/* ============================================================
   Accounting Manager — Sleek day/night theme
   Tighter type scale, thinner borders, restrained shadows.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* ---------- DAY (default) ---------- */
:root,
[data-theme="light"] {
  --bg:           #fafafa;
  --surface:      #ffffff;
  --surface-2:    #f4f5f7;
  --surface-3:    #ebedf0;

  --text:         #16181d;
  --text-2:       #3f4350;
  --text-3:       #6b7280;
  --text-4:       #9aa0ab;

  --border:       #e8eaed;
  --border-soft:  #f1f3f5;

  --brand:        #5b5fef;
  --brand-2:      #7376f3;
  --brand-3:      #4a4ee0;

  --success:      #059669;
  --success-bg:   #d1fae5;
  --danger:       #dc2626;
  --danger-bg:    #fee2e2;
  --warn:         #d97706;

  --shadow:       0 1px 0 rgba(15, 23, 42, 0.04);
  --shadow-lg:    0 12px 32px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.04);
  --color-scheme: light;
}

/* ---------- NIGHT ---------- */
[data-theme="dark"] {
  --bg:           #0a0d18;
  --surface:      #11141f;
  --surface-2:    #181c2a;
  --surface-3:    #222637;

  --text:         #e8ecf5;
  --text-2:       #b8c0d2;
  --text-3:       #7a829a;
  --text-4:       #555c72;

  --border:       rgba(255, 255, 255, 0.07);
  --border-soft:  rgba(255, 255, 255, 0.04);

  --brand:        #6366f1;
  --brand-2:      #818cf8;
  --brand-3:      #5558e3;

  --success:      #34d399;
  --success-bg:   rgba(16, 185, 129, 0.12);
  --danger:       #f87171;
  --danger-bg:    rgba(239, 68, 68, 0.12);
  --warn:         #fbbf24;

  --shadow:       0 1px 0 rgba(0, 0, 0, 0.2);
  --shadow-lg:    0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --color-scheme: dark;
}

/* ============================================================
   Base
   ============================================================ */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { color-scheme: var(--color-scheme); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
  transition: background-color .2s ease, color .2s ease;
}

.hidden { display: none !important; }

::selection { background: var(--brand); color: #fff; }

/* ============================================================
   Auth
   ============================================================ */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.brand h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.3px;
}
.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--brand) 0%, #8b5cf6 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3), 0 4px 12px rgba(99, 102, 241, 0.2);
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--surface-2);
  border-radius: 7px;
  margin-bottom: 16px;
}
.tab {
  flex: 1;
  padding: 6px 10px;
  border: 0;
  background: transparent;
  color: var(--text-3);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 5px;
  transition: all .12s ease;
}
.tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: -0.1px;
}

.auth-error {
  color: var(--danger);
  font-size: 12px;
  margin: 4px 0 0;
  min-height: 14px;
}
.hint { color: var(--text-4); font-size: 12px; margin: 0; }

/* ============================================================
   Inputs
   ============================================================ */
input, select, textarea {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font: inherit;
  font-size: 12.5px;
  transition: border-color .12s ease, box-shadow .12s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-4); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
textarea { resize: vertical; min-height: 56px; }

select option, select optgroup {
  background-color: var(--surface);
  color: var(--text);
}
select option:checked { background-color: var(--brand); color: #ffffff; }

input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: 0.5; }
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.85); }
input[type="color"] { padding: 3px; height: 32px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: -0.1px;
  transition: background .12s ease, border-color .12s ease, color .12s ease, box-shadow .12s ease;
}
.btn:hover { background: var(--surface-3); }

.btn.primary {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1) inset, 0 1px 2px rgba(91, 95, 239, 0.4);
}
.btn.primary:hover { background: var(--brand-3); }

.btn.ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }

.btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}
.btn.danger:hover { background: var(--danger-bg); }

.btn.small { padding: 4px 8px; font-size: 11.5px; }

.icon-btn {
  background: transparent;
  border: 0;
  color: var(--text-3);
  width: 24px;
  height: 24px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  transition: background .12s ease, color .12s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* ============================================================
   App layout — centered
   ============================================================ */
.app {
  display: grid;
  grid-template-columns: 208px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border-soft);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand { padding: 4px 8px; margin-bottom: 18px; }
.sidebar .brand h1 { font-size: 14px; }

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
}
.nav-link {
  padding: 6px 10px;
  border-radius: 5px;
  color: var(--text-3);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  text-decoration: none;
  display: block;
  letter-spacing: -0.1px;
  transition: background .12s ease, color .12s ease;
}
.nav-link:hover { background: var(--surface-2); color: var(--text-2); }
.nav-link.active { background: var(--surface-2); color: var(--text); }

.sidebar-footer {
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.user-chip {
  padding: 7px 9px;
  background: var(--surface-2);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.user-chip .name { font-size: 12px; font-weight: 500; color: var(--text); }
.user-chip .role { font-size: 10.5px; color: var(--text-4); text-transform: capitalize; letter-spacing: 0.2px; }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 9px;
  color: var(--text-3);
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--text); border-color: var(--text-4); }
.theme-toggle svg { width: 13px; height: 13px; }

/* ============================================================
   Main — centered, narrow column
   ============================================================ */
.main {
  width: 100%;
  max-width: none;
  padding: 28px 36px;
  min-width: 0;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}
.view-header h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.4px;
}
.header-actions { display: flex; gap: 6px; align-items: center; }

/* ============================================================
   Stats — slim, restrained
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.stat-label {
  color: var(--text-3);
  font-size: 11px;
  font-weight: 500;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.stat-value {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  line-height: 1.1;
}

/* ============================================================
   Panels & tables
   ============================================================ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.panel-head h3 {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.data-table thead th {
  text-align: left;
  padding: 7px 10px;
  color: var(--text-4);
  font-weight: 500;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-soft);
}
.data-table tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
  color: var(--text-2);
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--surface-2); }
.data-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.data-table .empty {
  text-align: center;
  padding: 36px 14px;
  color: var(--text-4);
  font-size: 12px;
}
.data-table .actions {
  text-align: right;
  white-space: nowrap;
  width: 1%;
}
.data-table .what {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.data-table .what .primary {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.data-table .what .secondary {
  color: var(--text-4);
  font-size: 11.5px;
}

/* ============================================================
   Pills
   ============================================================ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 500;
  background: var(--surface-2);
  color: var(--text-2);
  letter-spacing: 0.1px;
}
.pill.income { background: var(--success-bg); color: var(--success); }
.pill.expense { background: var(--danger-bg); color: var(--danger); }
.pill.success { background: var(--success-bg); color: var(--success); }
.pill.muted { background: var(--surface-2); color: var(--text-4); }

.cat-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 7px;
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid var(--border);
  vertical-align: middle;
}

.amount-pos { color: var(--success); font-variant-numeric: tabular-nums; }
.amount-neg { color: var(--danger); font-variant-numeric: tabular-nums; }
.muted { color: var(--text-4); }

/* ============================================================
   Filters
   ============================================================ */
.filters {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

/* ============================================================
   Chart-type segmented toggle (sits in panel-head)
   ============================================================ */
.chart-toggle {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 2px;
  gap: 1px;
}
.chart-toggle button {
  background: transparent;
  border: 0;
  padding: 3px 9px;
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-3);
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: -0.1px;
  transition: background .12s ease, color .12s ease;
}
.chart-toggle button:hover { color: var(--text-2); }
.chart-toggle button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

/* ============================================================
   Settings tabs
   ============================================================ */
.settings-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-soft);
}
.settings-tab {
  padding: 8px 12px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-3);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color .12s ease, border-color .12s ease;
}
.settings-tab:hover { color: var(--text); }
.settings-tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ============================================================
   Modal
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 13, 24, 0.55);
  backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 11px;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.modal-head h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text);
}
.modal-body { padding: 18px; }

.form-grid { display: flex; flex-direction: column; gap: 11px; }
.form-grid .row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: -0.1px;
}
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}

/* Type toggle */
.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
}
.type-toggle button {
  background: transparent;
  border: 0;
  padding: 5px 10px;
  border-radius: 5px;
  color: var(--text-3);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}
.type-toggle button.active.expense { background: var(--danger-bg); color: var(--danger); }
.type-toggle button.active.income { background: var(--success-bg); color: var(--success); }

.more-toggle {
  background: transparent;
  border: 0;
  color: var(--brand);
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 3px 0;
  text-align: left;
}
.more-toggle:hover { color: var(--brand-3); }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 9px 13px;
  border-radius: 7px;
  box-shadow: var(--shadow-lg);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  z-index: 200;
  animation: slideUp .15s ease-out;
}
.toast.success { border-left: 2px solid var(--success); }
.toast.error { border-left: 2px solid var(--danger); }
@keyframes slideUp {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ============================================================
   Owner-only
   ============================================================ */
.app:not(.is-owner) .owner-only { display: none !important; }

/* ============================================================
   Scrollbars (subtle)
   ============================================================ */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--surface-3);
  border-radius: 999px;
  border: 2px solid var(--bg);
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-4); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px;
  }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; flex: 1 0 100%; }
  .sidebar-footer { flex-direction: row; padding-top: 0; border-top: 0; }
  .stat-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .main { padding: 16px; }
}