/* ===== RESET & ROOT ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-dim: #8B6F32;
  --bg: #0D1117;
  --bg2: #161B22;
  --bg3: #1C2330;
  --bg4: #21293A;
  --border: #2D3748;
  --border2: #3D4F6A;
  --text: #E8EDF5;
  --text2: #8899BB;
  --text3: #556080;
  --green: #3FB68B;
  --red: #E05C6E;
  --blue: #4A9EFF;
  --purple: #9F7AEA;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --radius: 14px;
  --radius-sm: 8px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
}

/* ===== LAYOUT SHELL ===== */
.shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: #0D1117;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
}

.nav {
  padding: 16px 10px;
  flex: 1;
}

.nav-section {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--text3);
  text-transform: uppercase;
  padding: 0 10px;
  margin: 16px 0 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text2);
  font-size: 13.5px;
  font-family: var(--font-body);
  transition: all .15s;
  margin-bottom: 2px;
  border: 1px solid transparent;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--bg3);
  color: var(--text);
}

.nav-item.active {
  background: rgba(201, 168, 76, .1);
  color: var(--gold);
  border-color: rgba(201, 168, 76, .2);
}

.nav-icon {
  width: 16px;
  height: 16px;
  opacity: .7;
  flex-shrink: 0;
}

.nav-item.active .nav-icon { opacity: 1; }

/* Role Section */
.role-section {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.role-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
  font-weight: 500;
}

.role-select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 32px 8px 10px;
  font-size: 13px;
  font-family: var(--font-body);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238899BB' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.role-select:focus { outline: none; border-color: var(--gold); }

.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
}

.role-badge.admin {
  background: rgba(159, 122, 234, .15);
  color: var(--purple);
  border: 1px solid rgba(159, 122, 234, .3);
}

.role-badge.viewer {
  background: rgba(74, 158, 255, .15);
  color: var(--blue);
  border: 1px solid rgba(74, 158, 255, .3);
}

/* ===== MAIN AREA ===== */
.main {
  background: var(--bg);
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.topbar {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  gap: 12px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
}

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

.period-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 7px;
  padding: 6px 13px;
  font-size: 12.5px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all .15s;
}

.period-btn:hover { background: var(--bg3); color: var(--text); }
.period-btn.active { border-color: var(--gold); color: var(--gold); background: var(--bg3); }

.add-btn {
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  border: none;
  color: #0D1117;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-body);
  transition: opacity .15s;
  display: none;
  align-items: center;
  gap: 5px;
}

.add-btn:hover { opacity: .85; }
.add-btn.show { display: inline-flex; }

.export-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 7px;
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all .15s;
  display: none;
  align-items: center;
  gap: 5px;
}

.export-btn:hover { border-color: var(--border2); color: var(--text); }
.export-btn.show { display: inline-flex; }

/* ===== CONTENT ===== */
.content { padding: 24px 28px; }

/* Pages */
.page { display: none; }
.page.active { display: block; }

/* ===== SUMMARY CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.summary-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s;
}

.summary-card:hover { border-color: var(--border2); }

.summary-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.summary-card.balance::before { background: linear-gradient(90deg, var(--gold), transparent); }
.summary-card.income::before  { background: linear-gradient(90deg, var(--green), transparent); }
.summary-card.expense::before { background: linear-gradient(90deg, var(--red), transparent); }
.summary-card.savings::before { background: linear-gradient(90deg, var(--blue), transparent); }

.card-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}

.card-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.card-value.balance { color: var(--gold); }
.card-value.income  { color: var(--green); }
.card-value.expense { color: var(--red); }
.card-value.savings { color: var(--blue); }

.card-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-family: var(--font-mono);
}

.card-change.up   { color: var(--green); }
.card-change.down { color: var(--red); }

/* ===== CHART CARDS ===== */
.charts-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.charts-row.two-col { grid-template-columns: 1fr 1fr; }

.chart-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: .3px;
  margin-bottom: 3px;
}

.chart-sub {
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 14px;
}

.chart-wrap {
  position: relative;
  width: 100%;
}

.donut-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 11.5px;
  color: var(--text2);
}

.chart-legend {
  display: flex;
  gap: 14px;
  font-size: 11.5px;
  color: var(--text2);
  margin-bottom: 12px;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

/* ===== SPENDING BARS ===== */
.spending-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.spending-label {
  font-size: 12px;
  color: var(--text2);
  width: 90px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spending-bar-wrap {
  flex: 1;
  background: var(--bg3);
  border-radius: 4px;
  height: 6px;
  overflow: hidden;
}

.spending-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .6s ease;
}

.spending-pct {
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--text3);
  width: 60px;
  text-align: right;
  flex-shrink: 0;
}

/* ===== TRANSACTIONS ===== */
.txn-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
}

.txn-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}

.txn-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-size: 12.5px;
  font-family: var(--font-body);
  flex: 1;
  min-width: 150px;
}

.txn-input:focus { outline: none; border-color: var(--gold); }

.filter-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 28px 8px 10px;
  color: var(--text2);
  font-size: 12.5px;
  font-family: var(--font-body);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238899BB' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.filter-select:focus { outline: none; border-color: var(--gold); }

.txn-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.txn-table th {
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  padding: 6px 0;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  user-select: none;
}

.txn-table th:last-child,
.txn-table td:last-child { text-align: right; }

.txn-table td {
  padding: 11px 0;
  border-bottom: 1px solid rgba(45, 55, 72, .5);
  font-size: 13px;
  vertical-align: middle;
}

.txn-table tr:last-child td { border-bottom: none; }
.txn-table tr:hover td { background: rgba(255,255,255,.02); }

.cat-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
}

.type-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 500;
}

.type-badge.income  { background: rgba(63,182,139,.12); color: var(--green); }
.type-badge.expense { background: rgba(224,92,110,.12); color: var(--red); }

.amount-pos {
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 13px;
}

.amount-neg {
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 13px;
}

.delete-btn {
  cursor: pointer;
  color: var(--text3);
  font-size: 11px;
  margin-left: 5px;
  opacity: .5;
  border: none;
  background: none;
  vertical-align: middle;
  transition: opacity .15s;
}

.delete-btn:hover { opacity: 1; color: var(--red); }

.txn-count {
  font-size: 11.5px;
  color: var(--text3);
  margin-top: 12px;
  text-align: right;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text3);
  font-size: 13px;
}

/* ===== INSIGHTS ===== */
.lower-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.insights-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

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

.section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: .3px;
}

.insight-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(45,55,72,.5);
}

.insight-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.insight-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.insight-label {
  font-size: 11.5px;
  color: var(--text3);
  margin-bottom: 2px;
}

.insight-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.insight-sub {
  font-size: 11.5px;
  color: var(--text3);
  margin-top: 1px;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 100;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 28px;
  width: 440px;
  max-width: 95vw;
  animation: modalIn .2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--text);
}

.form-row { margin-bottom: 14px; }

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

.form-label {
  font-size: 10.5px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 6px;
  display: block;
}

.form-input,
.form-select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-size: 13.5px;
  font-family: var(--font-body);
  transition: border-color .15s;
}

.form-input:focus,
.form-select:focus { outline: none; border-color: var(--gold); }

.form-select {
  cursor: pointer;
  appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238899BB' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

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

.btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all .15s;
}

.btn-cancel:hover { border-color: var(--border2); color: var(--text); }

.btn-save {
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  border: none;
  color: #0D1117;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-body);
  transition: opacity .15s;
}

.btn-save:hover { opacity: .85; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-row,
  .charts-row.two-col,
  .lower-row { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 14px 16px; }
}

@media (max-width: 500px) {
  .cards-grid { grid-template-columns: 1fr; }
  .form-grid  { grid-template-columns: 1fr; }
  .card-value { font-size: 20px; }
}