@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');

:root {
  --font-body: 'Manrope', sans-serif;
  --font-heading: 'Manrope', sans-serif;
  --font-display: 'Fraunces', serif;

  --bg-primary: #f3f6fb;
  --bg-secondary: #ecf1f8;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border: #d9e3ef;
  --border-strong: #c7d3e1;
  --border-focus: rgba(15, 39, 71, 0.22);

  --accent: #0f2747;
  --accent-hover: #16355f;
  --accent-soft: #e7eef8;
  --accent-secondary: #2f6fed;

  --success: #0f8b71;
  --warning: #b57a1f;
  --danger: #b44545;

  --text-primary: #102033;
  --text-secondary: #526173;
  --text-muted: #7b8897;

  --sidebar-width: 260px;
  --header-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;

  --shadow: 0 14px 36px rgba(16, 32, 51, 0.08);
  --shadow-soft: 0 3px 14px rgba(16, 32, 51, 0.06);
  --shadow-medium: 0 14px 32px rgba(16, 32, 51, 0.14);
  --table-row-hover: #f5f8fc;
  --table-row-border: #e4ebf4;

  --color-primary: var(--accent);
  --color-border: var(--border);
  --border-color: var(--border);
}

:root[data-theme='light'] {
  --bg-primary: #f3f6fb;
  --bg-secondary: #ecf1f8;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border: #d9e3ef;
  --border-strong: #c7d3e1;
  --border-focus: rgba(15, 39, 71, 0.22);
  --accent: #0f2747;
  --accent-hover: #16355f;
  --accent-soft: #e7eef8;
  --accent-secondary: #2f6fed;
  --success: #0f8b71;
  --warning: #b57a1f;
  --danger: #b44545;
  --text-primary: #102033;
  --text-secondary: #526173;
  --text-muted: #7b8897;
  --shadow: 0 14px 36px rgba(16, 32, 51, 0.08);
  --table-row-hover: #f5f8fc;
  --table-row-border: #e4ebf4;
}

/* Light-theme sidebar overrides: keep sidebar consistent with card surfaces */
:root[data-theme='light'] .sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  box-shadow: none;
}

:root[data-theme='light'] .sidebar-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

:root[data-theme='light'] .sidebar-logo .logo-icon {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--border-strong);
  box-shadow: none;
}

:root[data-theme='light'] .sidebar-logo h2 {
  color: var(--text-primary);
}

:root[data-theme='light'] .sidebar-logo span {
  color: var(--text-secondary);
  font-weight: 600;
}

:root[data-theme='light'] .nav-section-title {
  color: var(--text-muted);
}

:root[data-theme='light'] .user-details span {
  color: var(--text-secondary);
}

:root[data-theme='light'] .nav-item {
  color: var(--text-secondary);
}

:root[data-theme='light'] .nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  box-shadow: none;
}

:root[data-theme='light'] .nav-item.active {
  background: linear-gradient(90deg, rgba(47, 111, 237, 0.06) 0%, rgba(47, 111, 237, 0.03) 100%);
  color: var(--text-primary);
  border-color: rgba(47, 111, 237, 0.06);
  box-shadow: none;
}

:root[data-theme='light'] .user-info {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
}

:root[data-theme='light'] .sidebar-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

:root[data-theme='light'] .logout-btn {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

:root[data-theme='light'] .topbar {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(244, 248, 252, 0.96) 100%);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 12px rgba(16, 32, 51, 0.06);
}

:root[data-theme='dark'] {
  --bg-primary: #07111e;
  --bg-secondary: #0b1627;
  --bg-card: rgba(11, 20, 34, 0.88);
  --bg-card-hover: rgba(14, 24, 41, 0.96);
  --border: rgba(151, 176, 210, 0.18);
  --border-strong: rgba(165, 188, 219, 0.28);
  --border-focus: rgba(139, 180, 255, 0.28);
  --accent: #8bb4ff;
  --accent-hover: #a9c8ff;
  --accent-soft: rgba(139, 180, 255, 0.12);
  --accent-secondary: #5dd4c7;
  --success: #46c9a8;
  --warning: #f0c36a;
  --danger: #f28c8c;
  --text-primary: #eef4ff;
  --text-secondary: #c0ccda;
  --text-muted: #8f9eb1;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 6px 20px rgba(0, 0, 0, 0.2);
  --shadow-medium: 0 18px 38px rgba(0, 0, 0, 0.32);
  --table-row-hover: rgba(255, 255, 255, 0.04);
  --table-row-border: rgba(151, 176, 210, 0.14);
}

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

body {
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 10% 10%, rgba(47, 111, 237, 0.09), transparent 30%),
    radial-gradient(circle at 90% 90%, rgba(15, 139, 113, 0.1), transparent 28%),
    linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-secondary) 48%, var(--bg-primary) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

:root[data-theme='dark'] body {
  background:
    radial-gradient(circle at 12% 10%, rgba(47, 111, 237, 0.18), transparent 28%),
    radial-gradient(circle at 84% 82%, rgba(93, 212, 199, 0.12), transparent 26%),
    linear-gradient(145deg, #07111e 0%, #0b1627 52%, #050b14 100%);
}

/* Icon helpers: keep iconography compact and consistent */
.emoji,
.emoji-sm,
.nav-icon,
.stat-icon,
.search-icon,
.upload-icon,
.empty-icon,
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  line-height: 1;
}

.emoji svg,
.emoji-sm svg,
.nav-icon svg,
.stat-icon svg,
.search-icon svg,
.upload-icon svg,
.empty-icon svg,
.logo-icon svg,
.toggle-password svg {
  width: 1em;
  height: 1em;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.emoji {
  width: 1.25em;
  height: 1.25em;
  display: inline-block;
  font-size: 1rem;
  margin-right: 8px;
  transform: translateY(-1px);
  color: var(--accent-secondary);
}

.emoji-sm {
  width: 1.05em;
  height: 1.05em;
  font-size: 0.95em;
  margin-right: 6px;
  color: var(--accent-secondary);
}

h1,
h2,
h3,
.page-header h2,
.topbar-title h2,
.sidebar-logo h2 {
  font-family: var(--font-heading);
  letter-spacing: 0.2px;
}

.login-brand h1 {
  font-family: var(--font-display);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #e8f0e4;
}

::-webkit-scrollbar-thumb {
  background: #c5d1c0;
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: #adbaa1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Login */
.login-page {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.login-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 15%, rgba(122, 150, 104, 0.22), transparent 38%),
    radial-gradient(circle at 85% 80%, rgba(154, 176, 140, 0.25), transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(90, 122, 82, 0.07), transparent 80%),
    linear-gradient(135deg, #f6faf3 0%, #eff6eb 50%, #eaf3ee 100%);
  z-index: -1;
  animation: soft-flow 20s ease-in-out infinite;
}

@keyframes soft-flow {
  0%, 100% { opacity: 1; }
  50% { opacity: 1.05; }
}

.login-page::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.35;
  z-index: -1;
}

.login-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.6s ease;
}

.language-selector {
  position: absolute;
  top: 24px;
  right: 28px;
  z-index: 10;
}

.lang-select {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.lang-select:hover,
.lang-select:focus {
  border-color: var(--border-strong);
  color: var(--text-primary);
  outline: none;
}

.login-container {
  width: 100%;
  max-width: 430px;
}

.login-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.97) 0%, rgba(248, 251, 249, 0.95) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  box-shadow: 0 16px 36px rgba(68, 88, 62, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(10px);
  animation: fade-in 0.6s ease;
}

:root[data-theme='dark'] .login-card {
  background: linear-gradient(135deg, rgba(10, 19, 32, 0.95) 0%, rgba(14, 26, 44, 0.9) 100%);
  border-color: rgba(151, 176, 210, 0.14);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.user-avatar-large {
  width: 62px;
  height: 62px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, #e3eae0 100%);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 26px;
  box-shadow: 0 4px 12px rgba(90, 122, 82, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.4);
  animation: soft-glow 3s ease-in-out infinite;
}

@keyframes soft-glow {
  0%, 100% { box-shadow: 0 4px 12px rgba(90, 122, 82, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.4); }
  50% { box-shadow: 0 6px 16px rgba(90, 122, 82, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.4); }
}

#login-alert {
  margin-bottom: 16px;
}

#login-form {
  margin-top: 18px;
}

.login-role-toggle {
  display: flex;
  gap: 8px;
  background: linear-gradient(135deg, rgba(15, 39, 71, 0.08) 0%, rgba(47, 111, 237, 0.06) 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 14px;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.45);
}

:root[data-theme='dark'] .login-role-toggle {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.08) 0%, rgba(93, 212, 199, 0.06) 100%);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.03);
}

.login-role-toggle button {
  flex: 1;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.login-role-toggle button.active {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.98) 100%);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(16, 32, 51, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

:root[data-theme='dark'] .login-role-toggle button {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .login-role-toggle button.active {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.16) 0%, rgba(47, 111, 237, 0.1) 100%);
  color: #ffffff;
  border-color: rgba(139, 180, 255, 0.22);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}

.form-control {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--border-focus), 0 0 12px rgba(90, 122, 82, 0.2);
  transition: all 0.2s ease;
}

:root[data-theme='dark'] .form-control {
  background: rgba(9, 17, 29, 0.88);
  border-color: rgba(151, 176, 210, 0.18);
  color: var(--text-primary);
}

:root[data-theme='dark'] .form-control::placeholder {
  color: rgba(192, 204, 218, 0.7);
}

:root[data-theme='dark'] .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 180, 255, 0.14), 0 0 16px rgba(47, 111, 237, 0.12);
}

.password-group {
  margin-bottom: 10px;
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .form-control {
  padding-right: 42px;
}

.toggle-password {
  position: absolute;
  right: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 6px;
}

.toggle-password:hover {
  color: var(--text-primary);
}

.forgot-password {
  display: block;
  text-align: right;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.forgot-password:hover {
  color: var(--accent);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 20px 0;
}

.form-checkbox {
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-label {
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #173b6b 56%, #244c84 100%);
  color: #ffffff;
  border-color: var(--accent);
  width: 100%;
  box-shadow: 0 10px 22px rgba(15, 39, 71, 0.22);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #15355f 0%, #244c84 100%);
  border-color: #15355f;
  text-decoration: none;
  box-shadow: 0 14px 28px rgba(15, 39, 71, 0.28);
  transform: translateY(-2px);
}

:root[data-theme='dark'] .btn-primary {
  box-shadow: 0 12px 26px rgba(47, 111, 237, 0.24);
}

:root[data-theme='dark'] .btn-primary:hover {
  box-shadow: 0 14px 30px rgba(47, 111, 237, 0.3);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-secondary {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(255, 255, 255, 0.9) 100%);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(16, 32, 51, 0.06);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #e9eff7 0%, #f5f8fc 100%);
  border-color: var(--border-strong);
  box-shadow: 0 4px 12px rgba(16, 32, 51, 0.1);
  transform: translateY(-2px);
}

:root[data-theme='dark'] .btn-secondary {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.09) 0%, rgba(93, 212, 199, 0.05) 100%);
  border-color: rgba(151, 176, 210, 0.16);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

:root[data-theme='dark'] .btn-secondary:hover {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.16) 0%, rgba(47, 111, 237, 0.12) 100%);
  border-color: rgba(139, 180, 255, 0.22);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.btn-success {
  background: linear-gradient(135deg, #eef8f5 0%, #dff3ed 100%);
  border-color: #b7ddd1;
  color: #10614f;
  box-shadow: 0 2px 8px rgba(15, 139, 113, 0.12);
  transition: all 0.3s ease;
}

.btn-success:hover {
  background: linear-gradient(135deg, #dfeae5 0%, #d0e0d8 100%);
  box-shadow: 0 6px 16px rgba(42, 102, 64, 0.2);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #fceeee 0%, #f8e3e3 100%);
  border-color: #edc0c0;
  color: #8f3434;
  box-shadow: 0 2px 8px rgba(180, 69, 69, 0.12);
  transition: all 0.3s ease;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #f3e5e5 0%, #f0dcdc 100%);
  box-shadow: 0 6px 16px rgba(138, 53, 53, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 13px;
  font-size: 12px;
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

select.form-control {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

select.form-control option,
select.form-control optgroup {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

input[type="file"].form-control {
  color: var(--text-secondary);
  background-color: var(--bg-card);
}

input[type="file"].form-control::file-selector-button {
  margin-right: 10px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  cursor: pointer;
}

input[type="file"].form-control::file-selector-button:hover {
  background: #e8eff8;
}

.alert {
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.alert.show {
  display: block;
}

.alert-error {
  background: #fceeee;
  border: 1px solid #edc0c0;
  color: #8f3434;
}

.alert-success {
  background: #e9f8f3;
  border: 1px solid #b7ddd1;
  color: #10614f;
}

.alert-warning {
  background: #fbf3e2;
  border: 1px solid #e7d3a8;
  color: #8b621f;
}

.alert-info {
  background: #edf4fb;
  border: 1px solid #d4e0ee;
  color: #274663;
}

.login-footer {
  text-align: center;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.login-footer p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

.account-link {
  color: var(--text-secondary);
}

.account-link:hover {
  color: var(--accent);
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.social-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(255, 255, 255, 0.92) 100%);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.social-icon:hover {
  background: linear-gradient(135deg, #edf3fb 0%, #e2ebf7 100%);
  color: var(--accent);
  border-color: var(--border-strong);
  box-shadow: 0 4px 14px rgba(16, 32, 51, 0.14);
  transform: translateY(-2px) scale(1.1);
}

:root[data-theme='dark'] .social-icon {
  background: linear-gradient(135deg, rgba(9, 17, 29, 0.92) 0%, rgba(14, 24, 41, 0.94) 100%);
  border-color: rgba(151, 176, 210, 0.16);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .social-icon:hover {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.16) 0%, rgba(47, 111, 237, 0.12) 100%);
  border-color: rgba(139, 180, 255, 0.24);
  color: #ffffff;
}

.login-page-footer {
  position: fixed;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 28px;
  font-size: 12px;
  color: var(--text-secondary);
  z-index: 5;
  pointer-events: none;
}

.login-page-footer p {
  margin: 0;
}

.login-page-footer a {
  color: var(--text-secondary);
  pointer-events: auto;
}

.login-page-footer a:hover {
  color: var(--accent);
}

.footer-link {
  pointer-events: auto;
}

.login-page .theme-toggle-floating {
  display: none !important;
}

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

.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, rgba(10, 23, 41, 0.98) 0%, rgba(12, 25, 44, 0.98) 100%);
  border-right: 1px solid var(--border);
  box-shadow: inset -1px 0 2px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-header {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

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

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.18) 0%, rgba(93, 212, 199, 0.16) 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
}

.sidebar-logo .logo-icon:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.24);
  transform: scale(1.08);
}

.sidebar-logo h2 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.sidebar-logo span {
  font-size: 11px;
  color: rgba(224, 234, 246, 0.75);
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 14px 10px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.9px;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 8px 8px 5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border-radius: var(--radius-sm);
  color: rgba(224, 234, 246, 0.72);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 3px;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: linear-gradient(90deg, rgba(139, 180, 255, 0.1) 0%, rgba(93, 212, 199, 0.08) 100%);
  color: #ffffff;
  box-shadow: inset 2px 0 8px rgba(139, 180, 255, 0.14);
  transition: all 0.2s ease;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(139, 180, 255, 0.18) 0%, rgba(47, 111, 237, 0.12) 100%);
  color: #ffffff;
  border-color: rgba(139, 180, 255, 0.16);
  box-shadow: inset 2px 0 12px rgba(139, 180, 255, 0.16);
  font-weight: 700;
}

.nav-item .nav-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.user-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.2) 0%, rgba(93, 212, 199, 0.16) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
  transition: all 0.2s ease;
}

.user-details p {
  font-size: 13px;
  font-weight: 600;
}

.user-details span {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: capitalize;
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: rgba(224, 234, 246, 0.76);
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
}

.logout-btn:hover {
  background: rgba(180, 69, 69, 0.15);
  border-color: rgba(180, 69, 69, 0.28);
  color: #ffd8d8;
}

/* Ensure action button icons are compact and aligned */
.logout-btn svg,
.mobile-menu-btn svg {
  width: 1.05em;
  height: 1.05em;
  display: block;
  stroke: currentColor;
  fill: none;
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: var(--header-height);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.82) 0%, rgba(244, 248, 252, 0.84) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(16, 32, 51, 0.06);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

:root[data-theme='dark'] .topbar {
  background: linear-gradient(90deg, rgba(9, 17, 29, 0.92) 0%, rgba(12, 24, 41, 0.88) 100%);
  border-bottom-color: rgba(151, 176, 210, 0.12);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.25);
}

.topbar-title h2 {
  font-size: 18px;
  font-weight: 700;
}

.topbar-title p {
  font-size: 12px;
  color: var(--text-secondary);
}

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

.theme-toggle {
  min-width: 110px;
}

.topbar-actions .btn,
.topbar-actions .theme-toggle {
  height: 42px;
}

:root[data-theme='light'] .topbar-actions .theme-toggle {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(16, 32, 51, 0.05);
}

:root[data-theme='light'] .topbar-actions .theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(16, 32, 51, 0.08);
}

:root[data-theme='light'] .topbar-actions .btn-primary {
  background: linear-gradient(135deg, rgba(15, 39, 71, 0.08) 0%, rgba(47, 111, 237, 0.12) 100%);
  border-color: rgba(47, 111, 237, 0.18);
  color: var(--accent);
  box-shadow: 0 2px 8px rgba(16, 32, 51, 0.05);
}

:root[data-theme='light'] .topbar-actions .btn-primary:hover {
  background: linear-gradient(135deg, rgba(15, 39, 71, 0.12) 0%, rgba(47, 111, 237, 0.16) 100%);
  border-color: rgba(47, 111, 237, 0.24);
  color: var(--accent);
  box-shadow: 0 4px 12px rgba(16, 32, 51, 0.08);
}

.theme-toggle-floating {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 250;
}

.page-content {
  padding: 24px;
  flex: 1;
  overflow: visible;
  animation: slide-down 0.5s ease-out;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.98) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

:root[data-theme='dark'] .stat-card {
  background: linear-gradient(135deg, rgba(10, 19, 32, 0.92) 0%, rgba(14, 25, 42, 0.96) 100%);
  border-color: rgba(151, 176, 210, 0.14);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
}

.stat-card:hover {
  border-color: var(--border-strong);
  background: linear-gradient(135deg, var(--bg-card-hover) 0%, #f5f8fc 100%);
  box-shadow: var(--shadow-medium);
  transform: translateY(-6px);
}

:root[data-theme='dark'] .stat-card:hover {
  background: linear-gradient(135deg, rgba(14, 24, 41, 0.98) 0%, rgba(20, 35, 58, 0.98) 100%);
  border-color: rgba(139, 180, 255, 0.2);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.32);
}

.stat-card .stat-icon {
  font-size: 30px;
  margin-bottom: 10px;
}

.stat-card .stat-value {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.stat-card .stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.96) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

:root[data-theme='dark'] .card {
  background: linear-gradient(135deg, rgba(10, 19, 32, 0.94) 0%, rgba(14, 25, 42, 0.98) 100%);
  border-color: rgba(151, 176, 210, 0.14);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

:root[data-theme='dark'] .card:hover {
  border-color: rgba(139, 180, 255, 0.2);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.34);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--table-row-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: linear-gradient(90deg, rgba(247, 250, 255, 0.98) 0%, rgba(240, 245, 252, 0.98) 100%);
  transition: all 0.2s ease;
}

:root[data-theme='dark'] .card-header {
  background: linear-gradient(90deg, rgba(12, 22, 36, 0.96) 0%, rgba(15, 28, 46, 0.98) 100%);
  border-bottom-color: rgba(151, 176, 210, 0.12);
}

.card-header h3 {
  font-size: 15px;
  font-weight: 700;
}

.card-body {
  padding: 20px;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 11px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--table-row-border);
  text-align: left;
  white-space: nowrap;
  background: linear-gradient(90deg, rgba(247, 250, 255, 0.98) 0%, rgba(240, 245, 252, 0.98) 100%);
  transition: all 0.2s ease;
}

:root[data-theme='dark'] thead th {
  background: linear-gradient(90deg, rgba(12, 22, 36, 0.96) 0%, rgba(15, 28, 46, 0.98) 100%);
  color: rgba(192, 204, 218, 0.78);
  border-bottom-color: rgba(151, 176, 210, 0.12);
}

tbody tr {
  transition: background-color 0.15s;
}

tbody tr:hover {
  background: linear-gradient(90deg, #f5f8fc 0%, #eef4fb 100%);
  box-shadow: inset 0 0 8px rgba(16, 32, 51, 0.06);
  transition: all 0.15s ease;
}

:root[data-theme='dark'] tbody tr:hover {
  background: linear-gradient(90deg, rgba(139, 180, 255, 0.06) 0%, rgba(93, 212, 199, 0.04) 100%);
  box-shadow: inset 0 0 10px rgba(139, 180, 255, 0.06);
}

tbody td {
  padding: 13px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--table-row-border);
  vertical-align: middle;
}

tbody td:first-child {
  color: var(--text-primary);
  font-weight: 500;
}

:root[data-theme='dark'] tbody td {
  color: var(--text-secondary);
  border-bottom-color: rgba(151, 176, 210, 0.1);
}

:root[data-theme='dark'] tbody td:first-child {
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  position: relative;
}

.badge-pending {
  background: linear-gradient(135deg, #fbf3e2 0%, #f5e6bf 100%);
  color: #8b621f;
  border-color: #e7d3a8;
  box-shadow: 0 2px 8px rgba(181, 122, 31, 0.15);
}

.badge-pending:hover {
  box-shadow: 0 4px 12px rgba(139, 112, 51, 0.2);
}

.badge-approved,
.badge-active {
  background: linear-gradient(135deg, #e7f8f3 0%, #d8f1ea 100%);
  color: #10614f;
  border-color: #b7ddd1;
  box-shadow: 0 2px 8px rgba(15, 139, 113, 0.15);
}

.badge-approved:hover,
.badge-active:hover {
  box-shadow: 0 4px 12px rgba(42, 102, 64, 0.2);
}

.badge-rejected,
.badge-inactive {
  background: linear-gradient(135deg, #fceeee 0%, #f6dede 100%);
  color: #8f3434;
  border-color: #edc0c0;
  box-shadow: 0 2px 8px rgba(180, 69, 69, 0.15);
}

.badge-rejected:hover,
.badge-inactive:hover {
  box-shadow: 0 4px 12px rgba(138, 53, 53, 0.2);
}

.badge-admin {
  background: linear-gradient(135deg, #edf4fb 0%, #dce8f7 100%);
  color: #274663;
  border-color: #d4e0ee;
  box-shadow: 0 2px 8px rgba(39, 70, 99, 0.15);
}

.badge-admin:hover {
  box-shadow: 0 4px 12px rgba(45, 84, 50, 0.2);
}

.badge-employee {
  background: linear-gradient(135deg, #f1f6fc 0%, #e5edf8 100%);
  color: #274663;
  border-color: #d7e3f1;
  box-shadow: 0 2px 8px rgba(39, 70, 99, 0.15);
}

.badge-employee:hover {
  box-shadow: 0 4px 12px rgba(61, 85, 56, 0.2);
}

.filters-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(247, 250, 255, 0.96) 0%, rgba(240, 245, 252, 0.98) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 18px;
  position: relative;
  z-index: 10;
  overflow: visible;
  box-shadow: 0 2px 6px rgba(16, 32, 51, 0.06);
  transition: all 0.2s ease;
}

:root[data-theme='dark'] .filters-bar {
  background: linear-gradient(90deg, rgba(10, 19, 32, 0.92) 0%, rgba(14, 24, 41, 0.96) 100%);
  border-color: rgba(151, 176, 210, 0.14);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.filters-bar select,
.filters-bar input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  min-width: 140px;
}

#area-search-input {
  min-width: auto;
  max-width: 150px;
  padding: 8px 12px;
}

.filters-bar select:focus,
.filters-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--border-focus);
}

.filters-bar select option {
  background: #ffffff;
}

:root[data-theme='dark'] .filters-bar select option {
  background: #0b1627;
  color: var(--text-primary);
}

.filter-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.area-filter-container {
  position: relative;
  width: 100%;
}

.area-dropdown {
  scrollbar-width: thin;
  scrollbar-color: #c2cdbf #f0f5f0;
}

.area-dropdown::-webkit-scrollbar {
  width: 6px;
}

.area-dropdown::-webkit-scrollbar-track {
  background: #f0f5f0;
  border-radius: 3px;
}

.area-dropdown::-webkit-scrollbar-thumb {
  background: #c2cdbf;
  border-radius: 3px;
}

.area-dropdown::-webkit-scrollbar-thumb:hover {
  background: #aabba6;
}

.area-option:hover {
  background: #f0f6f0;
}

.area-option {
  color: var(--text-primary);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(33, 62, 40, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(4px);
}

:root[data-theme='dark'] .modal-overlay {
  background: rgba(3, 8, 15, 0.62);
  backdrop-filter: blur(8px);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.98) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 48px rgba(16, 32, 51, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transform: translateY(8px) scale(0.95);
  transition: transform 0.3s ease;
  backdrop-filter: blur(10px);
}

:root[data-theme='dark'] .modal {
  background: linear-gradient(135deg, rgba(9, 17, 29, 0.98) 0%, rgba(14, 25, 42, 0.98) 100%);
  border-color: rgba(151, 176, 210, 0.14);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.42);
}

.modal-overlay.show .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.modal-close:hover {
  color: var(--danger);
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

.model-viewer-btn {
  min-width: 132px;
}

.model-viewer-btn svg {
  width: 1.05em;
  height: 1.05em;
}

.model-viewer-overlay {
  z-index: 260;
  background: transparent;
  backdrop-filter: none;
}

.model-viewer-overlay.show {
  background: transparent;
}

.model-viewer-dock {
  position: fixed;
  left: 50%;
  bottom: 20px;
  width: min(360px, calc(100vw - 24px));
  border: 1px solid rgba(151, 176, 210, 0.18);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  background: linear-gradient(180deg, rgba(10, 18, 32, 0.92) 0%, rgba(14, 24, 42, 0.96) 100%);
  transform: translate(-50%, 24px) scale(0.96);
  opacity: 0;
  transition: transform 0.28s ease, opacity 0.28s ease;
  backdrop-filter: blur(16px);
}

.model-viewer-overlay.show .model-viewer-dock {
  transform: translate(-50%, 0) scale(1);
  opacity: 1;
}

.model-viewer-dock-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid rgba(151, 176, 210, 0.14);
}

.model-viewer-dock-header h3 {
  font-size: 18px;
  line-height: 1.1;
  font-weight: 800;
}

.model-viewer-dock-header .modal-close {
  padding: 0;
  margin-top: -2px;
}

.model-viewer-dock .model-viewer-stage {
  min-height: 320px;
  height: 320px;
  margin-bottom: 0;
  border-right: none;
  border-bottom: 1px solid rgba(151, 176, 210, 0.14);
  background:
    radial-gradient(circle at 30% 18%, rgba(157, 184, 255, 0.24), transparent 32%),
    radial-gradient(circle at 70% 78%, rgba(93, 212, 199, 0.16), transparent 28%),
    linear-gradient(145deg, rgba(8, 15, 27, 0.98) 0%, rgba(15, 25, 42, 0.98) 55%, rgba(9, 14, 25, 1) 100%);
}

.model-viewer-canvas {
  position: absolute;
  inset: 0;
}

.model-viewer-canvas canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.model-viewer-hud {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
  color: rgba(238, 244, 255, 0.88);
  font-size: 12px;
}

.model-viewer-hud span,
.model-viewer-panel {
  backdrop-filter: blur(14px);
}

.model-viewer-hud span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(8, 15, 27, 0.44);
  border: 1px solid rgba(151, 176, 210, 0.2);
}

.model-viewer-dock-footer {
  display: flex;
  gap: 10px;
  padding: 12px 16px 16px;
}

.model-viewer-kicker {
  color: var(--accent-secondary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 2px;
}

.model-viewer-error {
  width: 100%;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  color: var(--text-secondary);
}

.model-viewer-dock .btn {
  width: 100%;
}

.search-box {
  position: relative;
}

.search-box input {
  padding-left: 38px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

:root[data-theme='dark'] .search-icon {
  color: rgba(192, 204, 218, 0.72);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.page-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.upload-area {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(247, 250, 255, 0.98) 0%, rgba(240, 245, 252, 0.98) 100%);
  box-shadow: 0 2px 6px rgba(16, 32, 51, 0.04);
}

:root[data-theme='dark'] .upload-area {
  background: linear-gradient(135deg, rgba(9, 17, 29, 0.92) 0%, rgba(14, 24, 41, 0.96) 100%);
  border-color: rgba(151, 176, 210, 0.16);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--accent);
  background: linear-gradient(135deg, #eef4fb 0%, #e6eff9 100%);
  box-shadow: 0 8px 16px rgba(16, 32, 51, 0.12);
  transform: scale(1.01);
}

:root[data-theme='dark'] .upload-area:hover,
:root[data-theme='dark'] .upload-area.dragover {
  background: linear-gradient(135deg, rgba(139, 180, 255, 0.1) 0%, rgba(47, 111, 237, 0.08) 100%);
  border-color: rgba(139, 180, 255, 0.22);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.26);
}

.upload-area .upload-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.upload-area p {
  color: var(--text-secondary);
  font-size: 14px;
}

.upload-area span {
  color: var(--text-muted);
  font-size: 12px;
}

.chart-container {
  position: relative;
  height: 220px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 14px;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

:root[data-theme='dark'] .spinner {
  border-color: rgba(139, 180, 255, 0.16);
  border-top-color: #8bb4ff;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes button-pulse {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(16, 32, 51, 0.18);
  }
  50% {
    box-shadow: 0 6px 20px rgba(16, 32, 51, 0.24);
  }
}

@keyframes slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: fade-in 0.4s ease;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transition: left 0.5s ease;
  pointer-events: none;
}

.btn:hover::before {
  left: 100%;
}

@media (max-width: 1024px) {
  .add-customer-grid {
    grid-template-columns: 1fr !important;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

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

  .sidebar {
    --sidebar-width: 240px;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 280px;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    z-index: 150;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.15);
  }

  .sidebar-nav {
    padding: 12px 8px;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(33, 62, 40, 0.32);
    z-index: 140;
  }

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

  .main-content {
    margin-left: 0;
    flex: 1;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.5) 100%);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
  }

  .mobile-menu-btn:hover {
    background: linear-gradient(135deg, #edf3fb 0%, rgba(255, 255, 255, 0.8) 100%);
    box-shadow: 0 4px 12px rgba(16, 32, 51, 0.14);
    transform: translateY(-2px);
  }

  .topbar {
    padding: 0 14px;
    justify-content: space-between;
  }

  .topbar-title h2 {
    font-size: 16px;
  }

  .topbar-title p {
    display: none;
  }

  .topbar-actions {
    gap: 8px;
  }

  .topbar-actions span {
    display: none;
  }

  .model-viewer-dock {
    left: 50%;
    right: auto;
    bottom: 10px;
    width: min(360px, calc(100vw - 20px));
  }

  .model-viewer-dock .model-viewer-stage {
    height: 300px;
    min-height: 300px;
  }

  .model-viewer-hud {
    justify-content: center;
  }

  .page-content {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card .stat-value {
    font-size: 24px;
  }

  .stat-card .stat-label {
    font-size: 12px;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card {
    border-radius: 12px;
  }

  .card-header {
    padding: 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-header h3 {
    font-size: 14px;
    width: 100%;
  }

  .card-header .btn {
    width: 100%;
  }

  .card-body {
    padding: 14px;
  }

  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 500px;
  }

  thead th {
    padding: 10px 12px;
    font-size: 10px;
  }

  tbody td {
    padding: 10px 12px;
    font-size: 12px;
  }

  .filters-bar {
    flex-direction: column;
    gap: 10px;
  }

  .filters-bar input,
  .filters-bar select {
    width: 100%;
    min-width: unset;
  }

  .filter-label {
    display: none;
  }

  .modal {
    max-width: calc(100% - 24px);
    padding: 18px;
    max-height: 85vh;
  }

  .modal-header h3 {
    font-size: 16px;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-actions .btn {
    width: 100%;
  }

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

  .form-control {
    padding: 12px 14px;
    font-size: 16px;
  }

  .btn {
    padding: 12px 16px;
    font-size: 14px;
    min-height: 44px;
  }

  .btn-sm {
    padding: 8px 12px;
    font-size: 12px;
    min-height: 40px;
  }

  .btn-icon {
    min-height: 40px;
    min-width: 40px;
  }

  .btn {
    width: 100%;
  }

  .upload-area {
    padding: 24px;
  }

  .upload-area .upload-icon {
    font-size: 32px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header h2 {
    font-size: 18px;
  }

  .empty-state {
    padding: 40px 20px;
  }

  .empty-state .empty-icon {
    font-size: 36px;
  }

  .login-page {
    padding: 16px;
  }

  .login-container {
    max-width: 100%;
  }

  .login-card {
    padding: 24px;
    border-radius: 14px;
  }

  .login-brand {
    margin-bottom: 20px;
  }

  .login-brand h1 {
    font-size: 20px;
  }

  .login-brand .logo-icon {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .credentials {
    font-size: 12px;
    padding: 8px 10px;
  }

  .role-toggle button {
    font-size: 13px;
    padding: 9px;
  }

  .employee-insights-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  #employee-list {
    max-height: 300px !important;
  }

  .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
  }

  .hide-on-mobile {
    display: none !important;
  }

  .show-on-mobile {
    display: block !important;
  }

  .login-page-footer {
    position: static;
    width: 100%;
    padding: 14px 6px 0;
    margin-top: 14px;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 56px;
  }

  body {
    font-size: 14px;
  }

  .topbar {
    height: 56px;
    padding: 0 12px;
  }

  .topbar-title h2 {
    font-size: 14px;
  }

  .page-content {
    padding: 12px;
  }

  .stats-grid {
    gap: 8px;
  }

  .stat-card {
    padding: 12px;
    text-align: center;
  }

  .stat-card .stat-value {
    font-size: 18px;
  }

  .stat-card .stat-label {
    font-size: 11px;
    margin-top: 4px;
  }

  .stat-card .stat-icon {
    font-size: 24px;
    margin-bottom: 4px;
  }

  .card {
    border-radius: 10px;
  }

  .card-header {
    padding: 12px;
    gap: 8px;
  }

  .card-header h3 {
    font-size: 13px;
  }

  .card-body {
    padding: 12px;
  }

  .btn {
    padding: 10px 12px;
    font-size: 13px;
    gap: 6px;
  }

  .btn-sm {
    padding: 7px 10px;
    font-size: 11px;
  }

  .form-control {
    padding: 10px 12px;
    font-size: 14px;
  }

  .form-group label {
    font-size: 12px;
  }

  .modal {
    padding: 14px;
    max-width: calc(100% - 16px);
  }

  .modal-header {
    margin-bottom: 14px;
  }

  .modal-header h3 {
    font-size: 14px;
  }

  .modal-close {
    font-size: 18px;
  }

  .model-viewer-dock-header h3 {
    font-size: 16px;
  }

  table {
    min-width: 400px;
  }

  thead th {
    padding: 8px 10px;
    font-size: 9px;
  }

  tbody td {
    padding: 8px 10px;
    font-size: 11px;
  }

  .login-card {
    padding: 16px;
  }

  .login-brand h1 {
    font-size: 18px;
  }

  .login-brand .logo-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .role-toggle {
    margin-bottom: 16px;
  }

  .role-toggle button {
    font-size: 12px;
    padding: 8px;
  }

  .sidebar-header {
    padding: 16px 12px;
  }

  .sidebar-logo h2 {
    font-size: 14px;
  }

  .sidebar-nav {
    padding: 8px 4px;
  }

  .nav-item {
    padding: 8px 10px;
    font-size: 13px;
    gap: 10px;
  }

  .nav-item .nav-icon {
    font-size: 16px;
  }

  .upload-area {
    padding: 16px;
  }

  .upload-area .upload-icon {
    font-size: 28px;
    margin-bottom: 8px;
  }

  .upload-area p {
    font-size: 12px;
  }

  .upload-area span {
    font-size: 11px;
  }

  .alert {
    padding: 10px 12px;
    font-size: 12px;
    margin-bottom: 12px;
  }

  .badge {
    padding: 3px 8px;
    font-size: 10px;
  }

  .mobile-menu-btn {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }
}

/* Utilities */
.text-success {
  color: var(--success);
}

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

.text-warning {
  color: var(--warning);
}

.text-muted {
  color: var(--text-muted);
}

.text-center {
  text-align: center;
}

.d-flex {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flex-1 {
  flex: 1;
}

.ml-auto {
  margin-left: auto;
}

.mt-4 {
  margin-top: 16px;
}

.mb-4 {
  margin-bottom: 16px;
}

.fw-600 {
  font-weight: 600;
}

.fs-13 {
  font-size: 13px;
}

.full-table .card {
  border: 1px solid var(--border);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}