/* ==========================================================================
   WorkTracker Modern Styling (CSS Grid, Flexbox, Light & Dark Mode)
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Primary & Brand Colors */
  --color-primary: #4f46e5;       /* Modern Indigo */
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef2ff;
  --color-primary-glow: rgba(79, 70, 229, 0.16);
  
  /* Status Colors */
  --color-office: #0284c7;       /* Sky Blue / Cyan for Office */
  --color-office-bg: #f0f9ff;
  --color-office-border: #bae6fd;
  
  --color-wfh: #7c3aed;          /* Purple / Violet for WFH */
  --color-wfh-bg: #f5f3ff;
  --color-wfh-border: #ddd6fe;
  
  --color-leave: #e11d48;        /* Rose / Coral for Leave */
  --color-leave-bg: #fff1f2;
  --color-leave-border: #fecdd3;
  
  --color-half: #d97706;         /* Amber / Orange for Half Day */
  --color-half-bg: #fffbeb;
  --color-half-border: #fde68a;

  --color-holiday: #059669;      /* Teal / Emerald for Public Holiday */
  --color-holiday-bg: #ecfdf5;
  --color-holiday-border: #a7f3d0;

  --color-menstrual: #db2777;    /* Pink for Menstrual Leave */
  --color-menstrual-bg: #fdf2f8;
  --color-menstrual-border: #fbcfe8;

  --color-success: #10b981;
  --color-success-bg: #ecfdf5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fffbeb;
  --color-danger: #ef4444;

  /* Neutrals (Light Mode) */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.05), 0 1px 2px -1px rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

[data-theme="dark"] {
  --bg-app: #090d16;
  --bg-surface: #111827;
  --bg-surface-alt: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --border-color: #2e384d;
  --border-hover: #475569;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);

  --color-primary-light: rgba(79, 70, 229, 0.2);
  --color-office-bg: rgba(2, 132, 199, 0.15);
  --color-office-border: rgba(2, 132, 199, 0.4);
  --color-wfh-bg: rgba(124, 58, 237, 0.15);
  --color-wfh-border: rgba(124, 58, 237, 0.4);
  --color-leave-bg: rgba(225, 29, 72, 0.15);
  --color-leave-border: rgba(225, 29, 72, 0.4);
  --color-half-bg: rgba(217, 119, 6, 0.15);
  --color-half-border: rgba(217, 119, 6, 0.4);
  --color-holiday-bg: rgba(5, 150, 105, 0.15);
  --color-holiday-border: rgba(5, 150, 105, 0.4);
  --color-menstrual-bg: rgba(219, 39, 119, 0.15);
  --color-menstrual-border: rgba(219, 39, 119, 0.4);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Visibility Helpers for Responsive Text */
.fy-full { display: inline; }
.fy-compact { display: none; }
.tab-text-full { display: inline; }
.tab-text-mobile { display: none; }
.badge-icon { flex-shrink: 0; }
.badge-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Layout */
.app-layout {
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem 1.5rem;
}

/* Navigation Bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
  gap: 1rem;
  backdrop-filter: blur(8px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.15);
}

.logo-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.month-selector {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.45rem;
  border-radius: 999px;
}

.current-period-display {
  min-width: 155px;
  text-align: center;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 0 0.4rem;
}

.fy-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(79, 70, 229, 0.2);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.fy-badge:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.825rem;
}

.btn-xs {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 8px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-wfh-bg);
  color: var(--color-wfh);
  border-color: var(--color-wfh-border);
}

.btn-secondary:hover {
  filter: brightness(0.96);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: var(--bg-surface);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border-hover);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background-color: var(--bg-surface-alt);
  color: var(--text-main);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* KPI Summary Cards */
.summary-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background-color 0.2s ease;
}

.kpi-office:hover::before { background-color: var(--color-office); }
.kpi-wfh:hover::before { background-color: var(--color-wfh); }
.kpi-leaves:hover::before { background-color: var(--color-primary); }
.kpi-upcoming:hover::before { background-color: var(--color-half); }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.kpi-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-icon-badge {
  font-size: 1.15rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.kpi-icon-badge.office { background: var(--color-office-bg); }
.kpi-icon-badge.wfh { background: var(--color-wfh-bg); }
.kpi-icon-badge.leaves { background: var(--color-leave-bg); }
.kpi-icon-badge.upcoming { background: var(--color-half-bg); }

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.kpi-main-number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.kpi-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.kpi-progress-bar {
  width: 100%;
  height: 7px;
  background-color: var(--bg-surface-alt);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.kpi-progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.office-fill { background: linear-gradient(90deg, #38bdf8, var(--color-office)); }
.wfh-fill { background: linear-gradient(90deg, #a78bfa, var(--color-wfh)); }
.leaves-fill { background: linear-gradient(90deg, #34d399, var(--color-success)); }

.kpi-target-indicator, .kpi-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.725rem;
  line-height: 1.2;
}

.status-pill-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-pill-neutral {
  background-color: var(--bg-surface-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.status-pill-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.kpi-category-balances {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.45rem;
  margin: 0.4rem 0 0.55rem 0;
}

.kpi-cat-box {
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  display: flex;
  flex-direction: column;
  transition: all 0.15s ease;
}

.kpi-cat-box:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-hover);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

.kpi-cat-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.kpi-cat-box-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-success);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.kpi-cat-box-sub {
  font-size: 0.68rem;
  color: var(--text-subtle);
  margin-top: 0.2rem;
}

.kpi-upcoming-content {
  flex: 1;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 55px;
}

.empty-upcoming {
  color: var(--text-subtle);
  font-style: italic;
  font-size: 0.8rem;
}

.btn-link-action {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  padding: 0;
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.15s ease;
}

.btn-link-action:hover {
  text-decoration: underline;
  gap: 0.45rem;
}

/* Tabs Bar - Modern Segmented Control */
.main-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.tabs-nav {
  display: inline-flex;
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  padding: 0.3rem;
  border-radius: 12px;
  gap: 0.25rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  background-color: var(--bg-surface);
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  font-weight: 700;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.calendar-legend-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.office-dot { background-color: var(--color-office); }
.wfh-dot { background-color: var(--color-wfh); }
.leave-dot { background-color: var(--color-leave); }
.holiday-dot { background-color: var(--color-holiday); }
.menstrual-dot { background-color: var(--color-menstrual); }
.half-dot { background: linear-gradient(135deg, var(--color-office) 50%, var(--color-wfh) 50%); }

/* Tab Panes */
.tab-pane {
  display: block;
}

.tab-pane.hidden {
  display: none !important;
}

/* Batch Tray */
.batch-tray {
  background-color: var(--bg-surface);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1rem;
  animation: slideDown 0.2s ease-out;
}

.batch-tray.hidden {
  display: none;
}

.batch-tray-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.batch-tray-title strong {
  display: block;
  font-size: 0.875rem;
}

.batch-tray-title span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.batch-tray-inputs {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.form-input, .form-select {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* Calendar Card */
.calendar-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

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

.calendar-grid-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.col-head {
  padding: 0.8rem 0.5rem;
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.weekend-head {
  color: var(--text-subtle);
}

.calendar-grid-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

/* Day Cell */
.day-cell {
  min-height: 110px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 0.6rem;
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  cursor: pointer;
  transition: background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.day-cell:nth-child(7n) {
  border-right: none;
}

.day-cell:hover {
  background-color: var(--bg-surface-alt);
}

.day-cell.other-month {
  background-color: rgba(0, 0, 0, 0.015);
  opacity: 0.45;
  cursor: default;
}

[data-theme="dark"] .day-cell.other-month {
  background-color: rgba(255, 255, 255, 0.015);
}

.day-cell.is-weekend {
  background-color: rgba(0, 0, 0, 0.018);
}

[data-theme="dark"] .day-cell.is-weekend {
  background-color: rgba(255, 255, 255, 0.02);
}

.day-cell.is-today {
  box-shadow: inset 0 0 0 2px var(--color-primary);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--bg-surface) 40%);
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.day-number {
  font-size: 0.925rem;
  font-weight: 700;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: all 0.15s ease;
}

.is-today .day-number {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.35);
}

.day-cell:hover:not(.other-month) .day-number {
  background-color: var(--border-color);
}

.is-today:hover .day-number {
  background-color: var(--color-primary-hover);
}

/* Status Badges on Days */
.day-status-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 600;
  margin-top: auto;
  line-height: 1.25;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.badge-office {
  background-color: var(--color-office-bg);
  color: var(--color-office);
  border: 1px solid var(--color-office-border);
}

.badge-wfh {
  background-color: var(--color-wfh-bg);
  color: var(--color-wfh);
  border: 1px solid var(--color-wfh-border);
}

.badge-leave {
  background-color: var(--color-leave-bg);
  color: var(--color-leave);
  border: 1px solid var(--color-leave-border);
}

.badge-holiday {
  background-color: var(--color-holiday-bg);
  color: var(--color-holiday);
  border: 1px solid var(--color-holiday-border);
}

.badge-menstrual {
  background-color: var(--color-menstrual-bg);
  color: var(--color-menstrual);
  border: 1px solid var(--color-menstrual-border);
}

.badge-half {
  background-color: var(--color-half-bg);
  color: var(--color-half);
  border: 1px solid var(--color-half-border);
}

.day-note-preview {
  font-size: 0.675rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.2rem;
  padding: 1px 4px;
  background-color: rgba(0, 0, 0, 0.03);
  border-radius: 4px;
}

/* TAB 2: Leave Planner Layout */
.leave-planner-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .leave-planner-grid {
    grid-template-columns: 1fr;
  }
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-title-row h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.leave-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.leave-cat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.leave-cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.leave-cat-title {
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.leave-cat-balance {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-success);
}

.leave-cat-bar {
  height: 6px;
  background-color: var(--bg-surface-alt);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.6rem 0 0.4rem 0;
}

.leave-cat-fill {
  height: 100%;
  background-color: var(--color-success);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.leave-cat-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.725rem;
  color: var(--text-muted);
}

/* Card generic */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.badge {
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.badge-accent {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-neutral {
  background-color: var(--bg-surface-alt);
  color: var(--text-muted);
}

.info-card {
  background-color: var(--color-primary-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.825rem;
  color: var(--text-main);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

/* Form Styles */
.leave-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.form-row {
  display: flex;
  gap: 0.85rem;
}

.flex-1 {
  flex: 1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-estimate {
  background-color: var(--bg-surface-alt);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
}

.hint-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Tables */
.leaves-table-wrapper {
  overflow-x: auto;
}

.leaves-table, .report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
  text-align: left;
}

.leaves-table th, .report-table th {
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-surface-alt);
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.leaves-table td, .report-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.leaves-table tbody tr:hover, .report-table tbody tr:hover {
  background-color: var(--bg-surface-alt);
}

.filter-pills {
  display: flex;
  gap: 0.35rem;
}

.filter-pill {
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  color: var(--text-muted);
}

.filter-pill.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* TAB 3: Analytics Layout */
.analytics-layout {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.stats-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.stat-box-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.stat-box-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-box-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.office-stat .stat-box-num { color: var(--color-office); }
.wfh-stat .stat-box-num { color: var(--color-wfh); }
.leave-stat .stat-box-num { color: var(--color-leave); }

.compliance-meter-container {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.5rem 0;
}

.compliance-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.compliance-track {
  width: 100%;
  height: 18px;
  background-color: var(--bg-surface-alt);
  border-radius: 999px;
  position: relative;
  overflow: visible;
}

.compliance-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, var(--color-office));
  transition: width 0.5s ease;
}

.target-marker {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 4px;
  background-color: var(--color-danger);
  border-radius: 2px;
  box-shadow: 0 0 5px rgba(220, 38, 38, 0.5);
}

.target-marker::after {
  content: 'TARGET';
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
}

.compliance-message {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.formula-box {
  background: var(--bg-surface-alt);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-main);
  line-height: 1.6;
}

.formula-box strong {
  color: var(--color-primary);
}

.ytd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

/* Modals */
.modal {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 100vw;
  max-height: 100vh;
  margin: auto;
}

.modal::backdrop {
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
}

.modal-box {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 530px;
  max-width: 94vw;
  padding: 1.65rem;
  animation: modalScaleIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-lg {
  width: 660px;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.modal-label {
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.quick-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.status-choice-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 0.65rem;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-main);
  text-align: center;
}

.status-choice-btn:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.status-choice-btn.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 2px var(--color-primary), 0 4px 10px rgba(79, 70, 229, 0.2);
  transform: translateY(-1px);
}

.choice-icon {
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
  transition: transform 0.15s ease;
}

.status-choice-btn:hover .choice-icon {
  transform: scale(1.1);
}

.choice-name {
  font-size: 0.85rem;
  font-weight: 700;
}

.choice-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.modal-extra-options {
  background-color: var(--bg-surface-alt);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.15rem;
  display: flex;
  gap: 0.75rem;
  border: 1px solid var(--border-color);
}

.modal-extra-options.hidden {
  display: none;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.modal-actions-right {
  display: flex;
  gap: 0.6rem;
}

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

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

.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1.25rem; }

/* Settings specific */
.settings-subheading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
  margin-bottom: 0.75rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.input-with-suffix {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
}

.input-with-suffix .form-input {
  border: none;
  flex: 1;
}

.input-with-suffix .suffix {
  padding: 0 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.backup-actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.file-input-label {
  cursor: pointer;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 9999;
}

.toast {
  background-color: var(--text-main);
  color: var(--bg-surface);
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.825rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: toastIn 0.2s ease-out;
}

/* Accrual and Menstrual Card Specifics */
.fy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 999px;
  font-size: 0.775rem;
  font-weight: 700;
}

.menstrual-card {
  background: linear-gradient(135deg, var(--bg-surface) 65%, var(--color-menstrual-bg));
  border: 1px solid var(--color-menstrual-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.menstrual-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.menstrual-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-menstrual);
}

.menstrual-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.menstrual-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.5;
}

.accrual-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
  margin-top: 1.25rem;
}

.accrual-view-switch {
  display: inline-flex;
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 3px;
  gap: 3px;
}

.accrual-switch-btn {
  padding: 0.38rem 0.95rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.accrual-switch-btn:hover {
  color: var(--text-main);
}

.accrual-switch-btn.active {
  background-color: var(--bg-surface);
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  font-weight: 700;
}

.accrual-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.accrual-metric-box {
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  transition: all 0.15s ease;
}

.accrual-metric-box:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.accrual-metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.accrual-metric-val {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  line-height: 1.1;
}

.accrual-metric-sub {
  font-size: 0.7rem;
  color: var(--text-subtle);
  margin-top: 0.25rem;
}

.accrual-table-wrap {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.accrual-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
  text-align: left;
}

.accrual-table th {
  position: sticky;
  top: 0;
  background-color: var(--bg-surface-alt);
  padding: 0.7rem 0.85rem;
  font-weight: 700;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  z-index: 1;
}

.accrual-table td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.accrual-table tbody tr:hover {
  background-color: var(--bg-surface-alt);
}

.accrual-table tr.current-month-row {
  background-color: var(--color-primary-light);
  font-weight: 600;
}

.accrual-table tr.current-month-row td {
  border-top: 1.5px solid var(--color-primary);
  border-bottom: 1.5px solid var(--color-primary);
}

/* Animations */
@keyframes modalScaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Mobile & Tablet Design */
@media (max-width: 900px) {
  .app-layout {
    padding: 1rem 1rem 3rem 1rem;
  }

  .top-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .nav-left {
    order: 1;
  }

  .nav-right {
    order: 2;
  }

  .nav-center {
    order: 3;
    width: 100%;
  }

  .month-selector {
    width: 100%;
    justify-content: space-between;
  }

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

  .leave-planner-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .app-layout {
    padding: 0.65rem 0.6rem 2.5rem 0.6rem;
    overflow-x: hidden;
  }

  /* Top Navigation Bar on Mobile */
  .top-nav {
    border-radius: var(--radius-lg);
    padding: 0.65rem 0.75rem;
    margin-bottom: 0.85rem;
    gap: 0.55rem;
  }

  .logo {
    gap: 0.45rem;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1.35rem;
    border-radius: var(--radius-sm);
  }

  .logo-text h1 {
    font-size: 1.05rem;
  }

  .logo-sub {
    display: none;
  }

  .nav-right {
    gap: 0.35rem;
  }

  .nav-right .btn-sm {
    padding: 0.35rem 0.55rem;
    font-size: 0.78rem;
  }

  #planLeaveNavBtn {
    display: none; /* Hidden on phone header; Leave tab is right below */
  }

  .month-selector {
    width: 100%;
    padding: 0.2rem 0.35rem;
    gap: 0.2rem;
  }

  .current-period-display {
    min-width: auto;
    font-size: 0.925rem;
    padding: 0 0.2rem;
  }

  .fy-full {
    display: none;
  }

  .fy-compact {
    display: inline;
  }

  .fy-badge {
    padding: 0.2rem 0.45rem;
    font-size: 0.7rem;
    white-space: nowrap;
  }

  /* KPI Summary Cards on Mobile - Full Width Stack */
  .summary-kpi-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
    width: 100%;
  }

  .kpi-card {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .kpi-main-number {
    font-size: 1.95rem;
  }

  .kpi-category-balances {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
  }

  .kpi-cat-box {
    padding: 0.45rem 0.55rem;
  }

  .kpi-cat-val {
    font-size: 1.15rem;
  }

  /* Segmented Tabs Bar on Mobile */
  .main-tabs-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    margin-bottom: 0.85rem;
  }

  .tabs-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    padding: 0.2rem;
    gap: 0.2rem;
  }

  .tab-btn {
    padding: 0.55rem 0.2rem;
    font-size: 0.75rem;
    justify-content: center;
    text-align: center;
  }

  .tab-icon {
    font-size: 0.95rem;
  }

  .tab-text-full {
    display: none;
  }

  .tab-text-mobile {
    display: inline;
    font-weight: 600;
  }

  .calendar-legend-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem 0.65rem;
    font-size: 0.725rem;
    padding: 0 0.25rem;
  }

  #batchLogTriggerBtn {
    margin-top: 0.2rem;
  }

  /* Calendar on Mobile */
  .calendar-card {
    border-radius: var(--radius-lg);
    width: 100%;
  }

  .calendar-grid-header .col-head {
    padding: 0.55rem 0.15rem;
    font-size: 0.68rem;
    letter-spacing: 0.02em;
  }

  .day-cell {
    min-height: 58px;
    height: 60px;
    padding: 0.22rem 0.15rem;
    overflow: hidden;
  }

  .day-header {
    margin-bottom: 0.15rem;
  }

  .day-number {
    width: 20px;
    height: 20px;
    font-size: 0.725rem;
    font-weight: 600;
  }

  .day-status-badge {
    padding: 2px 3px;
    font-size: 0.62rem;
    border-radius: 4px;
    justify-content: center;
    text-align: center;
    line-height: 1.15;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    gap: 0.15rem;
    margin-top: auto;
  }

  .badge-icon {
    font-size: 0.7rem;
    flex-shrink: 0;
  }

  .badge-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .day-note-preview {
    display: none;
  }

  /* Batch Log Drawer */
  .batch-tray-content {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .batch-tray-inputs {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .batch-tray-inputs .input-group {
    width: 100%;
    justify-content: space-between;
  }

  .batch-tray-inputs .input-group input,
  .batch-tray-inputs .input-group select {
    flex: 1;
  }

  .batch-tray-inputs .btn {
    width: 100%;
    margin-top: 0.35rem;
  }

  /* Modals on Mobile */
  .modal-box {
    width: 95vw;
    max-width: 440px;
    padding: 1.25rem 1rem;
    border-radius: var(--radius-lg);
  }

  .modal-lg {
    width: 96vw;
    max-width: 580px;
  }

  .modal-header {
    margin-bottom: 0.85rem;
  }

  .quick-status-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.85rem;
  }

  .status-choice-btn {
    padding: 0.75rem 0.45rem;
    min-height: 52px;
  }

  .choice-icon {
    font-size: 1.45rem;
    margin-bottom: 0.2rem;
  }

  .choice-title {
    font-size: 0.8rem;
  }

  .modal-footer {
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

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

  .modal-actions-right {
    width: 100%;
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

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

  /* Scrollable Tables on Mobile */
  .leaves-table-wrapper,
  .accrual-table-wrap,
  .table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .leaves-table, .accrual-table, .report-table {
    min-width: 540px;
  }

  .filter-pills {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .leave-breakdown-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}

@media (max-width: 380px) {
  .logo-text h1 {
    font-size: 0.95rem;
  }

  .current-period-display {
    font-size: 0.85rem;
  }

  .fy-badge {
    display: none;
  }

  .day-cell {
    min-height: 52px;
    height: 54px;
    padding: 0.15rem 0.1rem;
  }

  .day-status-badge .badge-text {
    display: none;
  }
}

/* Print Styles */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  .top-nav, .main-tabs-bar, .form-card, .btn, #batchLogTray, .modal, .toast-container {
    display: none !important;
  }
  .app-layout {
    max-width: 100% !important;
    padding: 0 !important;
  }
  .tab-pane {
    display: block !important;
  }
  .summary-kpi-grid, .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
}