/* ============================================================
   ระบบจัดการห้องพัก — The Grand Building
   Font: Sarabun (TH/EN)
   Theme: Light (default) + Dark (via class .dark on <body>)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

/* ============= CSS VARIABLES ============= */
:root {
  /* Brand */
  --brand: #FF7323;
  --brand-light: #FF7323;
  --brand-pale: #FFE7DC;
  --brand-text: #FFFFFF;
  --brand-dark: #7A2E0A;

  /* Light theme (default) */
  --bg: #F5F5F0;
  --surface: #FFFFFF;
  --surface2: #FAFAF8;
  --border: #E0DFD8;
  --border2: #D3D1C7;
  --border3: #F1EFE8;

  --text: #1A1A18;
  --text2: #5F5E5A;
  --text3: #888780;
  --text4: #B4B2A9;

  /* Status colors */
  --green: #3B6D11;
  --green-bg: #EAF3DE;
  --green-border: #C0DD97;

  --red: #791F1F;
  --red-bg: #FCEBEB;
  --red-border: #F7C1C1;

  --amber: #854F0B;
  --amber-bg: #FAEEDA;
  --amber-border: #E8B96A;

  --blue: #185FA5;
  --blue-bg: #E6F1FB;
  --blue-border: #A8CDEF;

  --purple: #3C3489;
  --purple-bg: #EEEDFE;
  --purple-border: #C5C2F5;

  --gray: #444441;
  --gray-bg: #F1EFE8;
  --gray-border: #D3D1C7;

  /* Sidebar */
  --sidebar-bg: #1A1A18;
  --sidebar-border: #2E2E28;
  --sidebar-hover: #26261F;
  --sidebar-text: #B4B2A9;
  --sidebar-text-active: #F0EEEA;
  --sidebar-section: #5F5E5A;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
}

/* ============= DARK THEME ============= */
body.dark {
  --bg: #1A1A18;
  --surface: #26261F;
  --surface2: #2C2C24;
  --border: #3A3A32;
  --border2: #3A3A32;
  --border3: #2E2E28;

  --text: #F0EEEA;
  --text2: #B4B2A9;
  --text3: #888780;
  --text4: #5F5E5A;

  --green: #5AA827;
  --green-bg: #1A2E0A;
  --green-border: #3B6D11;

  --red: #E24B4A;
  --red-bg: #2E0F0F;
  --red-border: #791F1F;

  --amber: #E8B96A;
  --amber-bg: #2C1E06;
  --amber-border: #854F0B;

  --blue: #5BA3E0;
  --blue-bg: #0A1E35;
  --blue-border: #185FA5;

  --purple: #8B82F0;
  --purple-bg: #16133A;
  --purple-border: #3C3489;

  --gray: #B4B2A9;
  --gray-bg: #2C2C24;
  --gray-border: #3A3A32;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
}

/* ============= RESET ============= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Sarabun', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: 'Sarabun', sans-serif; cursor: pointer; }
input, select, textarea { font-family: 'Sarabun', sans-serif; }

/* ============= LAYOUT ============= */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ============= SIDEBAR ============= */
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 200;
  overflow-y: auto;
  transition: transform 0.3s;
}

.sidebar-top {
  padding: 18px 16px 12px;
  border-bottom: 0.5px solid var(--sidebar-border);
}

.sidebar-building {
  font-size: 12px;
  color: var(--brand-light);
  font-weight: 500;
  margin-bottom: 2px;
  letter-spacing: 0.03em;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--sidebar-text-active);
  line-height: 1.3;
}

.sidebar-user {
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--brand-text); font-weight: 600;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-email { font-size: 12.5px; color: var(--sidebar-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11.5px; color: var(--brand-light); }

.sidebar-nav { padding: 8px 0; flex: 1; }

.nav-section {
  font-size: 11px;
  color: var(--sidebar-section);
  padding: 10px 16px 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--sidebar-text);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s;
  user-select: none;
}

.nav-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-active); }

.nav-item.active {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
  border-left-color: var(--brand-light);
}

.nav-item .nav-icon { font-size: 16.5px; width: 18px; text-align: center; flex-shrink: 0; }

/* notification badge on nav */
.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sidebar-bottom {
  padding: 10px 16px;
  border-top: 0.5px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.lang-btn {
  font-size: 10px;
  padding: 3px 8px;
  border: 0.5px solid var(--sidebar-border);
  border-radius: 5px;
  background: transparent;
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn.active, .lang-btn:hover {
  background: var(--brand-light);
  color: var(--brand-dark);
  border-color: var(--brand-light);
  font-weight: 600;
}

.theme-btn {
  font-size: 14px;
  background: transparent;
  border: 0.5px solid var(--sidebar-border);
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--sidebar-text);
  cursor: pointer;
  transition: all 0.15s;
}

.theme-btn:hover { border-color: var(--brand-light); }

.logout-btn {
  margin-left: auto;
  font-size: 10px;
  color: var(--red);
  padding: 2px 7px;
  border: 0.5px solid var(--red);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.logout-btn:hover { background: var(--red-bg); }

/* ============= MAIN CONTENT ============= */
.main-content {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============= TOP BAR ============= */
.topbar {
  padding: 14px 24px;
  border-bottom: 0.5px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left .page-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.topbar-left .page-sub {
  font-size: 12px;
  color: var(--text3);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* notification bell */
.notif-btn {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  border: 0.5px solid var(--border2);
  background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  cursor: pointer;
  position: relative;
  color: var(--text2);
}

.notif-btn .badge {
  position: absolute;
  top: 4px; right: 4px;
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  border: 1.5px solid var(--surface);
}

/* ============= PAGE CONTENT ============= */
.page-content {
  display: none;
  padding: 20px 24px;
  flex: 1;
  max-width: 1400px;
}

.page-content.active { display: block; }

/* Settings page needs flex layout */
#page-settings.active { display: flex; flex-direction: column; padding: 0; }

/* ============= BUTTONS ============= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand);
  color: var(--brand-text);
}

.btn-primary:hover { background: var(--brand-light); }

.btn-outline {
  background: var(--surface);
  border: 1.5px solid var(--brand);
  color: var(--brand);
}

.btn-outline:hover { background: var(--brand-pale); }

.btn-danger {
  background: var(--red-bg);
  border: 0.5px solid var(--red-border);
  color: var(--red);
}

.btn-danger:hover { opacity: 0.8; }

.btn-ghost {
  background: transparent;
  border: 0.5px solid var(--border2);
  color: var(--text2);
}

.btn-ghost:hover { background: var(--surface2); border-color: var(--border); }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }

/* colored small buttons */
.btn-view   { background: var(--blue-bg); border: 0.5px solid var(--blue-border); color: var(--blue); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-gray   { background: var(--surface2); border: 0.5px solid var(--border2); color: var(--text3); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-edit   { background: var(--green-bg); border: 0.5px solid var(--green-border); color: var(--green); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-del    { background: var(--red-bg); border: 0.5px solid var(--red-border); color: var(--red); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-moveout { background: #FFF2DA; border: 0.5px solid var(--amber-border); color: var(--amber); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-share  { background: var(--purple-bg); border: 0.5px solid var(--purple-border); color: var(--purple); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-print  { background: var(--gray-bg); border: 0.5px solid var(--gray-border); color: var(--gray); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }
.btn-pay    { background: var(--green-bg); border: 0.5px solid var(--green-border); color: var(--green); font-size: 11px; padding: 3px 9px; border-radius: var(--radius-xs); }

/* ============= CARDS ============= */
.card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 14px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--border3);
}

.card-title {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 7px;
}

/* ============= STATS GRID ============= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.blue::before   { background: var(--blue); }
.stat-card.green::before  { background: var(--green); }
.stat-card.red::before    { background: var(--red); }
.stat-card.amber::before  { background: var(--amber); }

.stat-label { font-size: 12.5px; color: var(--text3); margin-bottom: 4px; }
.stat-val   { font-size: 28px; font-weight: 600; line-height: 1; }
.stat-sub   { font-size: 12.5px; color: var(--text4); margin-top: 3px; }

.stat-val.blue   { color: var(--blue); }
.stat-val.green  { color: var(--green); }
.stat-val.red    { color: var(--red); }
.stat-val.amber  { color: var(--amber); }

/* ============= ROOM GRID ============= */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 10px;
}

/* ===== มินิกริด — เห็นทุกห้องในหน้าเดียว ไม่ต้องเลื่อน ===== */
.mini-room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 6px;
}
.mini-room-card {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.1s;
  user-select: none;
}
.mini-room-card:hover { transform: scale(1.08); z-index: 2; box-shadow: 0 2px 6px rgba(0,0,0,0.2); }
.mini-room-card.vacant   { background: var(--green-bg); border-color: var(--green); color: var(--green); }
.mini-room-card.occupied { background: var(--red-bg); border-color: var(--red); color: var(--red); }
.mini-room-card.occupied-daily { background: #F0EBFC; border-color: #5F1F79; color: #5F1F79; }
body.dark .mini-room-card.occupied-daily { background: #2A1638; border-color: #B583D9; color: #B583D9; }
.mini-room-card.cleaning { background: var(--surface2); border-color: var(--text3); color: var(--text3); }

.mini-legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: middle; }
.mini-legend-dot.vacant   { background: var(--green-bg); border: 1px solid var(--green); }
.mini-legend-dot.occupied { background: var(--red-bg); border: 1px solid var(--red); }
.mini-legend-dot.occupied-daily { background: #F0EBFC; border: 1px solid #5F1F79; }
body.dark .mini-legend-dot.occupied-daily { background: #2A1638; border-color: #B583D9; }
.mini-legend-dot.cleaning { background: var(--surface2); border: 1px solid var(--text3); }

.floor-section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 20px 0 10px;
  padding: 8px 12px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--brand);
}
.floor-section-title:first-child { margin-top: 0; }

.room-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s;
  display: flex;
  flex-direction: column;
}

.room-card:hover { box-shadow: var(--shadow-md); }

.room-card.vacant   { background: var(--green-bg); border-left-color: var(--green); }
.room-card.occupied { background: var(--red-bg); border-left-color: var(--red); }
.room-card.occupied-daily { background: #F0EBFC; border-left-color: #5F1F79; }
body.dark .room-card.occupied-daily { background: #2A1638; border-left-color: #B583D9; }
.room-card.booked   { background: var(--purple-bg); border-left-color: var(--purple); }
.room-card.cleaning { background: var(--surface2); border-left-color: var(--text3); }

.room-floor  { font-size: 12px; color: var(--text3); margin-bottom: 2px; }
.room-number { font-size: 21px; font-weight: 600; color: var(--text); }
.room-type   { font-size: 13px; color: var(--text2); margin-bottom: 6px; }
.room-tenant { font-size: 15px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 5px; }
.room-price  { font-size: 13px; color: var(--text); font-weight: 600; margin-bottom: 6px; }
.room-date   { font-size: 12px; color: var(--purple); margin-top: 3px; }

.tenant-choice-card {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.tenant-choice-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

.room-actions {
  display: flex;
  gap: 5px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 0.5px solid var(--border3);
}

.room-actions .btn-edit,
.room-actions .btn-del { flex: 1; text-align: center; }

/* ============= STATUS BADGES ============= */
.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}

.badge-green   { background: var(--green-bg);  color: var(--green); }
.badge-brand   { background: var(--brand-pale); color: var(--brand); }
.badge-nextqueue { background: #EDF9FE; color: #003A69; }
.badge-rentdaily { background: #F0EBFC; color: #5F1F79; }
body.dark .badge-nextqueue { background: #0A2333; color: #7EC3EC; }
body.dark .badge-rentdaily { background: #2A1638; color: #D3AEEC; }
.badge-red     { background: var(--red-bg);    color: var(--red); }
.badge-amber   { background: var(--amber-bg);  color: var(--amber); }
.badge-blue    { background: var(--blue-bg);   color: var(--blue); }
.badge-purple  { background: var(--purple-bg); color: var(--purple); }
.badge-gray    { background: var(--gray-bg);   color: var(--gray); }

/* ============= TABLES ============= */
.table-wrap { overflow-x: auto; }

.tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 0.5px solid var(--border);
}

.tbl thead th {
  padding: 10px 12px;
  text-align: left;
  font-size: 12.5px;
  color: var(--text3);
  font-weight: 500;
  border-bottom: 0.5px solid var(--border);
  background: var(--surface2);
  white-space: nowrap;
}

.tbl tbody td {
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 0.5px solid var(--border3);
  vertical-align: middle;
}

.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover td { background: var(--brand-pale); }
#page-tenants .tbl tbody tr:hover td, #page-bills .tbl tbody tr:hover td { background: #FFF5F0; }
.tbl tbody tr.selected td { background: var(--brand-pale); }
body.dark .tbl tbody tr.selected td { background: rgba(29,158,117,0.1); }
.tbl tbody tr.row-cancelled td { background: var(--surface2); }
.tbl tbody tr.row-cancelled:hover td { background: var(--border3); }
#page-bills .tbl tbody tr.row-cancelled:hover td { background: var(--border3); }

/* ============= CHECKBOX ============= */
.chk {
  width: 16px; height: 16px;
  border: 1.5px solid var(--border2);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 10px;
  flex-shrink: 0;
  background: var(--surface);
  transition: all 0.15s;
}

.chk.on { background: var(--brand); border-color: var(--brand); color: var(--brand-text); }
.chk.disabled { background: var(--surface2); border-color: var(--border3); cursor: default; }

/* ============= ACTION BAR (bulk select) ============= */
.action-bar {
  padding: 9px 18px;
  background: var(--sidebar-bg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-bar-txt { font-size: 13.5px; color: #f0eeea; }
.action-bar-txt span { color: var(--brand-light); font-weight: 600; }
.action-bar .spacer { flex: 1; }

.ab-btn {
  padding: 5px 13px;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border: none;
}

.ab-btn.print { background: #fff; color: #1a1a18; }
.ab-btn.pdf   { background: var(--brand-light); color: var(--brand-dark); }
.ab-btn.cancel { background: transparent; border: 0.5px solid #3a3a32; color: var(--sidebar-text); }

/* ============= TABS (doc type) ============= */
.doc-tabs {
  display: flex;
  border-bottom: 0.5px solid var(--border);
  background: var(--surface);
}

.doc-tab {
  flex: 1;
  padding: 11px 8px;
  text-align: center;
  font-size: 14px;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.doc-tab:hover { color: var(--text); }
.doc-tab.active { color: var(--brand); border-bottom-color: var(--brand); font-weight: 500; }

/* pill tabs */
.pill-tabs {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.pill-tab {
  padding: 5px 14px;
  border: 0.5px solid var(--border2);
  border-radius: 20px;
  font-size: 11.5px;
  color: var(--text2);
  cursor: pointer;
  background: transparent;
  transition: all 0.15s;
}

.pill-tab:hover { border-color: var(--brand); color: var(--brand); }
.pill-tab.active { background: var(--brand); color: var(--brand-text); border-color: var(--brand); font-weight: 500; }

.pill-tab-lg { padding: 9px 20px; font-size: 14px; border-radius: 22px; }

.collapse-arrow { display: inline-block; font-size: 10px; transition: transform 0.15s; color: var(--text3); }
details[open] > summary .collapse-arrow { transform: rotate(90deg); }
summary::-webkit-details-marker { display: none; }

/* ============= TOOLBAR ============= */
.toolbar {
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.toolbar .spacer { flex: 1; }

/* ============= SEARCH ============= */
.search-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 0.5px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  background: var(--surface2);
}

.search-wrap input {
  border: none;
  background: transparent;
  font-size: 12.5px;
  color: var(--text);
  outline: none;
  width: 200px;
}

.search-wrap input::placeholder { color: var(--text3); }
.search-icon { color: var(--text3); font-size: 14px; }

/* filter pills */
.filter-pill {
  padding: 5px 12px;
  border: 0.5px solid var(--border2);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text2);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-pill.on { background: var(--brand); border-color: var(--brand); color: var(--brand-text); font-weight: 500; }
/* แถบ tab สถานะห้อง — ใช้สีตามสถานะจริงแทนสีส้มเริ่มต้น (ยกเว้น "ทั้งหมด" ยังเป็นส้ม) */
#dash-fp-vacant.on, #rooms-fp-vacant.active { background: var(--green-bg); border-color: var(--green); color: var(--green); }
#dash-fp-occupied.on { background: var(--red-bg); border-color: var(--red); color: var(--red); }
#dash-fp-booked.on { background: #EDF9FE; border-color: #003A69; color: #003A69; }
#dash-fp-cleaning.on { background: var(--surface2); border-color: var(--text3); color: var(--text3); }
#dash-fp-repair.on { background: var(--surface2); border-color: var(--text3); color: var(--text3); }
#dash-fp-monthly.on { background: #EDF9FE; border-color: #003A69; color: #003A69; }
#dash-fp-daily.on { background: #F0EBFC; border-color: #5F1F79; color: #5F1F79; }
body.dark #dash-fp-monthly.on { background: #0A2333; border-color: #7EC3EC; color: #7EC3EC; }
body.dark #dash-fp-daily.on { background: #2A1638; border-color: #D3AEEC; color: #D3AEEC; }
body.dark #dash-fp-booked.on { background: #0A2333; border-color: #7EC3EC; color: #7EC3EC; }
#rooms-fp-monthly.active { background: #EDF9FE; border-color: #003A69; color: #003A69; }
#rooms-fp-daily.active { background: #F0EBFC; border-color: #5F1F79; color: #5F1F79; }
#rooms-fp-vacant:hover { border-color: var(--green); color: var(--green); }
#rooms-fp-monthly:hover { border-color: #003A69; color: #003A69; }
#rooms-fp-daily:hover { border-color: #5F1F79; color: #5F1F79; }
body.dark #rooms-fp-monthly.active, body.dark #rooms-fp-monthly:hover { background: #0A2333; border-color: #7EC3EC; color: #7EC3EC; }
body.dark #rooms-fp-daily.active, body.dark #rooms-fp-daily:hover { background: #2A1638; border-color: #D3AEEC; color: #D3AEEC; }
#rooms-fp-cleaning.active, #rooms-fp-repair.active { background: var(--surface2); border-color: var(--text3); color: var(--text3); }
#rooms-fp-cleaning:hover, #rooms-fp-repair:hover { border-color: var(--text3); color: var(--text3); }
.filter-pill:hover { border-color: var(--brand); }
#dash-fp-vacant:hover { border-color: var(--green); color: var(--green); }
#dash-fp-occupied:hover { border-color: var(--red); color: var(--red); }
#dash-fp-booked:hover { border-color: #003A69; color: #003A69; }
#dash-fp-cleaning:hover { border-color: var(--text3); color: var(--text3); }
#dash-fp-repair:hover { border-color: var(--text3); color: var(--text3); }
#dash-fp-monthly:hover { border-color: #003A69; color: #003A69; }
#dash-fp-daily:hover { border-color: #5F1F79; color: #5F1F79; }
body.dark #dash-fp-monthly:hover { border-color: #7EC3EC; color: #7EC3EC; }
body.dark #dash-fp-daily:hover { border-color: #D3AEEC; color: #D3AEEC; }
body.dark #dash-fp-booked:hover { border-color: #7EC3EC; color: #7EC3EC; }

/* ============= FORMS ============= */
.form-group { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.form-group:last-child { margin-bottom: 0; }

.form-label { font-size: 13px; color: var(--text2); }
.form-label .req { color: var(--red); }

.form-input, .form-select, .form-textarea {
  border: 0.5px solid var(--border2);
  border-radius: var(--radius-sm);
  background: var(--surface2);
  padding: 0 10px;
  font-size: 14.5px;
  color: var(--text);
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

.form-input, .form-select { height: 36px; }

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand);
}

.form-input.error, .form-select.error { border-color: var(--red); }

.form-textarea {
  padding: 8px 10px;
  resize: vertical;
  min-height: 60px;
}

.form-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.form-hint { font-size: 11px; color: var(--text3); margin-top: 2px; }
.form-error { font-size: 11px; color: var(--red); margin-top: 2px; }

.section-divider {
  font-size: 10.5px;
  color: var(--text3);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 12px 0 8px;
  padding-bottom: 5px;
  border-bottom: 0.5px solid var(--border3);
}

/* ============= MODALS ============= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
}

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

.modal {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 900px; }
.modal-a4 { max-width: 820px; width: 95vw; }
.modal-a4 .modal-body { padding: 0; background: #888; }

.modal-header {
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--border3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 15px; font-weight: 500; color: var(--text); }

.modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface2);
  border: 0.5px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--text2);
  cursor: pointer;
}

.modal-close:hover { background: var(--red-bg); color: var(--red); border-color: var(--red-border); }

.modal-body { padding: 18px 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 0.5px solid var(--border3);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* step indicator in modal */
.modal-steps {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 0.5px solid var(--border3);
  gap: 0;
}

.step-item { display: flex; align-items: center; gap: 6px; flex: 1; }
.step-num {
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
  flex-shrink: 0;
}

.step-num.active   { background: var(--brand); color: var(--brand-text); }
.step-num.done     { background: var(--brand); color: var(--brand-text); }
.step-num.inactive { background: var(--surface2); color: var(--text3); border: 0.5px solid var(--border2); }

.step-label { font-size: 11px; }
.step-label.active { color: var(--brand); font-weight: 500; }
.step-label.inactive { color: var(--text3); }

.step-line { flex: 1; height: 1px; background: var(--border); margin: 0 8px; }
.step-line.done { background: var(--brand); }

/* ============= ALERT / NOTIFICATION ============= */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 12px;
  border: 0.5px solid;
}

.alert-info    { background: var(--blue-bg);   border-color: var(--blue-border);   color: var(--blue); }
.alert-success { background: var(--green-bg);  border-color: var(--green-border);  color: var(--green); }
.alert-warning { background: var(--amber-bg);  border-color: var(--amber-border);  color: var(--amber); }
.alert-danger  { background: var(--red-bg);    border-color: var(--red-border);    color: var(--red); }

/* ============= NOTIFICATION DROPDOWN ============= */
.notif-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 320px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  display: none;
}

.notif-dropdown.open { display: block; }

.notif-header {
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--border3);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.notif-item {
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--border3);
  cursor: pointer;
  transition: background 0.1s;
}

.notif-item:hover { background: var(--surface2); }
.notif-item:last-child { border-bottom: none; }
.notif-item-title { font-size: 12.5px; color: var(--text); }
.notif-item-sub   { font-size: 11px; color: var(--text3); margin-top: 1px; }
.notif-item.unread .notif-item-title::before {
  content: '●';
  color: var(--brand);
  margin-right: 5px;
  font-size: 8px;
}

/* ============= SETTINGS NAV ============= */
.settings-layout { display: flex; flex: 1; overflow: hidden; gap: 0; }

.settings-nav {
  width: 190px;
  background: var(--surface);
  border-right: 0.5px solid var(--border);
  padding: 12px 0;
  flex-shrink: 0;
}

.snav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 14px;
  color: var(--text2);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}

.snav-item:hover { background: var(--surface2); color: var(--text); }
.snav-item.active { background: var(--bg); color: var(--brand); font-weight: 500; border-left-color: var(--brand); }

.settings-content { flex: 1; padding: 18px 22px; overflow-y: auto; }

/* ============= BILL DOCUMENT (print) ============= */
.doc-paper {
  background: #fff;
  color: #1a1a18;
  border: 0.5px solid #e0dfd8;
  border-radius: var(--radius);
  padding: 32px 36px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.doc-paper * { color: #1a1a18 !important; }

.doc-stripe {
  height: 4px;
  background: linear-gradient(90deg, #0F6E56, #1D9E75);
  border-radius: var(--radius) var(--radius) 0 0;
  margin: -32px -36px 24px;
}

.doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1.5px solid #1a1a18;
}

.doc-company-name { font-size: 14px; font-weight: 600; }
.doc-company-info { font-size: 11px; color: #5F5E5A !important; line-height: 1.7; margin-top: 3px; }
.doc-type-th { font-size: 22px; font-weight: 700; text-align: right; }
.doc-type-en { font-size: 12px; color: #888780 !important; text-align: right; }
.doc-num { font-size: 12px; color: #0F6E56 !important; font-weight: 500; text-align: right; margin-top: 4px; }
.doc-dates { font-size: 11px; color: #5F5E5A !important; text-align: right; line-height: 1.8; }

.doc-bill-to { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.doc-label { font-size: 10px; color: #888780 !important; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 5px; font-weight: 500; }
.doc-tenant-name { font-size: 13px; font-weight: 500; }
.doc-tenant-info { font-size: 11px; color: #5F5E5A !important; line-height: 1.7; }

.doc-items { width: 100%; border-collapse: collapse; margin-bottom: 14px; }
.doc-items thead th { padding: 8px 10px; text-align: left; font-size: 11px; color: #888780 !important; font-weight: 500; border-bottom: 1px solid #e0dfd8; background: #fafaf8; }
.doc-items thead th.r { text-align: right; }
.doc-items tbody td { padding: 9px 10px; font-size: 12px; border-bottom: 0.5px solid #f5f5f0; }
.doc-items tbody td.r { text-align: right; }
.doc-item-name { font-weight: 500; }
.doc-item-sub { font-size: 10px; color: #888780 !important; }
.vat-tag { font-size: 9px; padding: 1px 5px; background: #EAF3DE; color: #27500A !important; border-radius: 4px; margin-left: 4px; }

.doc-summary { display: flex; justify-content: flex-end; margin-bottom: 18px; }
.doc-sum-table { width: 240px; }
.doc-sum-row { display: flex; justify-content: space-between; font-size: 12px; color: #5F5E5A !important; padding: 3px 0; }
.doc-sum-row.total { font-size: 14px; font-weight: 600; color: #1a1a18 !important; border-top: 1.5px solid #1a1a18; margin-top: 6px; padding-top: 8px; }
.doc-sum-row.wht { color: #A32D2D !important; }
.doc-sum-row.net { font-size: 13px; font-weight: 600; color: #0F6E56 !important; }

.doc-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }

.doc-payment-box { background: #fafaf8; border: 0.5px solid #e0dfd8; border-radius: 10px; padding: 12px 14px; }
.doc-payment-title { font-size: 11px; font-weight: 500; margin-bottom: 8px; }
.doc-bank-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 0.5px solid #f1efe8; }
.doc-bank-row:last-child { border-bottom: none; }
.doc-bank-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.doc-bank-name { font-size: 11px; }
.doc-bank-acc { font-size: 10px; color: #888780 !important; }

.doc-note-box { background: #FAEEDA; border-radius: 10px; padding: 12px 14px; }
.doc-note-title { font-size: 11px; font-weight: 500; color: #854F0B !important; margin-bottom: 3px; }
.doc-note-text { font-size: 11px; color: #854F0B !important; }

.doc-footer { border-top: 0.5px solid #e0dfd8; padding-top: 14px; display: flex; justify-content: space-between; align-items: flex-end; }
.doc-sign-block { text-align: center; }
.doc-sign-line { width: 130px; border-bottom: 1px solid #1a1a18; margin: 28px auto 4px; }
.doc-sign-label { font-size: 11px; color: #888780 !important; }

.doc-stamp { display: inline-block; padding: 5px 14px; border: 2.5px solid; border-radius: 6px; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; transform: rotate(-8deg); }
.stamp-paid   { border-color: #0F6E56 !important; color: #0F6E56 !important; }
.stamp-unpaid { border-color: #A32D2D !important; color: #A32D2D !important; }

/* doc action buttons */
.doc-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 0;
}

/* ============= LOGIN PAGE ============= */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}

.login-lang {
  position: absolute;
  top: 16px; right: 20px;
  display: flex;
  gap: 6px;
}

.login-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  width: 100%;
  max-width: 340px;
  box-shadow: var(--shadow-md);
}

.login-logo {
  width: 46px; height: 46px;
  background: var(--brand);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin: 0 auto 14px;
}

.login-title { font-size: 16px; font-weight: 600; text-align: center; color: var(--text); margin-bottom: 2px; }
.login-sub   { font-size: 12px; text-align: center; color: var(--text3); margin-bottom: 22px; }
.login-footer-link { text-align: center; font-size: 12px; color: var(--text3); margin-top: 14px; }
.login-footer-link a { color: var(--brand); font-weight: 500; }
.login-demo { background: var(--surface2); border-radius: 8px; padding: 8px 12px; font-size: 11px; color: var(--text3); text-align: center; margin-top: 12px; }

/* ============= MODE TOGGLE (flat/meter) ============= */
.mode-toggle {
  display: flex;
  border: 0.5px solid var(--border2);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.mode-btn {
  padding: 3px 10px;
  font-size: 10.5px;
  cursor: pointer;
  background: transparent;
  color: var(--text3);
  border: none;
  transition: all 0.15s;
}

.mode-btn.flat.on   { background: var(--blue-bg);  color: var(--blue); font-weight: 500; }
.mode-btn.meter.on  { background: var(--amber-bg); color: var(--amber); font-weight: 500; }

/* VAT toggle per item */
.vat-chk {
  width: 14px; height: 14px;
  border-radius: 3px;
  border: 0.5px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 9px;
  background: var(--surface);
}

.vat-chk.on { background: var(--brand); border-color: var(--brand); color: var(--brand-text); }

/* ============= PANEL (right sidebar form) ============= */
.panel { width: 240px; flex-shrink: 0; }
.panel-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: sticky;
  top: 80px;
}

.panel-title { font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 0.5px solid var(--border3); }

/* ============= UTILITY HELPERS ============= */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-4 { gap: 4px; } .gap-6 { gap: 6px; } .gap-8 { gap: 8px; } .gap-10 { gap: 10px; }
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.text-sm { font-size: 11.5px; } .text-xs { font-size: 10.5px; }
.text-muted { color: var(--text3); }
.text-brand { color: var(--brand); }
.text-green { color: var(--green); } .text-red { color: var(--red); }
.text-amber { color: var(--amber); } .text-blue { color: var(--blue); }
.font-medium { font-weight: 500; } .font-semibold { font-weight: 600; }
.w-full { width: 100%; }

.divider { height: 0.5px; background: var(--border3); margin: 10px 0; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text3);
}

.empty-state .empty-icon { font-size: 40px; margin-bottom: 10px; }
.empty-state p { font-size: 13px; }

/* ============= SCROLLBAR ============= */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ============= RESPONSIVE ============= */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-220px);
    transition: transform 0.3s;
  }

  .sidebar.open { transform: translateX(0); }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
    display: none;
  }

  .sidebar-overlay.open { display: block; }

  .main-content { margin-left: 0; }

  .topbar { padding: 12px 16px; }

  .mobile-menu-btn {
    display: flex;
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
    border: 0.5px solid var(--border2);
    background: var(--surface2);
    align-items: center; justify-content: center;
    font-size: 18px;
    cursor: pointer;
    color: var(--text2);
  }

  .page-content { padding: 14px 16px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }

  .rooms-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }

  .form-row2, .form-row3 { grid-template-columns: 1fr; }

  .doc-bill-to, .doc-bottom { grid-template-columns: 1fr; }

  .panel { width: 100%; }

  .settings-nav { display: none; }
  .settings-content { padding: 14px 16px; }

  .tbl thead { display: none; }
  .tbl tbody tr { display: block; padding: 10px 12px; border-bottom: 0.5px solid var(--border); }
  .tbl tbody td { display: flex; justify-content: space-between; padding: 3px 0; border: none; font-size: 13.5px; }
  .tbl tbody td::before { content: attr(data-label); color: var(--text3); font-size: 12.5px; }
}

.mobile-menu-btn { display: none; }

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }
}

/* ============= PRINT ============= */
@media print {
  .sidebar, .topbar, .toolbar, .doc-actions,
  .action-bar, .pill-tabs, .btn, .modal-overlay { display: none !important; }

  .main-content { margin-left: 0; }
  .page-content { padding: 0; }

  .doc-paper {
    border: none;
    box-shadow: none;
    padding: 20px;
    max-width: 100%;
  }

  body { background: #fff; }
}
