/* ============================================
   場地預約系統 - 前台樣式
   ============================================ */

.rs-app {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
    color: #333;
    box-sizing: border-box;
}

.rs-app *, .rs-app *::before, .rs-app *::after {
    box-sizing: inherit;
}

/* 標題 */
.rs-header {
    text-align: center;
    margin-bottom: 28px;
}
.rs-title {
    font-size: 26px;
    font-weight: 700;
    color: #1a3a5c;
    margin: 0 0 6px;
}
.rs-subtitle {
    font-size: 14px;
    color: #888;
    margin: 0;
}

/* ============================================
   Tabs
   ============================================ */
.rs-tabs {
    display: flex;
    border-bottom: 2px solid #e0e0e0;
    margin-bottom: 28px;
    gap: 0;
}
.rs-tab-btn {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 15px;
    color: #666;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color .2s, border-color .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.rs-tab-btn:hover {
    color: #1e6bbf;
}
.rs-tab-btn.active {
    color: #1e6bbf;
    border-bottom-color: #1e6bbf;
    font-weight: 600;
}
.rs-tab-icon {
    font-size: 16px;
}
.rs-tab-panel {
    display: none;
}
.rs-tab-panel.active {
    display: block;
}

/* ============================================
   按鈕
   ============================================ */
.rs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background .2s, color .2s, box-shadow .2s;
    text-decoration: none;
    gap: 6px;
}
.rs-btn-primary {
    background: #1e6bbf;
    color: #fff;
}
.rs-btn-primary:hover {
    background: #155a9e;
    box-shadow: 0 2px 6px rgba(30,107,191,.3);
}
.rs-btn-outline {
    background: transparent;
    color: #1e6bbf;
    border: 1.5px solid #1e6bbf;
}
.rs-btn-outline:hover {
    background: #e8f0fb;
}
.rs-btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}
.rs-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
}

/* ============================================
   Input / Select
   ============================================ */
.rs-input, .rs-select, .rs-textarea {
    display: block;
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid #d0d0d0;
    border-radius: 6px;
    font-size: 14px;
    color: #333;
    background: #fff;
    transition: border-color .2s;
    outline: none;
}
.rs-input:focus, .rs-select:focus, .rs-textarea:focus {
    border-color: #1e6bbf;
    box-shadow: 0 0 0 3px rgba(30,107,191,.12);
}

/* ============================================
   Tab 1 - 區域查詢
   ============================================ */
.rs-area-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.rs-area-card {
    border: 1.5px solid #e0e6f0;
    border-radius: 12px;
    padding: 24px 16px 20px;
    text-align: center;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s, border-color .2s;
    background: #fff;
}
.rs-area-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30,107,191,.12);
    border-color: #1e6bbf;
}
.rs-area-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #1e6bbf;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}
.rs-area-name {
    font-size: 16px;
    font-weight: 600;
    color: #1a3a5c;
    margin-bottom: 4px;
}
.rs-area-count {
    font-size: 12px;
    color: #888;
    margin-bottom: 14px;
}
.rs-area-card .rs-btn {
    width: 100%;
}

.rs-result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}
.rs-back-btn {
    background: none;
    border: none;
    color: #1e6bbf;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    text-decoration: underline;
}
.rs-result-header h3 {
    margin: 0;
    font-size: 18px;
    color: #1a3a5c;
}

/* ============================================
   場地卡片（共用）
   ============================================ */
.rs-venue-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.rs-venue-card {
    border: 1.5px solid #e0e6f0;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    transition: box-shadow .2s;
}
.rs-venue-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
}
.rs-venue-img {
    height: 140px;
    background-size: cover;
    background-position: center;
    background-color: #e8f0fb;
}
.rs-venue-body {
    padding: 14px 16px 16px;
}
.rs-venue-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.rs-venue-name {
    font-size: 15px;
    font-weight: 600;
    color: #1a3a5c;
}
.rs-venue-badge {
    font-size: 11px;
    background: #e8f0fb;
    color: #1e6bbf;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 500;
}
.rs-venue-meta {
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
}
.rs-venue-desc {
    font-size: 13px;
    color: #666;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.rs-venue-card .rs-btn {
    width: 100%;
}

/* ============================================
   Tab 2 - 場地查詢
   ============================================ */
.rs-venue-search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.rs-search-input-wrap {
    flex: 2;
    min-width: 160px;
}
.rs-search-select-wrap {
    flex: 1;
    min-width: 120px;
}

/* ============================================
   Tab 3 - 日期查詢
   ============================================ */
.rs-date-search-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.rs-date-label {
    font-size: 14px;
    color: #555;
    white-space: nowrap;
}
.rs-date-search-bar .rs-input {
    max-width: 200px;
}
.rs-date-result-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a3a5c;
    margin: 0 0 16px;
}

/* 日期查詢結果列表（橫向列表形式） */
#rs-date-venues-list .rs-date-venue-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border: 1.5px solid #e0e6f0;
    border-radius: 8px;
    margin-bottom: 10px;
    background: #fff;
    gap: 12px;
    flex-wrap: wrap;
}
#rs-date-venues-list .rs-date-venue-row:hover {
    border-color: #1e6bbf;
}
.rs-date-venue-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.rs-date-venue-slots-count {
    font-size: 12px;
    color: #28a745;
    background: #e6f7ec;
    padding: 2px 8px;
    border-radius: 20px;
}

/* ============================================
   Loading
   ============================================ */
.rs-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 24px;
    color: #888;
    justify-content: center;
}
.rs-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e0e0e0;
    border-top-color: #1e6bbf;
    border-radius: 50%;
    animation: rs-spin .7s linear infinite;
}
@keyframes rs-spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   空狀態
   ============================================ */
.rs-empty-msg {
    text-align: center;
    color: #aaa;
    padding: 32px;
    font-size: 15px;
}

/* ============================================
   Modal
   ============================================ */
.rs-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.rs-modal[hidden] {
    display: none;
}
.rs-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.45);
}
.rs-modal-content {
    position: relative;
    background: #fff;
    border-radius: 14px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px 28px 24px;
    box-shadow: 0 12px 48px rgba(0,0,0,.2);
}
.rs-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #aaa;
    line-height: 1;
}
.rs-modal-close:hover {
    color: #333;
}

/* Modal 內 - 時段選擇 */
.rs-modal-venue-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a3a5c;
    margin: 0 0 4px;
}
.rs-modal-date {
    font-size: 13px;
    color: #888;
    margin: 0 0 18px;
}
.rs-slot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}
.rs-slot-btn {
    border: 1.5px solid #d0d0d0;
    border-radius: 8px;
    padding: 12px 8px;
    text-align: center;
    cursor: pointer;
    background: #fff;
    transition: all .2s;
}
.rs-slot-btn:hover:not(.rs-slot-unavailable) {
    border-color: #1e6bbf;
    background: #e8f0fb;
}
.rs-slot-btn.selected {
    border-color: #1e6bbf;
    background: #1e6bbf;
    color: #fff;
}
.rs-slot-label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 3px;
}
.rs-slot-time {
    font-size: 12px;
    color: inherit;
    opacity: .8;
}
.rs-slot-unavailable {
    background: #f5f5f5;
    border-color: #e0e0e0;
    color: #bbb;
    cursor: not-allowed;
}
.rs-slot-unavailable .rs-slot-label::after {
    content: '（已預約）';
    font-size: 11px;
}

/* Modal 內 - 預約表單 */
.rs-booking-form-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a3a5c;
    margin: 0 0 16px;
    padding-top: 16px;
    border-top: 1px solid #eee;
}
.rs-form-group {
    margin-bottom: 14px;
}
.rs-form-group label {
    display: block;
    font-size: 13px;
    color: #555;
    margin-bottom: 5px;
    font-weight: 500;
}
.rs-form-group .required {
    color: #e03;
}
.rs-field-error {
    font-size: 12px;
    color: #dc3545;
    margin-top: 4px;
}
.rs-input.error, .rs-select.error, .rs-textarea.error {
    border-color: #dc3545;
}
.rs-submit-row {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}
.rs-submit-row .rs-btn {
    flex: 1;
}
.rs-form-success {
    text-align: center;
    padding: 20px;
}
.rs-form-success .rs-success-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.rs-form-success h3 {
    color: #28a745;
    margin: 0 0 8px;
}
.rs-form-success p {
    color: #555;
    margin: 0;
}
.rs-reservation-no {
    display: inline-block;
    background: #f0f8ff;
    border: 1px solid #c0d8f0;
    border-radius: 6px;
    padding: 6px 14px;
    font-family: monospace;
    font-size: 16px;
    color: #1e6bbf;
    margin: 10px 0;
}

/* ============================================
   日期選擇器 - 美化
   ============================================ */
input[type="date"].rs-input {
    -webkit-appearance: none;
    appearance: none;
}

/* ============================================
   兩步驟時間選擇器
   ============================================ */
.rs-time-picker-wrap {
    margin-top: 12px;
}
.rs-time-step {
    margin-bottom: 16px;
}
.rs-time-step-label {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 10px;
    padding: 6px 10px;
    background: #f0f4f8;
    border-left: 3px solid #1a73e8;
    border-radius: 3px;
}
.rs-slot-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}
.rs-slot-btn {
    padding: 8px 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}
.rs-slot-btn:hover:not([disabled]):not(.rs-slot-unavailable) {
    background: #e8f0fe;
    border-color: #1a73e8;
    color: #1a73e8;
}
.rs-slot-btn.selected {
    background: #1a73e8;
    border-color: #1a73e8;
    color: #fff;
}
.rs-slot-btn.rs-slot-unavailable,
.rs-slot-btn[disabled] {
    background: #f5f5f5;
    color: #bbb;
    cursor: not-allowed;
    border-color: #e0e0e0;
    text-decoration: line-through;
}
.rs-slot-dur {
    font-size: 11px;
    color: #888;
    margin-top: 2px;
}
.rs-slot-btn.selected .rs-slot-dur {
    color: rgba(255,255,255,0.8);
}
.rs-selected-time-row {
    margin: 10px 0;
    padding: 10px 14px;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: 6px;
    font-size: 14px;
    color: #2e7d32;
}
.rs-selected-badge {
    font-weight: 700;
    font-size: 15px;
}

/* ============================================
   RWD
   ============================================ */
@media (max-width: 600px) {
    .rs-tabs {
        font-size: 13px;
    }
    .rs-tab-btn {
        padding: 10px 4px;
        font-size: 13px;
    }
    .rs-area-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rs-venue-cards {
        grid-template-columns: 1fr;
    }
    .rs-venue-search-bar {
        flex-direction: column;
    }
    .rs-modal-content {
        padding: 20px 16px 18px;
    }
}

/* =============================================
   管理預約頁 (rs_manage_reservation)
   ============================================= */
.rs-manage-wrap {
    max-width: 680px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    position: relative;
}
.rs-manage-section { animation: rsFadeIn .2s ease; }
.rs-manage-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 8px;
}
.rs-manage-desc {
    color: #666;
    margin: 0 0 20px;
    line-height: 1.6;
}
.rs-manage-form-box {
    background: #fff;
    border: 1px solid #e0e4ef;
    border-radius: 12px;
    padding: 28px 24px;
}
.rs-form-field {
    margin-bottom: 18px;
}
.rs-form-field label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    font-size: 14px;
}
.rs-form-field input[type="text"],
.rs-form-field input[type="email"],
.rs-form-field input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #d0d5e8;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color .2s;
    box-sizing: border-box;
}
.rs-form-field input:focus {
    border-color: #4f7ef8;
    outline: none;
}
.rs-manage-back { margin-bottom: 16px; }
.rs-manage-back a { color: #4f7ef8; text-decoration: none; font-size: 14px; }
.rs-manage-back a:hover { text-decoration: underline; }

.rs-manage-card {
    background: #fff;
    border: 1px solid #e0e4ef;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}
.rs-manage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.rs-manage-table th,
.rs-manage-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #f0f2f8;
    text-align: left;
}
.rs-manage-table th {
    width: 32%;
    color: #888;
    font-weight: 600;
    background: #f8f9fc;
}

.rs-manage-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.rs-btn {
    display: inline-block;
    padding: 11px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background .18s, transform .1s;
    text-decoration: none;
}
.rs-btn:active { transform: scale(.97); }
.rs-btn-primary   { background: #4f7ef8; color: #fff; }
.rs-btn-primary:hover { background: #3a65d4; }
.rs-btn-danger    { background: #e5534b; color: #fff; }
.rs-btn-danger:hover  { background: #c0392b; }
.rs-btn-secondary { background: #f0f2f8; color: #444; }
.rs-btn-secondary:hover { background: #e0e4ef; }

.rs-manage-msg {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 14px;
    display: none;
}
.rs-msg-success { background: #d4edda; color: #155724; }
.rs-msg-error   { background: #f8d7da; color: #721c24; }
.rs-msg-info    { background: #d1ecf1; color: #0c5460; }

.rs-manage-result-box {
    text-align: center;
    padding: 40px 20px;
}
.rs-manage-result { display: inline-block; }
.rs-result-icon { font-size: 3rem; margin-bottom: 12px; }
.rs-manage-result p { font-size: 1.1rem; color: #333; margin-bottom: 20px; }

.rs-manage-loading {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.rs-spinner {
    width: 40px; height: 40px;
    border: 4px solid #e0e4ef;
    border-top-color: #4f7ef8;
    border-radius: 50%;
    animation: rsSpin .7s linear infinite;
}
@keyframes rsSpin { to { transform: rotate(360deg); } }

/* ============================================
   附加服務
   ============================================ */
.rs-addons-loading {
    padding: 10px 0;
    color: #888;
    font-size: 13px;
}
.rs-addons-wrap {
    border-top: 1px solid #e8eaf0;
    margin-top: 16px;
    padding-top: 16px;
}
.rs-addons-title {
    font-weight: 600;
    font-size: 14px;
    color: #1a3a5c;
    margin-bottom: 12px;
}
.rs-addon-row {
    margin-bottom: 10px;
}
.rs-addon-label {
    display: block;
    font-size: 14px;
    color: #444;
    margin-bottom: 4px;
}
.rs-addon-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 0;
}
.rs-addon-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.rs-addon-qty-wrap {
    display: flex;
    align-items: center;
    gap: 0;
}
.rs-addon-qty-btn {
    background: #f0f2f7;
    border: 1px solid #d1d5e0;
    color: #444;
    width: 32px;
    height: 32px;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    border-radius: 4px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
}
.rs-addon-qty-btn:hover {
    background: #e2e6f0;
}
.rs-addon-qty {
    width: 48px !important;
    height: 32px;
    text-align: center;
    border: 1px solid #d1d5e0;
    border-left: none;
    border-right: none;
    border-radius: 0;
    font-size: 14px;
    background: #fff;
    -moz-appearance: textfield;
}
.rs-addon-qty::-webkit-inner-spin-button,
.rs-addon-qty::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.rs-addon-qty-minus { border-radius: 4px 0 0 4px; }
.rs-addon-qty-plus  { border-radius: 0 4px 4px 0; }
@keyframes rsFadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }