:root {
  --ink: #1b2a23;
  --paper: #f6f3ec;
  --paper-line: #d9d2c2;
  --accent-profit: #1f7a4d;
  --accent-loss: #b3422f;
  --accent-transaction-cost: #b08642;
  --accent-deposit: #2a5d8f;
  --accent-withdraw: #6b4a8a;
  --card-bg: #ffffff;
}

* {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 38px,
      var(--paper-line) 39px
    );
  color: var(--ink);
  min-height: 100vh;
  padding-bottom: 90px;
}

/* Header / Brand */
.app-header {
  background-color: var(--ink);
  color: var(--paper);
  padding: 1rem 1rem 1.25rem;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.app-header h1 {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0;
}

.app-header .ledger-tag {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #c8b98f;
  opacity: 0.85;
}

/* Period summary card */
.period-summary-card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 2px 14px rgba(27, 42, 35, 0.1);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 1rem;
  margin-top: -1.25rem;
}

.period-summary-card .period-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #8b8378;
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-align: center;
}

.period-stat .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #8b8378;
  margin-bottom: 0.15rem;
}

.period-stat .value {
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.period-bottom {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--paper-line);
  text-align: center;
}

.period-bottom .period-stat .value {
  font-size: 1.05rem;
  font-weight: 700;
}

.period-bottom .value-net {
  font-weight: 800;
}

.value-net.positive { color: var(--accent-profit); }
.value-net.negative { color: var(--accent-loss); }

/* Quick filter pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-pill {
  border: 1px solid var(--paper-line);
  background: var(--card-bg);
  color: var(--ink);
  border-radius: 20px;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  border-color: var(--ink);
}

.filter-pill.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* Summary cards (legacy small cards - kept for chip colors) */
.summary-row {
  margin-top: -1.25rem;
}

.summary-card {
  background: var(--card-bg);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(27, 42, 35, 0.08);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 0.85rem 0.75rem;
  text-align: center;
}

.summary-card .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #8b8378;
  margin-bottom: 0.2rem;
}

.summary-card .value {
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.value-profit { color: var(--accent-profit); }
.value-loss { color: var(--accent-loss); }
.value-transaction-cost { color: var(--accent-transaction-cost); }
.value-deposit { color: var(--accent-deposit); }
.value-withdraw { color: var(--accent-withdraw); }
.value-net.positive { color: var(--accent-profit); }
.value-net.negative { color: var(--accent-loss); }

/* Section titles */
.section-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #8b8378;
  margin: 1.4rem 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--paper-line);
}

/* Day groups */
.day-card {
  background: var(--card-bg);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(27, 42, 35, 0.06);
  margin-bottom: 0.9rem;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.04);
}

.day-card-header {
  padding: 0.65rem 1rem;
  background: linear-gradient(135deg, var(--ink), #2e4338);
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-card-header .day-date {
  font-weight: 700;
  font-size: 0.92rem;
}

.day-card-header .day-net {
  font-size: 0.9rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.entry-row {
  padding: 0.65rem 1rem;
  border-bottom: 1px dashed var(--paper-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-size: 0.85rem;
  align-items: center;
}

.entry-row:last-child {
  border-bottom: none;
}

.entry-row .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.entry-row .chip .chip-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: #a39b8c;
}

.entry-row .note {
  font-size: 0.78rem;
  color: #8b8378;
  font-style: italic;
  flex-basis: 100%;
}

.entry-row .chip .chip-sub {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.85;
}

.chip-open {
  color: #2a5d8f;
  font-size: 0.75rem;
  font-weight: 700;
}

.chip-open i {
  font-size: 0.45rem;
  vertical-align: middle;
  margin-right: 0.2rem;
}

.btn-close-trade {
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  letter-spacing: 0.02em;
}

.btn-close-trade:hover {
  background: #2e4338;
  color: var(--paper);
}

.form-section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #8b8378;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.readonly-block {
  background: rgba(27, 42, 35, 0.05);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
}

.readonly-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #8b8378;
  margin-bottom: 0.35rem;
}

.readonly-values {
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

.close-type-toggle {
  display: flex;
  gap: 0.4rem;
}

.close-type-btn {
  flex: 1;
  border: 1px solid var(--paper-line);
  background: var(--card-bg);
  border-radius: 10px;
  padding: 0.45rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.close-type-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.outcome-preview {
  background: rgba(27, 42, 35, 0.04);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
}

.outcome-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  padding: 0.2rem 0;
  color: #8b8378;
}

.outcome-row strong {
  font-variant-numeric: tabular-nums;
}

.outcome-row-final {
  margin-top: 0.35rem;
  padding-top: 0.45rem;
  border-top: 1px dashed var(--paper-line);
  font-weight: 600;
  color: var(--ink);
}

.period-net-final .value {
  font-size: 1.5rem;
}

.form-hint {
  font-size: 0.78rem;
  color: #8b8378;
}

.btn-ink:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Floating add button */
.fab {
  position: fixed;
  bottom: 1.1rem;
  right: 1.1rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-size: 1.7rem;
  box-shadow: 0 6px 18px rgba(27, 42, 35, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1030;
}

.fab:active {
  transform: scale(0.96);
}

/* Form styling */
.modal-content {
  border-radius: 16px;
  border: none;
}

.modal-header {
  background: var(--ink);
  color: var(--paper);
  border-radius: 16px 16px 0 0;
}

.modal-header .btn-close {
  filter: invert(1);
}

.form-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #8b8378;
  font-weight: 600;
}

.transaction-cost-hint {
  font-size: 0.78rem;
  color: var(--accent-transaction-cost);
  background: rgba(176, 134, 66, 0.08);
  border: 1px dashed rgba(176, 134, 66, 0.4);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-top: 0.4rem;
}

.btn-ink {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.btn-ink:hover {
  background-color: #2e4338;
  border-color: #2e4338;
  color: var(--paper);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: #a39b8c;
}

.empty-state .icon {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
  opacity: 0.6;
}

/* Filter bar */
.filter-bar {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 0.7rem;
  box-shadow: 0 2px 10px rgba(27, 42, 35, 0.06);
  border: 1px solid rgba(0,0,0,0.04);
}

.filter-bar .form-control,
.filter-bar .form-select {
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .container-app {
    max-width: 720px;
  }
}