:root {
  --bg: #0b1020;
  --border: rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e5eefc;
  --text-soft: #94a3b8;
  --text-faint: #64748b;
  --primary: #7c3aed;
  --primary-2: #8b5cf6;
  --primary-ring: rgba(139, 92, 246, 0.38);
  --success: #22c55e;
  --danger: #ef4444;
  --shadow-md: 0 20px 50px rgba(2, 6, 23, 0.28);
  --shadow-lg: 0 30px 80px rgba(2, 6, 23, 0.38);
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --container: 1220px;
  --header-height: 78px;
  --transition-fast: 160ms ease;
  --transition: 240ms cubic-bezier(.2,.8,.2,1);
  --transition-slow: 420ms cubic-bezier(.2,.8,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 500px at 10% -10%, rgba(124, 58, 237, 0.24), transparent 60%),
    radial-gradient(900px 540px at 110% 10%, rgba(59, 130, 246, 0.18), transparent 58%),
    linear-gradient(180deg, #090d18 0%, #0b1020 45%, #0a0f1d 100%);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.025), rgba(255,255,255,0.025)) 0 0 / 100% 1px no-repeat,
    linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02)) 0 0 / 1px 100% no-repeat;
  opacity: 0.18;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img, svg, canvas { display: block; max-width: 100%; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }

.glass-card, .auth-panel, .content, .header, .nav-tabs, .modal-content, .stat-card, .entry-card, .chart-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
}

#auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 48px;
}

.auth-panel {
  width: min(100%, 460px);
  padding: 34px;
  border-radius: var(--radius-xl);
  display: none;
  position: relative;
  overflow: hidden;
}

.auth-panel.active { display: block; animation: fadeUp var(--transition-slow); }

.auth-panel h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 5vw, 34px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.subtitle { margin: 0 0 26px; color: var(--text-soft); font-size: 15px; }
.auth-toggle { margin-top: 20px; text-align: center; color: var(--text-soft); font-size: 14px; }
.auth-switch-link { color: #c4b5fd; font-weight: 600; }
.auth-switch-link:hover { color: #ddd6fe; }

.app { display: none; padding-block: 20px 40px; }
.app.active { display: block; animation: fadeIn var(--transition-slow); }

.header {
  position: sticky;
  top: 14px;
  z-index: 40;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  margin-bottom: 18px;
}

.header h1 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.header h1 i {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 12px 28px rgba(124, 58, 237, 0.35);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-info {
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  min-width: 160px;
}

.username { font-weight: 700; font-size: 14px; letter-spacing: -0.02em; }
.role { margin-top: 2px; color: var(--text-soft); font-size: 12px; }

.nav-tabs {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-lg);
  margin-bottom: 18px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-soft);
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition-fast), box-shadow var(--transition);
}

.nav-tab:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
  transform: translateY(-1px);
}

.nav-tab.active {
  color: white;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.88), rgba(139, 92, 246, 0.78));
  border-color: rgba(196, 181, 253, 0.28);
  box-shadow: 0 16px 36px rgba(124, 58, 237, 0.26);
}

.content {
  position: relative;
  padding: 26px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeUp 280ms ease; }

.section-heading, .admin-subsection-heading, .subsection-heading {
  margin: 0 0 18px;
  letter-spacing: -0.035em;
}

.section-heading { font-size: clamp(24px, 3vw, 32px); line-height: 1.06; }

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.subsection-heading, .admin-subsection-heading { font-size: 18px; color: var(--text); }

.stats-panel {
  margin-bottom: 22px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.summary-card {
  grid-column: span 4;
  border-radius: 20px;
  padding: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.summary-label { color: var(--text-soft); font-size: 13px; margin-bottom: 8px; }
.summary-value { font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -0.04em; }
.summary-subvalue { margin-top: 8px; color: var(--text-soft); font-size: 13px; }
.positive { color: #86efac; }
.negative { color: #fca5a5; }
.neutral { color: var(--text-soft); }

.month-selector {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.month-display-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
  min-height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
}

.month-display-btn:hover {
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.06);
}

.month-display-btn:focus {
  outline: none;
  border-color: var(--primary-2);
  box-shadow: 0 0 0 5px var(--primary-ring);
}

.month-display-label {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  word-break: break-word;
}

.month-display-sub {
  font-size: 12px;
  color: var(--text-soft);
}

.month-picker-native {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.btn-icon {
  width: 52px;
  min-width: 52px;
  min-height: 56px;
  padding: 0;
}


.month-nav-btn {
  font-size: 18px;
}

.chart-card { padding: 18px; border-radius: 20px; }
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.chart-subtitle { font-size: 13px; color: var(--text-soft); }

canvas {
  width: 100%;
  background: rgba(255,255,255,0.02);
  border-radius: 16px;
}

.entries-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.entry-card {
  grid-column: span 6;
  border-radius: 22px;
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

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

.entry-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.entry-card-date { font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
.entry-card-time { color: var(--text-soft); margin-bottom: 16px; }

.entry-card-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.entry-detail {
  padding: 13px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.entry-detail-label { font-size: 12px; color: var(--text-soft); margin-bottom: 6px; }
.entry-detail-value { font-weight: 700; }

.entry-card-salary {
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.14), rgba(34, 197, 94, 0.06));
  border: 1px solid rgba(34, 197, 94, 0.18);
  margin-bottom: 14px;
}

.entry-card-salary-label { font-size: 12px; color: #86efac; margin-bottom: 6px; }
.entry-card-salary-value { font-size: 24px; font-weight: 800; color: #dcfce7; letter-spacing: -0.03em; }

.entry-card-description {
  margin-bottom: 16px;
  padding: 14px 15px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.04);
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
}

.entry-card-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.entry-form { display: grid; gap: 18px; }

.form-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.form-section .form-group { grid-column: span 3; }
.form-group { display: grid; gap: 8px; }

.form-group label { color: var(--text-soft); font-size: 13px; font-weight: 600; }

.form-group input, .form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 15px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-faint); }
.form-group input:hover, .form-group textarea:hover { border-color: var(--border-strong); }

.form-group input:focus, .form-group textarea:focus, .month-display-btn:focus {
  border-color: var(--primary-2);
  box-shadow: 0 0 0 5px var(--primary-ring);
  background: rgba(255,255,255,0.06);
}

.entry-description { min-height: 120px; resize: vertical; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  grid-column: span 3;
  border-radius: 20px;
  padding: 18px;
}

.stat-card-label { color: var(--text-soft); font-size: 13px; margin-bottom: 8px; }
.stat-card-value { font-size: clamp(28px, 4vw, 36px); font-weight: 800; letter-spacing: -0.04em; }

.users-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
}

.users-table thead th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  padding: 16px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.users-table tbody td {
  padding: 16px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
}

.users-table tbody tr { transition: background var(--transition-fast); }
.users-table tbody tr:hover { background: rgba(255,255,255,0.025); }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.badge-admin {
  color: #ede9fe;
  background: rgba(124, 58, 237, 0.22);
  border-color: rgba(167, 139, 250, 0.22);
}

.badge-user {
  color: #dbeafe;
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(96, 165, 250, 0.18);
}

.btn, .btn-logout, .btn-delete, .btn-action, .btn-action-delete, .btn-small-primary {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 15px;
  font-weight: 700;
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  transition: transform var(--transition-fast), box-shadow var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition-fast);
}

.btn:hover, .btn-logout:hover, .btn-delete:hover, .btn-action:hover, .btn-action-delete:hover, .btn-small-primary:hover { transform: translateY(-1px); }
.btn:active, .btn-logout:active, .btn-delete:active, .btn-action:active, .btn-action-delete:active, .btn-small-primary:active { transform: translateY(0); }

.btn-primary, .btn-small-primary, .btn-action {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: rgba(196, 181, 253, 0.22);
  box-shadow: 0 14px 30px rgba(124, 58, 237, 0.26);
}

.btn-primary:hover, .btn-small-primary:hover, .btn-action:hover { box-shadow: 0 18px 38px rgba(124, 58, 237, 0.34); }

.btn-secondary {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.08); }

.btn-logout, .btn-delete, .btn-action-delete {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.88), rgba(220, 38, 38, 0.82));
  border-color: rgba(252, 165, 165, 0.22);
  box-shadow: 0 14px 30px rgba(239, 68, 68, 0.22);
}

.btn-logout:hover, .btn-delete:hover, .btn-action-delete:hover { box-shadow: 0 18px 38px rgba(239, 68, 68, 0.3); }

.full-width { width: 100%; }

.alert {
  position: fixed;
  right: 18px;
  bottom: 18px;
  min-width: 280px;
  max-width: min(92vw, 420px);
  z-index: 2000;
  padding: 14px 16px;
  border-radius: 16px;
  color: white;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 320ms ease;
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.alert.success { background: linear-gradient(135deg, rgba(22, 163, 74, 0.95), rgba(34, 197, 94, 0.88)); }
.alert.error { background: linear-gradient(135deg, rgba(220, 38, 38, 0.95), rgba(239, 68, 68, 0.9)); }
.alert.hide { animation: slideOutRight 260ms ease forwards; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.68);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal.active { display: flex; animation: fadeIn 220ms ease; }

.modal-content {
  position: relative;
  width: min(100%, 520px);
  border-radius: 28px;
  padding: 24px;
  animation: scaleIn 260ms ease;
}

.modal-header h2 { margin: 0 0 16px; font-size: 24px; letter-spacing: -0.04em; }
.modal-body { display: grid; gap: 14px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.empty-state {
  padding: 16px;
  border-radius: 16px;
  color: var(--text-soft);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.04);
}

[hidden], .is-hidden { display: none !important; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideOutRight { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(18px); } }

@media print {
  body { background: white !important; color: black !important; }
  body::before, .header-right, .nav-tabs, #auth, #addTab, #adminTab, .entry-card-actions, .month-selector, .btn, .btn-logout, .btn-small-primary, .btn-action, .btn-action-delete, .btn-delete, .alert {
    display: none !important;
  }
  .app, .app.active { display: block !important; }
  .content, .stats-panel, .chart-card, .entry-card, .summary-card {
    background: white !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    color: black !important;
  }
}

@media (max-width: 1100px) {
  .summary-card { grid-column: span 6; }
  .entry-card { grid-column: span 12; }
  .form-section .form-group { grid-column: span 6; }
  .stat-card { grid-column: span 6; }
}

@media (max-width: 768px) {
  :root { --header-height: auto; }

  .container { width: min(100% - 20px, var(--container)); }
  #auth { align-items: stretch; padding-block: 22px; }
  .auth-panel { width: 100%; padding: 24px 18px; border-radius: 24px; }
  .app { padding-block: 12px 24px; }

  .header {
    position: static;
    padding: 16px;
    gap: 14px;
    border-radius: 22px;
  }

  .header h1 { font-size: 24px; }
  .header-right {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .user-info, .btn-logout, .btn-small-primary, #exportPdfBtn, #refreshAdminBtn { width: 100%; }

  .nav-tabs {
    padding: 8px;
    gap: 8px;
    border-radius: 20px;
    margin-bottom: 14px;
    display: grid;
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .nav-tab {
    min-height: 46px;
    padding: 12px 14px;
    border-radius: 13px;
    width: 100%;
    justify-content: center;
  }

  .content { padding: 18px 14px; border-radius: 24px; }
  .section-heading-row { flex-direction: column; align-items: stretch; }
  @media (max-width: 768px) {
  .month-selector {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .month-display-btn {
    order: -1;
    min-height: 72px;
    padding: 14px 16px;
  }
   .month-display-label {
    font-size: 20px;
  }
  .month-display-sub {
    font-size: 13px;
  }
  .month-nav-btn,
  .month-selector .btn-icon {
    width: 100%;
    min-width: 100%;
    min-height: 48px;
  }

  .stats-grid { grid-template-columns: 1fr; }
  .summary-card { grid-column: span 1; padding: 16px; }

  .entries-grid { grid-template-columns: 1fr; gap: 12px; }
  .entry-card { grid-column: span 1; padding: 16px; border-radius: 20px; }
  .entry-card-details { grid-template-columns: 1fr; }

  .form-section { grid-template-columns: 1fr; }
  .form-section .form-group { grid-column: span 1; }

  .btn, .btn-primary, .btn-secondary, .btn-logout, .btn-action, .btn-action-delete, .btn-delete, .btn-small-primary {
    width: 100%;
    min-height: 46px;
  }

  .entry-card-actions { flex-direction: column; }
  .admin-grid { grid-template-columns: 1fr; }
  .stat-card { grid-column: span 1; }

  .users-table { display: table; width: 100%; }
  .users-table thead { display: none; }
  .users-table tbody { display: block; width: 100%; }
  #usersList { display: block; width: 100%; }
  #usersList tr { display: none; }

  .user-mobile-card {
    display: block;
    width: 100%;
    margin-bottom: 12px;
    padding: 14px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
    border: 1px solid rgba(148, 163, 184, 0.16);
    box-shadow: 0 14px 36px rgba(2, 6, 23, 0.24);
  }

  .user-mobile-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
  }

  .user-mobile-name { font-size: 15px; font-weight: 700; word-break: break-word; }
  .user-mobile-email { margin-top: 4px; font-size: 13px; color: var(--text-soft); word-break: break-word; }

  .user-mobile-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }

  .user-mobile-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
  }

  .user-mobile-stat span { color: var(--text-soft); font-size: 13px; }
  .user-mobile-stat strong { font-size: 14px; }

  .user-mobile-actions { display: flex; flex-direction: column; gap: 8px; }
  .user-mobile-current { font-size: 12px; color: var(--text-soft); text-align: center; padding-top: 4px; }

  .modal { padding: 12px; }
  .modal-content { width: 100%; padding: 18px 16px; border-radius: 24px; }
  .modal-footer { flex-direction: column-reverse; }

  .alert {
    left: 12px;
    right: 12px;
    bottom: 12px;
    min-width: 0;
    max-width: none;
  }
}