/* =====================================================================
   學校巡堂記錄系統 樣式（RWD，針對平板／手機觸控最佳化）
   ===================================================================== */

:root {
    --primary: #1e6fd9;
    --primary-dark: #1657ad;
    --bg: #f0f3f7;
    --card-bg: #ffffff;
    --border: #d4dae2;
    --text: #23303e;
    --muted: #6b7885;
    --active-bg: #1e6fd9;
    --active-text: #ffffff;
    --danger: #d94a3d;
    --ok: #2e9c5a;
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

/* 確保 hidden 屬性一定生效（避免被 display:inline-block 等規則覆蓋） */
[hidden] {
    display: none !important;
}

body {
    margin: 0;
    font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 17px;
}

.app {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 12px 60px;
}

/* ---- 頁首 ---- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 4px;
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 10;
}

.app-header h1 {
    font-size: 1.35rem;
    margin: 0;
    color: var(--primary-dark);
}

.admin-link {
    font-size: 0.9rem;
    color: var(--muted);
    text-decoration: none;
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 8px;
    background: #fff;
}

/* 頁首登入者資訊 */
.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-name {
    color: var(--muted);
    font-size: 0.9rem;
}

/* ---- 卡片 ---- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card h2 {
    margin: 0 0 12px;
    font-size: 1.1rem;
    color: var(--primary-dark);
    border-left: 4px solid var(--primary);
    padding-left: 10px;
}

.course-card {
    background: #eef5ff;
}

/* ---- 基本資料 ---- */
.basic-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.basic-item {
    flex: 1 1 120px;
    background: #f7f9fc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    text-align: center;
}

.basic-label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 4px;
}

.basic-value {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
}

/* 節次可編輯下拉 */
.editable-hint {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    color: #b5701a;
    background: #fdeede;
    border-radius: 8px;
    padding: 1px 6px;
    margin-left: 6px;
    vertical-align: middle;
}

.basic-select {
    width: 100%;
    padding: 8px 6px;
    border: 2px solid var(--primary);
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: inherit;
    color: var(--primary-dark);
    background: #fff;
    text-align: center;
    text-align-last: center;
}

.basic-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.15);
}

/* 以年級（跑班／多元選修）對應提示 */
.grade-note {
    background: #fff4e0;
    border: 1px solid #f0c884;
    color: #8a5a10;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

/* 代課標示 */
.sub-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: var(--danger);
    border-radius: 8px;
    padding: 1px 8px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ---- 欄位 ---- */
.field {
    margin-top: 12px;
}

.field label {
    display: block;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: #fff;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.15);
}

/* 密碼欄顯示/隱藏切換 */
.pw-wrap {
    position: relative;
}

.pw-wrap input {
    padding-right: 66px;
}

.pw-toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    padding: 6px 10px;
}

/* ---- 選擇按鈕群組（建築物/樓層/班級）---- */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pick-btn {
    flex: 1 1 auto;
    min-width: 110px;
    min-height: 54px;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font-size: 1.05rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.12s;
}

.pick-btn:active {
    transform: scale(0.97);
}

.pick-btn.active {
    background: var(--active-bg);
    border-color: var(--active-bg);
    color: var(--active-text);
    font-weight: 700;
}

.hint {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 6px 0;
}

/* 班級按鈕改用格線：每班固定佔一欄，最後一排若只有一班也不會被撐成整列 */
#class-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    align-items: stretch;
}

#class-group .pick-btn {
    min-width: 0;
    width: auto;
    position: relative;
}

/* 本週未巡班級：班級按鈕右側醒目標示（❗ 無底色，文字才加淺紅底、深紅字） */
.pick-btn .class-flag {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-left: 6px;
    vertical-align: middle;
    font-size: 0.72rem;
    line-height: 1;
}
.pick-btn .class-flag-text {
    background: #fdeae7;
    color: #c0281a;
    border: 1px solid #f3b7ae;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: 999px;
}
/* 已選取（已巡查中）時，文字標示改白底深紅字以維持對比 */
.pick-btn.active .class-flag-text {
    background: #fff;
    color: #c0281a;
    border-color: #fff;
}

/* 未巡清單面板的班級標籤 */
.never-chip {
    background: #fff;
    color: #8a5a10;
    border: 1px solid #f0c884;
    border-radius: 6px;
    padding: 4px 10px;
}

/* 提示文字（尚未選建築/樓層、載入中等）橫跨整列 */
#class-group .hint {
    grid-column: 1 / -1;
}

/* ---- 單選/複選選項 ---- */
.sub {
    margin-bottom: 18px;
}

.sub:last-child {
    margin-bottom: 0;
}

.sub h3,
.sub-inner h4 {
    font-size: 1rem;
    margin: 0 0 10px;
    color: var(--text);
}

.tag {
    display: inline-block;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
    vertical-align: middle;
    font-weight: 600;
}

.tag.single {
    background: #e5efff;
    color: var(--primary-dark);
}

.tag.multi {
    background: #fdeede;
    color: #b5701a;
}

.opt-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.opt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    flex: 1 1 auto;
    min-width: 140px;
    min-height: 52px;
    transition: all 0.12s;
}

.opt.standalone {
    min-width: 100%;
}

.opt input {
    width: 22px;
    height: 22px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.opt span {
    font-size: 1rem;
}

/* 已選取狀態（由 JS 加上 .checked） */
.opt.checked {
    border-color: var(--primary);
    background: #eef5ff;
    font-weight: 600;
}

/* 教師出席情形共 6 項：桌機以格線排成一排，避免第 6 項換行 */
.attendance-opts {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.attendance-opts .opt {
    min-width: 0;
    padding: 10px 6px;
    gap: 6px;
    font-size: 0.92rem;
    justify-content: center;
}

.attendance-opts .opt input {
    width: 18px;
    height: 18px;
}

.sub-inner {
    margin-top: 12px;
}

.conditional {
    margin-top: 12px;
}

/* ---- 送出 ---- */
.actions {
    margin-top: 20px;
}

.submit-btn {
    width: 100%;
    min-height: 60px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
}

.submit-btn:active {
    background: var(--primary-dark);
}

.submit-btn:disabled {
    background: #9db4d0;
    cursor: not-allowed;
}

.form-msg {
    text-align: center;
    margin-top: 14px;
    font-weight: 600;
    min-height: 1.4em;
}

.form-msg.ok {
    color: var(--ok);
}

.form-msg.err {
    color: var(--danger);
}

/* ---- 手機（窄螢幕）---- */
@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .app-header h1 {
        font-size: 1.1rem;
    }

    .opt,
    .pick-btn {
        min-width: 100%;
    }

    /* 手機：班級改為單欄（每列一班） */
    #class-group {
        grid-template-columns: 1fr;
    }

    /* 手機：教師出席 6 項改為每列兩個 */
    .attendance-opts {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 手機：建築物、樓層改為每列兩個 */
    #building-group,
    #floor-group {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    #building-group .pick-btn,
    #floor-group .pick-btn {
        min-width: 0;
    }
}

/* 圖形驗證碼 */
.captcha-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-wrap input {
    flex: 1 1 auto;
}

.captcha-img {
    flex: 0 0 auto;
    width: 150px;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
}

/* 未巡班級提示鈴鐺 */
.never-bell {
    position: relative;
    background: none;
    border: none;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 8px;
}
.never-bell:hover { background: rgba(0, 0, 0, 0.05); }
.never-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: 999px;
    padding: 0 3px;
}

/* 現場照片縮圖預覽 */
.photo-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}
.photo-thumb {
    width: 84px;
    height: 84px;
    object-fit: cover;
    border: 1px solid var(--border);
    border-radius: 8px;
}