/* ======================================================================
   Data Center Access & Equipment Tracking Management System
   Visual system: two switchable themes sharing one component layer
     - [data-theme="ops"]        Security Operations Center (default)
     - [data-theme="enterprise"] Clean corporate light theme
   All existing class/id hooks used by app.js are preserved untouched.
   ====================================================================== */

/* ---------- Static tokens (identical across themes) ---------- */
:root {
  --font-display: 'Prompt', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-main: 'Inter', 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Theme: Security Ops Center (dark / phosphor) ---------- */
:root[data-theme="ops"] {
  --bg-primary: #050806;
  --bg-secondary: #0a120e;
  --bg-card: rgba(11, 20, 16, 0.86);
  --bg-card-hover: rgba(15, 27, 21, 0.95);
  --bg-input: rgba(3, 8, 6, 0.85);
  --border-color: rgba(110, 231, 168, 0.16);
  --border-focus: #4ee08a;

  --color-cyan: #4ee08a;
  --color-blue: #57c7ff;
  --color-emerald: #4ee08a;
  --color-amber: #f5a623;
  --color-rose: #ff5470;

  --color-text-main: #eafff2;
  --color-text-muted: #6f9384;

  --shadow-glow: 0 0 22px rgba(78, 224, 138, 0.25);
  --glass-backdrop: blur(10px);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
  --scanline-opacity: 0.05;
}

/* ---------- Theme: Enterprise (light / clean corporate) ---------- */
:root[data-theme="enterprise"] {
  --bg-primary: #eef0f7;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #fbfbff;
  --bg-input: #f5f6fb;
  --border-color: #e2e5f1;
  --border-focus: #5b5bf0;

  --color-cyan: #5b5bf0;
  --color-blue: #7c5cf5;
  --color-emerald: #17a672;
  --color-amber: #d97a06;
  --color-rose: #e23a63;

  --color-text-main: #1c2030;
  --color-text-muted: #74799a;

  --shadow-glow: 0 6px 18px rgba(91, 91, 240, 0.18);
  --glass-backdrop: none;
  --card-shadow: 0 2px 10px rgba(30, 34, 60, 0.06);
  --scanline-opacity: 0;
}

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

body {
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(at 0% 0%, color-mix(in srgb, var(--color-cyan) 12%, transparent) 0px, transparent 50%),
    radial-gradient(at 100% 100%, color-mix(in srgb, var(--color-blue) 12%, transparent) 0px, transparent 50%);
  color: var(--color-text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

/* Signature element: faint CRT scanline field, active in ops theme only */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, var(--scanline-opacity)) 0px,
    rgba(255, 255, 255, var(--scanline-opacity)) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: no-preference) {
  :root[data-theme="ops"] .pulse-dot { animation: pulse 2s infinite; }
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--color-emerald);
  color: #04140b;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 9999;
  font-size: 0.88rem;
  transition: all 0.3s ease;
  animation: slideInRight 0.3s ease;
}
:root[data-theme="enterprise"] .toast { color: #ffffff; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.app-container { display: flex; flex-direction: column; min-height: 100vh; }

.login-container {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}

.login-card {
  width: 100%; max-width: 480px; border-radius: var(--radius-lg);
  padding: 36px 32px; display: flex; flex-direction: column; gap: 24px;
}

.login-logo {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-blue));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--bg-secondary); margin: 0 auto 12px; box-shadow: var(--shadow-glow);
}

.login-header h2 {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  color: var(--color-text-main);
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.demo-accounts-box {
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 16px;
}

.demo-title {
  font-size: 0.8rem; font-weight: 600; color: var(--color-cyan); margin-bottom: 10px;
}

.demo-btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.main-workspace-container { display: flex; flex-direction: column; min-height: 100vh; }

.top-header {
  height: 64px;
  background: var(--bg-secondary);
  backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 100;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-blue));
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  color: var(--bg-secondary); box-shadow: var(--shadow-glow);
}

.brand-text h1 {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--color-text-main);
}

.brand-text .sub-title {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.3px;
  color: var(--color-text-muted);
}

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

/* Theme toggle switch */
.theme-toggle {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: 30px; padding: 5px 12px 5px 5px; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--color-text-muted);
  transition: border-color 0.2s var(--ease);
}
.theme-toggle:hover { border-color: var(--color-cyan); }

.theme-toggle .switch-track {
  position: relative; width: 38px; height: 20px; border-radius: 20px;
  background: var(--bg-primary); border: 1px solid var(--border-color); flex-shrink: 0;
}

.theme-toggle .switch-thumb {
  position: absolute; top: 1px; left: 1px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--color-cyan); box-shadow: var(--shadow-glow);
  transition: transform 0.25s var(--ease);
}

:root[data-theme="enterprise"] .theme-toggle .switch-thumb { transform: translateX(18px); }

.theme-toggle .toggle-label { text-transform: uppercase; letter-spacing: 0.6px; }

.user-profile-header {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-input); padding: 6px 16px; border-radius: 30px;
  border: 1px solid var(--border-color);
}

.user-info { display: flex; flex-direction: column; text-align: right; }
.user-name { font-size: 0.88rem; font-weight: 600; color: var(--color-text-main); }
.user-dept { font-size: 0.75rem; color: var(--color-text-muted); }
.btn-logout { padding: 4px 12px; border-radius: 20px; }

.main-workspace { display: flex; flex: 1; }

.sidebar {
  width: 270px; background: var(--bg-secondary);
  border-right: 1px solid var(--border-color); padding: 20px 14px;
  display: flex; flex-direction: column; gap: 6px;
}

.nav-section-title {
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 600;
  color: var(--color-text-muted); letter-spacing: 1.2px; margin: 10px 0 6px 10px;
}

.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  border-radius: var(--radius-md); background: transparent; color: var(--color-text-muted);
  border: none; border-left: 3px solid transparent; font-family: var(--font-main);
  font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: all 0.2s var(--ease);
  width: 100%; text-align: left;
}

.nav-item:hover { background: var(--bg-card-hover); color: var(--color-text-main); }

.nav-item.active {
  background: color-mix(in srgb, var(--color-cyan) 12%, transparent);
  color: var(--color-cyan); border-left: 3px solid var(--color-cyan);
}

.counter-pill {
  margin-left: auto; background: var(--bg-input); color: var(--color-text-main);
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  padding: 2px 8px; border-radius: 12px;
}

.counter-pill.warning { background: var(--color-amber); color: #1a1200; }

.sidebar-footer { margin-top: auto; padding-top: 15px; border-top: 1px solid var(--border-color); }

.system-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--color-emerald);
}

.pulse-dot {
  width: 8px; height: 8px; background: var(--color-emerald); border-radius: 50%;
  box-shadow: 0 0 8px var(--color-emerald);
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.content-area { flex: 1; padding: 24px 32px; overflow-y: auto; }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header { margin-bottom: 24px; }

.page-header h2 {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 700;
  display: flex; align-items: center; gap: 10px; color: var(--color-text-main);
}

.page-header p { color: var(--color-text-muted); font-size: 0.88rem; margin-top: 4px; }

.glass-card {
  background: var(--bg-card); backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--card-shadow);
}

.card-title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
  color: var(--color-text-main);
}

.form-card { display: flex; flex-direction: column; gap: 24px; }

.form-section { border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
.form-section:last-child { border-bottom: none; padding-bottom: 0; }

.section-title {
  font-size: 0.95rem; font-weight: 600; color: var(--color-cyan);
  margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}

.section-header-inline {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}

.form-grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.col-span-2 { grid-column: span 2; }

@media (max-width: 900px) {
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .col-span-2 { grid-column: span 1; }
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--color-text-main); }
.required { color: var(--color-rose); }

input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
select, textarea, .form-control {
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 10px 14px; color: var(--color-text-main);
  font-family: var(--font-main); font-size: 0.88rem; outline: none;
  transition: border-color 0.2s var(--ease); width: 100%;
}

input:focus, select:focus, textarea:focus, .form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-cyan) 20%, transparent);
}

.alert-box {
  padding: 12px 16px; border-radius: var(--radius-md); display: flex;
  align-items: flex-start; gap: 12px; font-size: 0.85rem; margin-top: 12px;
}

.alert-warning {
  background: color-mix(in srgb, var(--color-amber) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-amber) 35%, transparent);
  color: var(--color-amber);
}

.table-responsive { width: 100%; overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; text-align: left; }

.data-table th {
  background: var(--bg-input); color: var(--color-text-muted);
  font-family: var(--font-mono); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.4px; text-transform: uppercase; padding: 12px 14px;
  border-bottom: 1px solid var(--border-color); white-space: nowrap;
}

.data-table td {
  padding: 12px 14px; border-bottom: 1px solid var(--border-color);
  color: var(--color-text-main); vertical-align: middle;
}

.data-table tbody tr:hover { background: var(--bg-card-hover); }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px;
  border-radius: 12px; font-family: var(--font-mono); font-size: 0.72rem;
  font-weight: 600; white-space: nowrap;
}

.badge-role { background: color-mix(in srgb, var(--color-cyan) 18%, transparent); color: var(--color-cyan); }
.badge-pending { background: color-mix(in srgb, var(--color-amber) 18%, transparent); color: var(--color-amber); }
.badge-approved { background: color-mix(in srgb, var(--color-emerald) 18%, transparent); color: var(--color-emerald); }
.badge-rejected { background: color-mix(in srgb, var(--color-rose) 18%, transparent); color: var(--color-rose); }
.badge-inside { background: color-mix(in srgb, var(--color-blue) 18%, transparent); color: var(--color-blue); }
.badge-closed { background: var(--bg-input); color: var(--color-text-muted); }
.badge-flagged { background: color-mix(in srgb, var(--color-rose) 30%, transparent); color: var(--color-rose); font-weight: 700; }
.badge-info { background: color-mix(in srgb, var(--color-cyan) 14%, transparent); color: var(--color-cyan); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--radius-md); font-family: var(--font-main);
  font-size: 0.85rem; font-weight: 600; cursor: pointer; border: none;
  transition: all 0.2s var(--ease);
}

.btn-primary { background: var(--color-cyan); color: var(--bg-secondary); }
.btn-primary:hover { filter: brightness(1.1); box-shadow: var(--shadow-glow); }

.btn-secondary { background: var(--bg-input); color: var(--color-text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-card-hover); }

.btn-success { background: var(--color-emerald); color: var(--bg-secondary); }
.btn-success:hover { filter: brightness(1.1); }

.btn-danger { background: var(--color-rose); color: #ffffff; }
.btn-danger:hover { filter: brightness(1.1); }

.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--color-text-main); }
.btn-outline:hover { border-color: var(--color-cyan); color: var(--color-cyan); }

.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-block { width: 100%; }

.form-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 10px; }

.grid-2-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .grid-2-cols { grid-template-columns: 1fr; } }

.scanner-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--bg-input); border: 2px dashed var(--color-cyan);
  border-radius: var(--radius-lg); padding: 24px 20px; margin-top: 14px;
}

.scanner-btn-group { display: flex; gap: 14px; margin-top: 16px; width: 100%; }
.scanner-btn-group .btn { flex: 1; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.stat-card {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 20px;
  border-left: 4px solid var(--color-cyan); box-shadow: var(--card-shadow);
}

.border-blue { border-left-color: var(--color-blue); }
.border-green { border-left-color: var(--color-emerald); }
.border-red { border-left-color: var(--color-rose); }

.stat-value { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--color-text-main); }
.stat-label { font-size: 0.8rem; color: var(--color-text-muted); }

.erd-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 10px; margin-bottom: 16px; }

.erd-tab-btn {
  background: var(--bg-input); border: 1px solid var(--border-color); color: var(--color-text-muted);
  font-family: var(--font-mono); padding: 8px 16px; border-radius: 20px;
  font-size: 0.76rem; font-weight: 600; cursor: pointer;
}

.erd-tab-btn.active { background: var(--color-cyan); color: var(--bg-secondary); border-color: var(--color-cyan); }

.erd-table-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color); padding-bottom: 10px;
}

.erd-data-table td { font-family: var(--font-mono); font-size: 0.8rem; }

.modal-backdrop {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}

.modal-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); width: 90%; max-width: 440px;
  overflow: hidden; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

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

.modal-header h3 {
  font-family: var(--font-display); font-size: 1rem; color: var(--color-text-main);
  display: flex; align-items: center; gap: 8px;
}

.modal-close { background: transparent; border: none; color: var(--color-text-muted); font-size: 1.5rem; cursor: pointer; }
.modal-body { padding: 24px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; }

.qr-display {
  width: 200px; height: 100px; margin: 0 auto; background: var(--color-text-main);
  color: var(--bg-primary) !important; padding: 12px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono);
}

.hidden { display: none !important; }
.text-cyan { color: var(--color-cyan) !important; }
.text-warning { color: var(--color-amber) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-sm { font-size: 0.8rem; color: var(--color-text-muted); }
.text-xs { font-size: 0.72rem; }
.text-center { text-align: center; }

button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, a:focus-visible {
  outline: 2px solid var(--color-cyan); outline-offset: 2px;
}

@media (max-width: 900px) {
  .main-workspace { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 10px; border-right: none; }
  .nav-section-title, .sidebar-footer, .brand-text .sub-title, .user-info { display: none; }
  .nav-item { width: auto; white-space: nowrap; flex-shrink: 0; }
  .content-area { padding: 15px; }
  
  /* --- ส่วนที่แก้ปัญหา Header บนมือถือ --- */
  .top-header { padding: 0 10px; gap: 5px; }
  .brand-icon { width: 32px; height: 32px; } /* ย่อโลโก้ลงนิดนึง */
  .brand-text h1 { font-size: 0.9rem; } /* ย่อชื่อแอป */
  
  .header-actions { gap: 8px; }
  .user-profile-header { padding: 4px 8px; gap: 6px; }
  
  /* บังคับปุ่มออกจากระบบห้ามปัดบรรทัดข้อความ และปรับขนาดให้กะทัดรัดขึ้น */
  .btn-logout { 
    white-space: nowrap; 
    padding: 4px 10px; 
    font-size: 0.75rem; 
  }
  #headerRoleBadge { font-size: 0.65rem; padding: 2px 6px; }
}