:root {
  --bg: #070c17;
  --panel: #0e1526;
  --panel-soft: #131c30;
  --accent: #5ef0ff;
  --accent-strong: #5dd6ff;
  --danger: #ff7b8a;
  --success: #6ee7a4;
  --text: #eef2ff;
  --muted: #8b9bb5;
  --border: rgba(255, 255, 255, 0.08);
  --radius-lg: 18px;
  --radius: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(94, 240, 255, 0.08), rgba(7, 12, 23, 0.9)),
    linear-gradient(160deg, #050810, #0c1529 45%, #070c17);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 5.5rem;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, rgba(7, 12, 23, 0.95), rgba(7, 12, 23, 0.8));
  backdrop-filter: blur(12px);
  padding: 1rem 0.25rem 0.75rem;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #7cf5ff, #6c7bff);
  display: grid;
  place-items: center;
  color: #061024;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.subtitle {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ghost-btn {
  background: var(--panel-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  transition: 0.2s ease;
}

.ghost-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.alert {
  margin-top: 0.65rem;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 0, 0, 0.2);
  background: rgba(255, 0, 0, 0.08);
  color: #ffcdd2;
  font-size: 0.9rem;
}

main {
  display: grid;
  gap: 1rem;
  padding-bottom: 2rem;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card.accent {
  background: linear-gradient(145deg, rgba(94, 240, 255, 0.18), rgba(108, 123, 255, 0.12)), var(--panel);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.card h2 {
  margin: 0;
}

.date-chip, .pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
}

.pill.soft {
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
  margin: 0.5rem 0 0.25rem;
}

.stat {
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.stat p {
  margin: 0 0 0.1rem;
  color: var(--muted);
}

.stat strong {
  font-size: 1.1rem;
}

.chart-placeholder {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 0.75rem;
}

.progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(135deg, #7cf5ff, #6c7bff);
  width: 0;
  transition: width 0.35s ease;
}

.chart-block {
  display: grid;
  gap: 0.35rem;
  align-items: center;
}

.chart-block canvas {
  max-width: 280px;
  width: 100%;
  justify-self: start;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
}

.legend {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.list {
  display: grid;
  gap: 0.65rem;
}

.list-item {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem;
  align-items: center;
}

.list-item .meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.title {
  font-weight: 700;
  font-size: 1rem;
}

.badge {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
}

.amount {
  font-weight: 700;
}

.amount.expense { color: var(--danger); }
.amount.income { color: var(--success); }
.amount.fixed { color: #f59e0b; font-weight: 700; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filters input {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  color: var(--text);
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.65rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.field span { color: var(--muted); }

input, select, textarea {
  width: 100%;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  color: var(--text);
  font-size: 1rem;
}

textarea { resize: vertical; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(94, 240, 255, 0.2);
}

.input-with-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.quick-buttons {
  display: inline-flex;
  gap: 0.3rem;
}

.quick-buttons button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.type-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.type-btn {
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
}

.type-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(94, 240, 255, 0.15);
  color: var(--accent);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.primary-btn {
  background: linear-gradient(135deg, #7cf5ff, #6c7bff);
  color: #071024;
  border: none;
  border-radius: 14px;
  padding: 0.7rem 1.2rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.primary-btn.is-loading,
.primary-btn.loading {
  position: relative;
  opacity: 0.8;
}

.primary-btn.is-loading::after,
.primary-btn.loading::after {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid rgba(7, 16, 36, 0.4);
  border-top-color: #071024;
  animation: spin 0.8s linear infinite;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}

.favorites {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.fav-btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 0.35rem 0.6rem;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}

.form-error {
  background: rgba(255, 123, 138, 0.1);
  border: 1px solid rgba(255, 123, 138, 0.25);
  color: var(--danger);
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
}

.history-list {
  display: grid;
  gap: 0.6rem;
}

.history-card {
  padding: 0.7rem;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.history-card strong { display: block; margin-top: 0.35rem; }

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(7, 12, 23, 0.95);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.2rem;
  padding: env(safe-area-inset-bottom, 0px) 0.5rem 0.5rem;
  box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.35);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 0.6rem 0.4rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--border);
}

.fab {
  position: fixed;
  bottom: 4.4rem;
  right: 1rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #ff9fd2, #ff7b8a);
  color: #0d0b1a;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: var(--shadow);
  cursor: pointer;
}

#toast-container {
  position: fixed;
  bottom: 6rem;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  gap: 0.5rem;
  z-index: 30;
}

.toast {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  animation: fade-in 0.2s ease, slide-up 0.2s ease;
}

.list-item.fade-in { animation: fade-in 0.25s ease, slide-up 0.25s ease; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up { from { transform: translateY(6px); } to { transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 99;
}

.auth-card {
  width: min(360px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.auth-card h3 {
  margin: 0 0 0.35rem;
}

@media (max-width: 640px) {
  .app-shell { padding: 0 0.9rem 5.5rem; }
  .card { padding: 0.9rem; }
  .list-item { grid-template-columns: 1fr; }
}