 1 1 100%;
    background: #2c2c2c;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    min-height: 70px; 
}

.card.spot { border-left: 6px solid var(--color-spot); }
.card.shop { border-left: 6px solid var(--color-shop); }
.card.food { border-left: 6px solid var(--color-food); }

.card-content { display: flex; align-items: center; gap: 10px; flex-grow: 1; overflow: hidden; /* 防止文字溢出容器 */ }
.card-info { display: flex; flex-direction: column; justify-content: center; overflow: hidden; /* 防止文字溢出容器 */ width: 100%; }

/* --- 修改重點：卡片名稱的文字控制 --- */
.card-name {
    font-weight: bold;
    line-height: 1.3;
    
    /* 限制顯示 2 行，超過變 ... */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    
    word-break: break-word; 
    white-space: normal;
}

.card-station { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.card-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0;}

.category-tag {
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 4px;
    color: #000;
    font-weight: bold;
    flex-shrink: 0;
}
.spot .category-tag { background-color: var(--color-spot); }
.shop .category-tag { background-color: var(--color-shop); }
.food .category-tag { background-color: var(--color-food); }

.itinerary-header {
    background-color: #252525;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap; 
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.itinerary-header h2 {
    font-size: 1.3rem;
    margin: 0;
    color: var(--text-main);
}

.itinerary-header select {
    width: 100%; 
    margin: 0;
}
@media (min-width: 600px) {
    .itinerary-header select { width: auto; }
}

.unused-panel {
    background-color: #342a15;
    border: 1px solid #665000;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 25px;
}
.unused-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: bold;
    color: var(--warning);
    font-size: 1.1rem;
}
.unused-list {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid #444;
    padding-top: 15px;
}

.slots-grid {
    display: grid;
    gap: 25px;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .slots-grid { grid-template-columns: 1fr 1fr; }
    .card { flex: 0 1 calc(50% - 15px); }
}

.slot-box {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
}

.slot-title {
    font-weight: bold;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 15px;
    padding-bottom: 8px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.slot-card {
    margin-top: 15px;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.4);
    color: #000000 !important; 
    font-weight: 600;
    border: none !important;
    border-left: none !important;
    padding: 15px;
}

.slot-card.spot { background: linear-gradient(135deg, var(--color-spot), #29b6f6); }
.slot-card.shop { background: linear-gradient(135deg, var(--color-shop), #ff80ab); }
.slot-card.food { background: linear-gradient(135deg, var(--color-food), #ffca28); }

.slot-card .category-tag {
    background-color: rgba(255, 255, 255, 0.7) !important;
    color: #000 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.slot-card .card-station {
    color: rgba(0, 0, 0, 0.7); 
    font-weight: normal;
}

.slot-card .btn-nav {
    border: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    padding: 8px 12px;
}

.slot-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.5);
    filter: brightness(1.05);
}

/* 月曆彈窗樣式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.modal-content {
    background-color: #252525;
    border: 1px solid #444;
    padding: 15px;
    border-radius: 10px;
    width: 95%;
    max-width: 380px; 
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.calendar-controls h3 { margin: 0; color: white; font-size: 1.2rem; }
.calendar-controls button {
    background: #333;
    border: 1px solid #555;
    color: white;
    padding: 5px 15px;
    margin: 0;
    min-height: 36px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr); 
    gap: 5px;
    margin-bottom: 20px;
}

.calendar-weekday {
    text-align: center;
    color: var(--text-muted);
    font-weight: bold;
    font-size: 0.9rem;
    padding-bottom: 5px;
}

.calendar-day {
    aspect-ratio: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #333;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    color: #e0e0e0;
    transition: background 0.2s;
}

.calendar-day:hover { background-color: #444; }

.calendar-day.selected {
    background-color: var(--primary);
    color: white;
    border: 2px solid white;
}

.calendar-day.today {
    border: 1px solid var(--primary);
    color: var(--primary);
}
.calendar-day.selected.today {
    color: white;
    border: 2px solid white;
}

.calendar-day.empty {
    background-color: transparent;
    cursor: default;
}