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

:root {
    --primary: #4A90D9;
    --primary-dark: #357ABD;
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
    --bg: #F5F6FA;
    --card: #FFFFFF;
    --text: #1A1A2E;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.10);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 560px;
    margin: 0 auto;
    padding: 20px 16px 40px;
}

/* 顶部 */
.header {
    text-align: center;
    padding: 24px 0 16px;
}

.header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
}

.back-link, .link-admin {
    display: inline-block;
    margin-top: 8px;
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
}

/* 日期 */
.date-badge {
    text-align: center;
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding: 8px 16px;
    background: var(--card);
    border-radius: 20px;
    display: inline-block;
    width: 100%;
}

/* 部门卡片网格 */
.dept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.dept-card {
    display: block;
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px 12px;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    transition: all 0.2s;
    border: 2px solid transparent;
    position: relative;
}

.dept-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dept-card.submitted {
    border-color: var(--success);
    background: #F0FFF4;
}

.dept-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.dept-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.dept-person {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.dept-status {
    margin-top: 4px;
}

.badge-done {
    font-size: 12px;
    background: var(--success);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
}

.badge-pending {
    font-size: 12px;
    background: #FFF3E0;
    color: var(--warning);
    padding: 3px 10px;
    border-radius: 12px;
}

.footer-links {
    text-align: center;
    margin-top: 20px;
}

/* 通用卡片 */
.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

/* 填写表单 */
.form-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    font-size: 17px;
    font-weight: 600;
}

.form-person {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 14px;
    margin-left: auto;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.required {
    color: var(--danger);
}

.input-with-unit {
    display: flex;
    align-items: center;
}

.input-with-unit input {
    flex: 1;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 17px;
    outline: none;
    transition: border-color 0.2s;
    background: #FAFBFC;
}

.input-with-unit input:focus {
    border-color: var(--primary);
    background: #FFF;
}

.unit {
    margin-left: 10px;
    font-size: 14px;
    color: var(--text-muted);
    min-width: 28px;
}

textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s;
    background: #FAFBFC;
}

textarea:focus {
    border-color: var(--primary);
    background: #FFF;
}

.btn-submit {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #FFF;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}

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

.btn-submit:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
}

.submit-hint {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Toast */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

.toast-success {
    background: var(--success);
    color: #FFF;
}

.toast-error {
    background: var(--danger);
    color: #FFF;
}

.toast.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(-20px);
}

/* 已提交卡片 */
.submitted-card {
    text-align: center;
    background: #F0FFF4;
    border: 2px solid var(--success);
}

.submitted-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.submitted-card h2 {
    font-size: 20px;
    color: var(--success);
    margin-bottom: 4px;
}

.submitted-time {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.lock-notice {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* 数据表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table td {
    padding: 8px 4px;
    border-bottom: 1px solid #E8F5E9;
}

.data-label {
    font-size: 14px;
    color: var(--text-secondary);
    width: 50%;
}

.data-value {
    font-size: 15px;
    font-weight: 500;
}

/* 管理面板 */
.header-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    justify-content: center;
}

.btn-sm {
    display: inline-block;
    padding: 6px 14px;
    background: var(--border);
    color: var(--text);
    border: none;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}

.btn-sm:hover {
    background: #D1D5DB;
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-bar label {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-bar input[type="date"] {
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
}

.filter-bar input[type="date"]:focus {
    border-color: var(--primary);
}

.completion-bar {
    width: 100%;
    height: 36px;
    background: #F0F0F0;
    border-radius: 18px;
    overflow: hidden;
    margin: 12px 0;
}

.completion-fill {
    height: 100%;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #FFF;
    min-width: 60px;
    transition: width 0.5s ease;
}

.completion-detail {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
}

.text-warn { color: var(--danger); }
.text-ok { color: var(--success); }

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}

.summary-item {
    background: #F9FAFB;
    border-radius: 10px;
    padding: 12px;
    text-align: center;
}

.summary-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.summary-value {
    font-size: 20px;
    font-weight: 700;
}

.summary-value small {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
}

/* 记录列表 */
.record-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

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

.record-header {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 6px;
}

.record-dept {
    font-weight: 600;
    font-size: 14px;
}

.record-person {
    font-size: 13px;
    color: var(--text-muted);
}

.record-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
}

.record-data {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.record-data span {
    font-size: 13px;
    background: #F3F4F6;
    padding: 3px 10px;
    border-radius: 6px;
}

.record-note {
    width: 100%;
    background: #FFF8E1 !important;
}

/* 登录 */
.login-card {
    max-width: 340px;
    margin: 0 auto;
}

.alert-error {
    background: #FFF0F0;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.login-card input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    outline: none;
    background: #FAFBFC;
}

.login-card input[type="password"]:focus {
    border-color: var(--primary);
    background: #FFF;
}

.spinner {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
    font-size: 14px;
}

.muted {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 400px) {
    .dept-grid {
        grid-template-columns: 1fr;
    }
    .summary-grid {
        grid-template-columns: 1fr;
    }
}