/* RSM 样式 - 移动优先 + WeChat 浏览器友好 */
:root {
  --primary: #1f6feb;
  --primary-dark: #1858c4;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --bg: #f5f7fa;
  --card: #ffffff;
  --border: #e3e6eb;
  --text: #1e293b;
  --muted: #64748b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif; font-size: 14px; line-height: 1.55; }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* Header */
.rsm-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.rsm-header-inner { max-width: 1280px; margin: 0 auto; padding: 0 16px; height: 56px; display: flex; align-items: center; gap: 16px; }
.rsm-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.rsm-logo .logo-mark { background: var(--primary); color: #fff; padding: 4px 9px; border-radius: 6px; font-size: 13px; letter-spacing: 1px; }
.rsm-logo .logo-text { font-size: 15px; color: var(--text); }
.rsm-nav { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-wrap: wrap; }
.rsm-nav a { color: var(--text); padding: 6px 4px; font-size: 14px; }
.rsm-nav a:hover { color: var(--primary); }
.rsm-user { color: var(--muted); font-size: 13px; padding-left: 8px; border-left: 1px solid var(--border); }
.rsm-user small { color: var(--primary); margin-left: 4px; }
.rsm-logout { color: var(--danger) !important; }
.rsm-lang { color: var(--muted); font-size: 12px; }
.rsm-lang a { color: var(--muted); }
.rsm-lang a.active { color: var(--primary); font-weight: 600; }
.rsm-menu-toggle { display: none; background: transparent; border: 1px solid var(--border); border-radius: 6px; font-size: 20px; padding: 4px 10px; cursor: pointer; }

/* Main */
.rsm-main { max-width: 1280px; margin: 0 auto; padding: 18px 16px 80px; }

/* Flash */
.rsm-flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.rsm-flash.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.rsm-flash.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.rsm-flash.flash-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.rsm-flash.flash-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* Card */
.rsm-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.rsm-card h2 { margin: 0 0 12px 0; font-size: 18px; }
.rsm-card .subtitle { color: var(--muted); font-size: 13px; margin-bottom: 12px; }

/* Toolbar */
.rsm-toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.rsm-toolbar .spacer { flex: 1; }

/* Form */
.rsm-form { display: block; }
.rsm-form .field { margin-bottom: 14px; }
.rsm-form label { display: block; font-weight: 500; color: var(--text); margin-bottom: 6px; font-size: 13px; }
.rsm-form label .required { color: var(--danger); margin-left: 2px; }
.rsm-form input[type="text"], .rsm-form input[type="email"], .rsm-form input[type="tel"], .rsm-form input[type="password"], .rsm-form input[type="number"], .rsm-form input[type="date"], .rsm-form select, .rsm-form textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 7px; font-size: 14px; background: #fff; transition: border-color 0.15s, box-shadow 0.15s;
}
.rsm-form input:focus, .rsm-form select:focus, .rsm-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.15); }
.rsm-form textarea { min-height: 80px; resize: vertical; }
.rsm-form .field-error { display: block; color: var(--danger); font-size: 12px; margin-top: 4px; }
.rsm-form .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.rsm-form input.invalid, .rsm-form select.invalid, .rsm-form textarea.invalid { border-color: var(--danger); }

.rsm-form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.rsm-form-row .field { margin-bottom: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 9px 18px; font-size: 14px; border-radius: 7px; border: 1px solid transparent; cursor: pointer; font-weight: 500; text-decoration: none; line-height: 1.2; user-select: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { display: flex; width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* Table */
.rsm-table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); background: #fff; }
.rsm-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.rsm-table th, .rsm-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.rsm-table th { background: #f8fafc; color: var(--muted); font-weight: 600; font-size: 12.5px; letter-spacing: .3px; }
.rsm-table tr:last-child td { border-bottom: none; }
.rsm-table tr:hover { background: #f8fafc; }
.rsm-table .actions { display: flex; gap: 6px; }
.rsm-empty { padding: 32px; text-align: center; color: var(--muted); }

/* Badge */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.badge-active, .badge-approved, .badge-completed, .badge-delivered, .badge-returned { background: #ecfdf5; color: #065f46; }
.badge-pending_approval, .badge-pending { background: #fffbeb; color: #92400e; }
.badge-rejected, .badge-cancelled { background: #fef2f2; color: #991b1b; }
.badge-in_delivery, .badge-in_use { background: #eff6ff; color: #1e40af; }
.badge-returning { background: #f3e8ff; color: #6b21a8; }
.badge-inactive { background: #f1f5f9; color: #475569; }

/* Pagination */
.rsm-pagination { display: flex; align-items: center; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.rsm-pagination a, .rsm-pagination span { padding: 5px 10px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 13px; }
.rsm-pagination a:hover { background: var(--bg); }
.rsm-pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.rsm-pagination .page-info { border: none; padding-left: 0; color: var(--muted); }

/* Loan items repeater */
.loan-items-table { width: 100%; border-collapse: collapse; }
.loan-items-table th, .loan-items-table td { padding: 8px; border: 1px solid var(--border); font-size: 13px; }
.loan-items-table th { background: #f8fafc; }
.loan-items-table input, .loan-items-table textarea { width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 5px; font-size: 13px; }
.loan-items-table .remove-row { background: var(--danger); color: #fff; border: none; padding: 4px 10px; border-radius: 4px; cursor: pointer; }

/* Footer */
.rsm-footer { padding: 20px; text-align: center; color: var(--muted); font-size: 12px; border-top: 1px solid var(--border); background: #fff; }

/* Login */
.login-wrap { max-width: 420px; margin: 60px auto; }
.login-wrap .rsm-card { padding: 32px; }
.login-wrap h2 { text-align: center; }
.login-tip { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 24px; }

/* Status row */
.status-row { display: flex; align-items: center; gap: 8px; }

/* Photo grid */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.photo-grid img { width: 100%; height: 120px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.photo-grid .photo-item { position: relative; }
.photo-grid .photo-remove { position: absolute; top: 4px; right: 4px; background: rgba(0,0,0,.6); color: #fff; border: none; border-radius: 50%; width: 20px; height: 20px; cursor: pointer; }

/* Detail KV */
.kv-table { width: 100%; }
.kv-table td { padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 14px; vertical-align: top; }
.kv-table td:first-child { color: var(--muted); width: 130px; }

/* Mobile */
@media (max-width: 768px) {
  .rsm-header-inner { gap: 8px; }
  .logo-text { display: none; }
  .rsm-menu-toggle { display: inline-block; margin-left: auto; }
  .rsm-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 16px; flex-direction: column; align-items: stretch; gap: 4px; box-shadow: 0 6px 12px rgba(0,0,0,.06); }
  .rsm-nav.open { display: flex; }
  .rsm-nav a { padding: 10px 0; border-bottom: 1px solid var(--border); }
  .rsm-user, .rsm-lang { padding: 8px 0; border-bottom: 1px solid var(--border); border-left: none; }
  .rsm-table th, .rsm-table td { padding: 8px; }
  .rsm-main { padding: 12px 12px 80px; }
  .rsm-card { padding: 14px; }
  .login-wrap { margin: 20px auto; }
}

@media (orientation: landscape) and (max-height: 500px) {
  .rsm-header { position: relative; }
}