/* ========== 中国风 · 返修入库系统 ========== */
:root {
    --bg-page: #f5efe6;           /* 宣纸底色 */
    --card-bg: #fefcf8;           /* 牙白 */
    --text-primary: #2c2c2c;      /* 墨色 */
    --text-secondary: #6b5a4e;    /* 深褐 */
    --text-muted: #9c8a7c;        /* 浅褐 */
    --border-light: #e0d6c8;      /* 浅茶 */
    --accent-red: #c43b3b;        /* 朱红 */
    --accent-gold: #d4b886;       /* 淡金 */
    --accent-ink: #3a3a3a;        /* 浓墨 */
    --shadow-sm: 0 2px 6px rgba(0,0,0,0.02), 0 4px 8px rgba(0,0,0,0.02);
    --radius-card: 20px;
    --radius-item: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Times New Roman", "宋体", "Songti SC", "SimSong", "华文宋体", "PingFang SC", "Microsoft YaHei", serif;
    background: var(--bg-page);
    background-image: 
        linear-gradient(rgba(212, 184, 134, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 184, 134, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom);
    position: relative;
}

/* 宣纸纹理叠加 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M10 10 L 90 10 L 90 90 L 10 90 Z" fill="none" stroke="rgba(180,140,100,0.02)" stroke-width="0.5"/><circle cx="20" cy="30" r="1.5" fill="rgba(160,120,80,0.03)"/><circle cx="70" cy="60" r="1" fill="rgba(160,120,80,0.02)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

.app-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px 16px 32px;
    position: relative;
    z-index: 2;
}

/* ----- 头部（中国风）----- */
.app-header {
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: 12px;
    position: relative;
}

.app-header::after {
    content: "⚡ 匠心 · 精工 ⚡";
    position: absolute;
    right: 0;
    bottom: -24px;
    font-size: 0.6rem;
    color: var(--accent-red);
    letter-spacing: 4px;
    opacity: 0.6;
    font-family: "华文楷体", "KaiTi", "楷体", serif;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.app-title {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 6px;
    color: var(--accent-ink);
    margin: 0;
    font-family: "华文楷体", "KaiTi", "站酷标题楷体", "楷体", serif;
    text-shadow: 2px 2px 2px rgba(196, 59, 59, 0.05);
    position: relative;
    display: inline-block;
}

.app-title::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-red);
    border-radius: 4px;
    opacity: 0.7;
}

.header-actions {
    display: flex;
    gap: 4px;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    width: 44px;
    height: 44px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.2s;
    background: var(--card-bg);
}

.icon-btn:hover {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red);
}

.header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.user-tag, .date-range-tag, .readonly-tag {
    background: var(--card-bg);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border-light);
    font-family: "华文楷体", "KaiTi", serif;
}

.readonly-tag {
    background: #f0e9e0;
    color: var(--accent-red);
    border-color: rgba(196, 59, 59, 0.2);
}

.readonly-tag i {
    color: var(--accent-red);
}

/* ----- MQTT 轻量卡（中国风）----- */
.mqtt-mini-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    padding: 16px 20px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.mqtt-mini-card::after {
    content: "❀";
    position: absolute;
    right: 10px;
    bottom: 2px;
    font-size: 2rem;
    color: var(--accent-red);
    opacity: 0.05;
    transform: rotate(15deg);
}

.mqtt-left {
    display: flex;
    flex-direction: column;
}

.mqtt-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-family: "华文楷体", "KaiTi", serif;
    letter-spacing: 2px;
}

.mqtt-number {
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1;
    color: var(--accent-ink);
    letter-spacing: 2px;
    font-family: "Times New Roman", serif;
}

.mqtt-number.error {
    color: var(--accent-red);
}

.mqtt-right {
    text-align: right;
}

.mqtt-update {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.mqtt-status {
    font-size: 0.65rem;
    padding: 4px 10px;
    border-radius: 30px;
    background: #ede7df;
    color: var(--text-secondary);
    display: inline-block;
    font-weight: 400;
    border: 1px solid var(--border-light);
}

.mqtt-status.online {
    background: #d4e0d4;
    color: #2e6b2e;
    border-color: #a0c0a0;
}

.mqtt-status.error {
    background: #f1dbdb;
    color: #a14444;
    border-color: #d4a0a0;
}

/* ----- 三统计卡片（中国风印章感）----- */
.stats-row {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.stat-item {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 16px 0;
    flex: 1;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: relative;
}

.stat-item::after {
    content: "";
    position: absolute;
    bottom: 8px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
    opacity: 0.3;
}

.stat-value {
    font-size: 1.9rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--accent-ink);
    font-family: "Times New Roman", serif;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 6px;
    font-family: "华文楷体", "KaiTi", serif;
    letter-spacing: 2px;
}

/* ----- 日卡片（中国风卷轴感）----- */
.day-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    margin-bottom: 6px;
    padding: 14px 0 4px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
    position: relative;
}

.day-card::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--accent-red), transparent);
    opacity: 0.2;
}

.day-card-header {
    padding: 0 18px 10px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 1px dashed var(--border-light);
}

.day-date {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.day-week {
    font-size: 0.9rem;
    color: var(--accent-red);
    text-transform: uppercase;
    font-family: "华文楷体", "KaiTi", serif;
    letter-spacing: 2px;
}

.day-num {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: "Times New Roman", serif;
}

.day-summary {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 12px;
    font-family: "华文楷体", "KaiTi", serif;
}

.day-items {
    padding: 6px 0;
}

.item-row {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-light);
}

.item-row:last-child {
    border-bottom: none;
}

.item-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.item-model {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
}

.item-model i {
    color: var(--accent-red);
    font-size: 0.85rem;
}

.item-qty {
    background: #f3ede4;
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-light);
    color: var(--accent-ink);
}

.item-detail {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    font-family: "华文楷体", "KaiTi", serif;
}

.item-salary {
    color: #9e6b4c;
}

.item-amount {
    font-weight: 600;
    color: var(--accent-ink);
}

/* ----- 空状态 ----- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
    color: var(--accent-red);
}

.btn-filter-empty {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 40px;
    padding: 10px 24px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-family: "华文楷体", "KaiTi", serif;
}

/* ----- 底部汇总（印章样式）----- */
.footer-summary {
    display: flex;
    justify-content: space-around;
    background: var(--card-bg);
    border-radius: 40px;
    padding: 14px 10px;
    margin-top: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: "华文楷体", "KaiTi", serif;
    position: relative;
}

.footer-summary::after {
    content: "印";
    position: absolute;
    right: 20px;
    top: -10px;
    font-size: 1.2rem;
    color: var(--accent-red);
    opacity: 0.3;
    font-family: "华文楷体", "KaiTi", serif;
    transform: rotate(10deg);
}

.footer-summary strong {
    font-weight: 600;
    color: var(--accent-ink);
    margin-left: 6px;
    font-size: 1rem;
}

/* ----- 模态框中国风 ----- */
.minimal-modal .modal-content {
    border: 1px solid var(--border-light);
    border-radius: 28px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    background: var(--card-bg);
}

.minimal-modal .modal-header {
    border-bottom: 1px dashed var(--border-light);
    padding: 18px 20px;
}

.minimal-modal .modal-title {
    font-weight: 500;
    font-size: 1.3rem;
    font-family: "华文楷体", "KaiTi", serif;
    letter-spacing: 3px;
    color: var(--accent-ink);
}

.minimal-modal .modal-body {
    padding: 20px;
}

.minimal-modal .form-control {
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 12px 16px;
    background: #fefcf8;
    font-family: inherit;
}

.minimal-modal .form-label {
    font-family: "华文楷体", "KaiTi", serif;
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.minimal-modal .btn {
    border-radius: 40px;
    padding: 10px 24px;
    font-weight: 400;
    font-family: "华文楷体", "KaiTi", serif;
}

.minimal-modal .btn-primary {
    background: var(--accent-red);
    border-color: var(--accent-red);
}

.minimal-modal .btn-primary:hover {
    background: #a83232;
    border-color: #a83232;
}

.minimal-modal .btn-outline-secondary {
    border-color: var(--border-light);
    color: var(--text-secondary);
}

/* 手机极窄适配 */
@media (max-width: 400px) {
    .app-wrapper { padding: 12px 12px 24px; }
    .app-title { font-size: 1.7rem; letter-spacing: 3px; }
    .stats-row { gap: 6px; }
    .stat-value { font-size: 1.6rem; }
    .mqtt-number { font-size: 2.2rem; }
    .item-detail { gap: 12px; }
    .day-card-header { padding: 0 14px 10px; }
}