/* ─────────────────────────────────────────────────────────────
   JeBeauty Admin Portal — 客戶管理系統
   Basic Auth: je / beauty
   API: https://jebeauty-admin-je.lunson.workers.dev
───────────────────────────────────────────────────────────── */

:root {
  --bg: #faf7f5;
  --card: #ffffff;
  --primary: #c9a96e;
  --primary-dark: #a07840;
  --text: #2a2a2a;
  --text-light: #666;
  --border: #e8e0d5;
  --danger: #d44;
  --success: #4a7;
}

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

body {
  font-family: -apple-system, 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── Login ── */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.login-box h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary-dark);
}

.login-box p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 32px;
}

.login-box input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  margin-bottom: 12px;
  background: var(--bg);
}

.login-box button {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}

.login-box button:hover { background: var(--primary-dark); }

.login-error {
  color: var(--danger);
  font-size: 14px;
  margin-top: 12px;
  display: none;
}

/* ── App Shell ── */
.app { display: none; }

.app-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
}

.app-header-right { display: flex; align-items: center; gap: 16px; }

.app-header-right span {
  font-size: 13px;
  color: var(--text-light);
}

.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }

.btn-danger { background: var(--danger); color: #fff; }

/* ── Search Bar ── */
.search-section {
  padding: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.search-row {
  display: flex;
  gap: 12px;
}

.search-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: var(--bg);
}

/* ── Client List ── */
.client-list {
  padding: 16px 24px;
  display: grid;
  gap: 12px;
}

.client-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  cursor: pointer;
  transition: box-shadow 0.2s;
}

.client-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

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

.client-card-meta {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  gap: 16px;
}

.client-card-right {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.client-card-spent {
  font-size: 14px;
  color: var(--primary-dark);
  font-weight: 600;
}

.client-card-remaining {
  font-size: 12px;
  color: var(--text-light);
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

/* ── Modal / Form ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--card);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ── Form Fields ── */
.form-group {
  margin-bottom: 20px;
}

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

.form-label .optional {
  font-weight: 400;
  color: var(--text-light);
  font-size: 12px;
  margin-left: 4px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: var(--bg);
}

.form-textarea { resize: vertical; min-height: 64px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Section Title ── */
.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 12px;
  margin-top: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── Sub-entry Cards (Remarks, Procedures) ── */
.sub-entry {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.sub-entry-text {
  font-size: 14px;
  line-height: 1.5;
  flex: 1;
}

.sub-entry-delete {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 18px;
  margin-left: 8px;
  padding: 0 4px;
}

.sub-entry-remaining {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

.add-entry-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.add-entry-row input { flex: 1; }

.add-entry-row button {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}

.add-entry-row button:hover { background: var(--primary-dark); }

/* ── Totals Summary ── */
.totals-box {
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}

.totals-box h4 {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 4px;
}

.totals-box .amount {
  font-size: 28px;
  font-weight: 700;
}

/* ── Loading ── */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
}

/* ── Utility ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .app-header { padding: 0 16px; }
  .search-section { padding: 16px; }
  .client-list { padding: 12px 16px; }
  .modal-body { padding: 16px; }
}