/* ============================================================
   The Horizon — Finance Tracker Theme
   ============================================================ */

/* ---- Custom Properties ---- */

:root {
  --bg:         #12172B;
  --card:       #1B2242;
  --accent:     #F0A868;
  --expense:    #E8604C;
  --income:     #7FCBA4;
  --text:       #F4F1EA;
  --muted:      #9AA0B4;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Manrope", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --radius:     10px;
  --transition: 0.2s ease;
}

/* ---- Reset ---- */

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

/* ---- Base ---- */

body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* ---- Hero / Header ---- */

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.25rem;
}

#engine-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

#current-balance {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ---- Page Nav ---- */

.page-nav {
  display: inline-flex;
  gap: 1rem;
  margin-top: 0.75rem;
}

.page-nav a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition),
    background var(--transition);
}

.page-nav a:hover {
  color: var(--text);
  border-color: rgba(244, 241, 234, 0.15);
  background: rgba(244, 241, 234, 0.03);
}

.page-nav a.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(240, 168, 104, 0.08);
}

/* ---- Horizon Line ---- */

.horizon-line {
  height: 3px;
  border: none;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bg) 0%, var(--accent) 100%);
  margin: 0 auto 2rem;
  width: 100%;
  opacity: 0.85;
}

/* ---- Cards ---- */

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 1rem;
}

/* ---- Projection Tool ---- */

.projection-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.projection-controls .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 140px;
}

.projection-controls .btn-group {
  display: flex;
  gap: 0.5rem;
}

#projected-balance-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.4em;
  margin-bottom: 0.75rem;
}

#transfer-form-error {
  color: var(--expense);
  font-size: 0.8rem;
}

#ai-key-error {
  color: var(--expense);
  font-size: 0.8rem;
}

#networth-error,
#budget-form-error,
#account-form-error {
  color: var(--expense);
  font-size: 0.8rem;
}

#account-balance-hint {
  color: var(--muted);
  font-size: 0.8rem;
}

#category-error {
  color: var(--expense);
  font-size: 0.8rem;
}

#balance-chart {
  max-height: 260px;
  margin-top: 0.5rem;
}

/* ---- Form ---- */

form#transaction-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

form#transaction-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

form#transfer-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

form#transfer-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

form#transaction-form .form-field.full-width {
  grid-column: 1 / -1;
}

label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input,
select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.5rem 0.65rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: 6px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(240, 168, 104, 0.25);
}

/* select arrow colour fix for dark bg */
select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239AA0B4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2rem;
}

/* date input icon colour fix */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
}

/* ---- Buttons ---- */

.btn-primary {
  grid-column: 1 / -1;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: #e59b55;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(244, 241, 234, 0.15);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(240, 168, 104, 0.08);
}

#cancel-edit-btn {
  grid-column: 1 / -1;
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

#cancel-edit-btn:hover {
  border-color: var(--muted);
  color: var(--text);
}

#cancel-transfer-edit-btn {
  grid-column: 1 / -1;
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

#cancel-transfer-edit-btn:hover {
  border-color: var(--muted);
  color: var(--text);
}

/* ---- Transaction List ---- */

#transaction-list {
  display: flex;
  flex-direction: column;
}

.transaction-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.06);
  transition: background var(--transition);
}

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

.transaction-row:hover {
  background: rgba(244, 241, 234, 0.03);
  margin: 0 -0.75rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-radius: 6px;
}

.transaction-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.tx-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.tx-category {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tx-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.tx-amount {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  min-width: 5.5rem;
  text-align: right;
}

.tx-amount.income {
  color: var(--income);
}

.tx-amount.expense {
  color: var(--expense);
}

.transaction-actions {
  display: flex;
  gap: 0.35rem;
}

.account-actions {
  display: flex;
  gap: 0.35rem;
}

.btn-edit,
.btn-delete {
  padding: 0.2rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(244, 241, 234, 0.1);
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition),
    background var(--transition);
}

.btn-edit:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(240, 168, 104, 0.08);
}

.btn-delete:hover {
  color: var(--expense);
  border-color: var(--expense);
  background: rgba(232, 96, 76, 0.08);
}

/* ---- Autofill ---- */

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 1000px 1000px var(--bg) inset;
  transition: background-color 5000s ease-in-out 0s;
}

/* ---- Account List ---- */

.account-row {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.06);
}

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

.account-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.acct-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.acct-balance {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Transaction account label ---- */

.tx-account {
  font-size: 0.78rem;
  color: var(--muted);
}

/* ---- Transfer List ---- */

#transfer-list {
  display: flex;
  flex-direction: column;
}

.transfer-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.06);
  transition: background var(--transition);
}

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

.transfer-row:hover {
  background: rgba(244, 241, 234, 0.03);
  margin: 0 -0.75rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-radius: 6px;
}

.transfer-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.transfer-accounts {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.transfer-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.transfer-amount {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  min-width: 5.5rem;
  text-align: right;
  color: var(--accent);
}

.transfer-actions {
  display: flex;
  gap: 0.35rem;
}

/* ---- Recurring Suggestions ---- */

.suggestion-banner {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.suggestion-banner:last-child {
  margin-bottom: 0;
}

.suggestion-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.suggestion-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.suggestion-meta {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.suggestion-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.suggestion-empty {
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* ---- AI Settings ---- */

.key-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.key-input-row input {
  flex: 1;
}

/* ---- Modal ---- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-box {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.modal-box p {
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.btn-delete-confirm {
  background: var(--expense);
  color: var(--text);
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-delete-confirm:hover {
  background: #c9503e;
}

/* ---- Focus visible (keyboard) ---- */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(240, 168, 104, 0.25);
}

/* ---- Balance Animation ---- */

@keyframes balance-update {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#current-balance.balance-updated {
  animation: balance-update 0.4s ease;
}

/* ---- Budget List ---- */

#budget-list {
  display: flex;
  flex-direction: column;
}

.budget-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.06);
}

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

.budget-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.budget-category {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.budget-range {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.budget-amount {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

.budget-row.over-budget .budget-amount {
  color: var(--expense);
}

.budget-bar-track {
  height: 8px;
  border-radius: var(--radius);
  background: var(--bg);
}

.budget-bar-fill {
  height: 8px;
  border-radius: var(--radius);
  background: var(--accent);
  transition: width var(--transition);
}

.budget-bar-fill.over-budget {
  background: var(--expense);
}

/* ---- Reduced Motion ---- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
  }
}

/* ---- Responsive ---- */

@media (max-width: 480px) {
  .app-shell {
    padding: 1.5rem 1rem 3rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  #current-balance {
    font-size: 1.3rem;
  }

  form#transaction-form {
    grid-template-columns: 1fr;
  }

  form#transfer-form {
    grid-template-columns: 1fr;
  }

  .projection-controls {
    flex-direction: column;
  }

  .transaction-row {
    flex-wrap: wrap;
  }

  .tx-amount {
    min-width: auto;
  }

  .suggestion-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}