/* ===== ROOT VARIABLES ===== */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-card-hover: #22272e;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --accent: #58a6ff;
  --accent-dark: #1f6feb;
  --success: #3fb950;
  --danger: #f85149;
  --warning: #d29922;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== SIDEBAR ===== */
.sidebar {
  width: 224px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.3px;
}

.brand-icon { font-size: 22px; }
.brand-logo { width: 32px; height: 32px; flex-shrink: 0; }

.nav-links { list-style: none; padding: 12px 8px; flex: 1; }
.nav-links li { margin-bottom: 2px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
  font-size: 13px;
}

.nav-link:hover { background: var(--bg-card); color: var(--text-primary); }
.nav-link.active { background: rgba(88, 166, 255, 0.12); color: var(--accent); font-weight: 500; }
.nav-icon { font-size: 15px; width: 20px; text-align: center; }

/* ===== BURGER BUTTON ===== */
.burger-btn {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-primary);
  line-height: 1;
  transition: background 0.15s;
}
.burger-btn:hover { background: var(--bg-card-hover); }

/* Overlay for mobile sidebar */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }

/* ===== MAIN ===== */
.main { margin-left: 224px; flex: 1; padding: 32px; min-height: 100vh; width: calc(100% - 224px); }

.page-header { margin-bottom: 28px; }
.page-title { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.page-subtitle { color: var(--text-secondary); font-size: 13px; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-value { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.stat-sub { font-size: 11px; color: var(--text-muted); }

.stat-income { color: var(--success); }
.stat-expense { color: var(--danger); }
.stat-balance { color: var(--accent); }
.stat-neutral { color: var(--text-primary); }

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary { background: var(--accent-dark); color: #fff; border-color: var(--accent-dark); }
.btn-primary:hover { background: #388bfd; filter: brightness(1.1); }

.btn-secondary { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background: var(--border-color); }

.btn-danger { background: rgba(248, 81, 73, 0.15); color: var(--danger); border-color: rgba(248, 81, 73, 0.4); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-success { background: rgba(63, 185, 80, 0.15); color: var(--success); border-color: rgba(63, 185, 80, 0.4); }
.btn-success:hover { background: var(--success); color: #fff; }

.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 11px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.form-control:focus { border-color: var(--accent); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--bg-card); color: var(--text-primary); }

/* ===== TABLE ===== */
.table-wrapper { overflow-x: auto; }

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

thead th {
  background: var(--bg-secondary);
  padding: 9px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

thead th[data-sort] { cursor: pointer; }
thead th[data-sort]:hover { color: var(--text-primary); }
thead th.sort-asc::after { content: ' ↑'; color: var(--accent); }
thead th.sort-desc::after { content: ' ↓'; color: var(--accent); }

tbody tr { border-bottom: 1px solid var(--border-color); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card-hover); }

tbody td { padding: 9px 14px; font-size: 13px; color: var(--text-primary); vertical-align: middle; }

.amount-positive { color: var(--success); font-weight: 600; }
.amount-negative { color: var(--danger); font-weight: 600; }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.6;
}

/* ===== FILTERS BAR ===== */
.filters-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filters-bar .form-group { margin-bottom: 0; flex: 1; min-width: 130px; }

/* ===== DROP ZONE ===== */
.drop-zone {
  display: block;
  border: 2px dashed var(--border-color);
  border-radius: 10px;
  padding: 56px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.04);
}

.drop-zone-icon { font-size: 48px; margin-bottom: 14px; }
.drop-zone-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.drop-zone-sub { color: var(--text-secondary); font-size: 13px; }

/* ===== ALERTS ===== */
.alert {
  padding: 11px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  display: none;
}

.alert.show { display: block; }
.alert-success { background: rgba(63, 185, 80, 0.12); border: 1px solid rgba(63, 185, 80, 0.3); color: var(--success); }
.alert-danger { background: rgba(248, 81, 73, 0.12); border: 1px solid rgba(248, 81, 73, 0.3); color: var(--danger); }
.alert-info { background: rgba(88, 166, 255, 0.08); border: 1px solid rgba(88, 166, 255, 0.25); color: var(--accent); }
.alert-warning { background: rgba(210, 153, 34, 0.12); border: 1px solid rgba(210, 153, 34, 0.3); color: var(--warning); }

/* ===== MODAL ===== */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-backdrop.show { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: 90vh;
  overflow-y: auto;
  max-width: 80vw;
  min-width: 520px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}

.modal-title { font-size: 14px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.modal-close:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.modal-body { padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.admin-tools{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 10px;
    overflow: auto;
}
/* ===== CATEGORY DOT ===== */
.cat-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 6px; flex-shrink: 0; }

/* ===== RECURRING LIST ===== */
.recurring-list { list-style: none; }

.recurring-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.recurring-item:last-child { border-bottom: none; }

/* ===== IMPORT PREVIEW ===== */
#preview-section { display: none; }

.preview-info { display: flex; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }

.preview-stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 20px;
  text-align: center;
  min-width: 110px;
}

.preview-stat-num { font-size: 24px; font-weight: 700; color: var(--accent); line-height: 1.2; }
.preview-stat-label { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

/* ===== EMPTY STATE ===== */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-secondary); }
.empty-state-icon { font-size: 44px; margin-bottom: 12px; }
.empty-state-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.empty-state-sub { font-size: 13px; }
.empty-state a { color: var(--accent); text-decoration: none; }
.empty-state a:hover { text-decoration: underline; }

/* ===== PAGINATION ===== */
.pagination { display: flex; justify-content: center; gap: 4px; margin-top: 16px; flex-wrap: wrap; }

.page-btn {
  min-width: 32px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s;
  padding: 0 6px;
}

.page-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.page-btn.active { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.page-btn[disabled] { opacity: 0.4; cursor: default; pointer-events: none; }

/* ===== CALENDAR ===== */
.calendar-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.calendar-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
}

.calendar-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.calendar-month-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-hint {
  font-size: 12px;
  color: var(--text-secondary);
}

.calendar-summary {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.calendar-weekdays span {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  padding: 6px 0;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.calendar-day-cell {
  min-height: 110px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.calendar-day-cell:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.calendar-day-current { opacity: 1; }
.calendar-day-muted { opacity: 0.45; }
.calendar-day-selected { border-color: var(--accent); box-shadow: inset 0 0 0 1px rgba(88, 166, 255, 0.4); }
.calendar-day-has-data { background: rgba(88, 166, 255, 0.08); }

.calendar-day-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-day-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.calendar-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 6px;
  font-size: 10px;
  line-height: 1.4;
  border: 1px solid transparent;
}

.calendar-details {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calendar-details-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.calendar-details-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-details-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

.calendar-detail-summary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
}

.calendar-detail-section-title {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.calendar-detail-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.calendar-detail-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
}

.calendar-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.calendar-detail-total {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.calendar-detail-meta {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ===== CHART CONTAINER ===== */
.chart-container { position: relative; height: 260px; }

/* ===== CHART EXPAND BUTTON ===== */
.btn-expand {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 5px;
  padding: 3px 7px;
  font-size: 13px;
  cursor: pointer;
  line-height: 1;
  transition: all 0.15s;
}
.btn-expand:hover { color: var(--text-primary); background: var(--bg-card-hover); }

/* ===== CHART MODAL (fullscreen) ===== */
.modal-chart {
  width: 96vw;
  max-width: 96vw;
  height: 90vh;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.modal-chart .modal-body {
  flex: 1;
  padding: 16px 20px;
  overflow: hidden;
}
.modal-chart .chart-container-full {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ===== COLOR PICKER ===== */
input[type="color"] {
  width: 38px;
  height: 34px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  cursor: pointer;
}

/* ===== CODE ===== */
code {
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 12px;
  background: var(--bg-secondary);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .burger-btn { display: block; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 100;
  }
  .sidebar.open { transform: translateX(0); }

  .main { margin-left: 0; padding: 16px; padding-top: 52px; width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}