/* =============================================
   cY Hotel Booking - 完整样式
   包含：全局变量、房间图片、信息表格、预订表单、支付页面、房间卡片网格等
   ============================================= */

/* ---------- 全局基调 ---------- */
:root {
    --cY-primary: #d83a2b;        /* 橙红主色 */
    --cY-primary-hover: #b92e20;
    --cY-dark: #1e2a3e;
    --cY-gray: #6c7a91;
    --cY-light-bg: #f1f4f9;
    --cY-card-bg: #ffffff;
    --cY-border: #e2e8f0;
    --cY-radius: 1.5rem;
    --cY-shadow: 0 20px 35px -10px rgba(0,0,0,0.12);
    --cY-shadow-hover: 0 25px 40px -14px rgba(0,0,0,0.15);
    --cY-transition: all 0.25s ease;
}

/* ---------- 房间大图 ---------- */
.room-featured-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--cY-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--cY-shadow);
    transition: var(--cY-transition);
}
.room-featured-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--cY-shadow-hover);
}

/* ---------- 房间信息表格 ---------- */
.room-details-table {
    width: 100%;
    background: var(--cY-card-bg);
    border-radius: var(--cY-radius);
    margin-bottom: 1.5rem;
    border-collapse: separate;
    border-spacing: 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    overflow: hidden;
    transition: var(--cY-transition);
}
.room-details-table td {
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
    color: var(--cY-dark);
}
.room-details-table td:first-child {
    font-weight: 600;
    color: var(--cY-dark);
    background-color: #fafbfc;
    width: 30%;
    white-space: nowrap;
}
.room-details-table tr:last-child td {
    border-bottom: none;
}
.room-details-table:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

/* ---------- 预订表单容器 ---------- */
#hotel-booking-app {
    max-width: 100%;
    margin: 1.5rem 0;
    padding: 1.8rem;
    border: none;
    border-radius: var(--cY-radius);
    background: var(--cY-card-bg);
    box-shadow: var(--cY-shadow);
    transition: var(--cY-transition);
}
#hotel-booking-app:hover {
    box-shadow: var(--cY-shadow-hover);
    transform: translateY(-2px);
}

/* 表单内部元素 */
#hotel-booking-app label {
    display: block;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--cY-dark);
    font-size: 0.9rem;
}
#hotel-booking-app input,
#hotel-booking-app select {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-top: 0.4rem;
    border: 1px solid var(--cY-border);
    border-radius: 1rem;
    box-sizing: border-box;
    font-size: 0.9rem;
    background: #f9fafb;
    transition: border-color 0.2s, box-shadow 0.2s;
}
#hotel-booking-app input:focus,
#hotel-booking-app select:focus {
    outline: none;
    border-color: var(--cY-primary);
    box-shadow: 0 0 0 3px rgba(216, 58, 43, 0.15);
    background: #fff;
}

/* 按钮 */
#hotel-booking-app button {
    margin-top: 1.2rem;
    padding: 0.9rem 1.5rem;
    width: 100%;
    background: var(--cY-primary);
    color: white;
    border: none;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 6px 12px -5px rgba(216, 58, 43, 0.4);
    transition: var(--cY-transition);
}
#hotel-booking-app button:hover {
    background: var(--cY-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px rgba(216, 58, 43, 0.5);
}
#hotel-booking-app button:active {
    transform: translateY(0);
}
#hotel-booking-app button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 提示信息 */
#availability-message {
    margin: 1rem 0;
    font-size: 0.95rem;
    color: var(--cY-dark);
}
#price-display {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 1rem;
    color: var(--cY-primary);
    text-align: right;
}

/* 房间选择信息 */
.selected-room-info {
    background: #fff2e6;
    padding: 1rem 1.2rem;
    margin-bottom: 1.2rem;
    border-left: 4px solid var(--cY-primary);
    border-radius: 0.8rem;
}

/* ---------- 支付页面 ---------- */
#payment-form-container {
    max-width: 500px;
    margin: 2rem auto;
    background: var(--cY-card-bg);
    padding: 2rem;
    border-radius: var(--cY-radius);
    box-shadow: var(--cY-shadow);
    transition: var(--cY-transition);
}
#payment-form-container:hover {
    box-shadow: var(--cY-shadow-hover);
}

#card-element {
    padding: 1rem;
    border: 1px solid var(--cY-border);
    border-radius: 1rem;
    background: #f9fafb;
    transition: border-color 0.2s, box-shadow 0.2s;
}
#card-element:focus-within {
    border-color: var(--cY-primary);
    box-shadow: 0 0 0 3px rgba(216, 58, 43, 0.15);
}

#submit-payment {
    margin-top: 1.5rem;
    padding: 0.9rem 1.5rem;
    background: var(--cY-primary);
    color: white;
    border: none;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    cursor: pointer;
    box-shadow: 0 6px 12px -5px rgba(216, 58, 43, 0.4);
    transition: var(--cY-transition);
}
#submit-payment:hover {
    background: var(--cY-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px rgba(216, 58, 43, 0.5);
}
#submit-payment:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#card-errors {
    color: var(--cY-primary);
    margin-top: 0.8rem;
    font-size: 0.9rem;
}

/* ---------- 侧边预订区域 ---------- */
.room-booking-sidebar {
    background: var(--cY-card-bg);
    padding: 1.5rem;
    border-radius: var(--cY-radius);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    margin-top: 1.5rem;
}
.room-content {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--cY-dark);
}

/* ---------- 桌面端紧凑表单 ---------- */
@media (min-width: 769px) {
    #hotel-booking-app {
        max-width: 320px;
        margin-left: 0;
        margin-right: auto;
    }
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
    #hotel-booking-app,
    #payment-form-container {
        margin: 1rem 0;
        padding: 1.2rem;
        border-radius: 1.2rem;
    }
    .room-details-table td {
        padding: 0.7rem 0.9rem;
        font-size: 0.85rem;
    }
    #price-display {
        text-align: left;
    }
    .room-featured-image {
        border-radius: 1rem;
    }
}

/* ========== 房间卡片网格 ========== */
.cY-room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.cY-room-card {
    background: var(--cY-card-bg);
    border-radius: var(--cY-radius);
    overflow: hidden;
    box-shadow: var(--cY-shadow);
    transition: var(--cY-transition);
    display: flex;
    flex-direction: column;
}

.cY-room-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--cY-shadow-hover);
}

.cY-room-thumb {
    display: block;
    overflow: hidden;
    height: 200px;
}

.cY-room-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.cY-room-card:hover .cY-room-card-img {
    transform: scale(1.05);
}

.cY-room-card-body {
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.cY-room-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.cY-room-card-title a {
    color: var(--cY-dark);
    text-decoration: none;
    transition: color 0.2s;
}

.cY-room-card-title a:hover {
    color: var(--cY-primary);
}

.cY-room-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    font-size: 0.85rem;
    color: var(--cY-gray);
    margin-bottom: 0.8rem;
}

.cY-room-price-row {
    margin-top: auto;
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.cY-room-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--cY-primary);
}

.cY-room-price-label {
    font-size: 0.85rem;
    color: var(--cY-gray);
}

.cY-btn-card {
    display: inline-block;
    background: var(--cY-primary);
    color: #fff;
    text-align: center;
    padding: 0.8rem 1.2rem;
    border-radius: 2rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--cY-transition);
    box-shadow: 0 6px 12px -5px rgba(216, 58, 43, 0.4);
}

.cY-btn-card:hover {
    background: var(--cY-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px rgba(216, 58, 43, 0.5);
    color: #fff;
    text-decoration: none;
}

/* ========== 预订模态框（新增） ========== */
.cY-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cY-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}
.cY-modal-content {
    position: relative;
    background: #fff;
    border-radius: 1.5rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    animation: cYModalFadeIn 0.25s ease;
    margin: 0 auto;
    left: 0;
    right: 0;
}
@keyframes cYModalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.cY-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: #6c7a91;
    cursor: pointer;
    z-index: 10;
    line-height: 1;
}
.cY-modal-close:hover {
    color: #d83a2b;
}
.cY-modal-body {
    padding: 1.5rem;
}
/* 模态框内的表单微调 */
.cY-modal-body #hotel-booking-app {
    margin: 0;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
}
.cY-modal-body #hotel-booking-app:hover {
    transform: none;
}