/* ============================================================
   css/style.css  –  Expense & Budget Visualizer
   Author : Senior Frontend Developer
   Theme  : CSS custom-properties for light / dark switching
   ============================================================ */

/* ── 1. DESIGN TOKENS ──────────────────────────────────────── */
:root {
  /* Palette – light */
  --clr-bg:          #DCD6F7;
  --clr-surface:     #F4EEFF;
  --clr-surface-2:   #A6B1E1;
  --clr-border:      #A6B1E1;
  --clr-text:        #2D3047;
  --clr-text-muted:  #5A5E82;
  --clr-accent:      #424874;
  --clr-accent-dark: #3a55d4;
  --clr-accent-glow: rgba(66, 72, 116, 0.2);
  --clr-income:      #10b981;
  --clr-expense:     #ef4444;
  --clr-danger:      #ef4444;
  --clr-danger-dark: #dc2626;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(79,110,247,.09), 0 1px 4px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 40px rgba(79,110,247,.13), 0 2px 8px rgba(0,0,0,.06);

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Typography */
  --font-body:   'Inter', system-ui, sans-serif;
  --fs-xs:   .75rem;
  --fs-sm:   .875rem;
  --fs-md:   1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  2rem;
  --fs-4xl:  2.75rem;

  /* Transitions */
  --transition-base: 200ms ease;
  --transition-slow: 360ms cubic-bezier(.4,0,.2,1);
}

/* Dark theme overrides */
[data-theme="dark"] {
  --clr-bg:          #1A1B26;
  --clr-surface:     #24283B;
  --clr-surface-2:   #414868;
  --clr-border:      #2d3655;
  --clr-text:        #C0CAF5;
  --clr-text-muted:  #9AA5CE;
  --clr-accent:      #A6B1E1;
  --clr-accent-dark: #5570f0;
  --clr-accent-glow: rgba(166, 177, 225, 0.15);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.5);
}

/* ── 2. RESET & BASE ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.6;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  transition: background var(--transition-slow), color var(--transition-slow);
}

img, svg, canvas { display: block; max-width: 100%; }

ul { list-style: none; }

button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── 3. LAYOUT ───────────────────────────────────────────── */
.container {
  width: min(1120px, 100%);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.app-main {
  padding-block: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.grid-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ── 4. CARD ─────────────────────────────────────────────── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
}

/* ── 5. HEADER ───────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.brand-icon { font-size: 1.6rem; }

.brand-name {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--clr-text);
}

.brand-accent { color: var(--clr-accent); }

/* Theme toggle */
.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-icon:hover {
  background: var(--clr-accent-glow);
  transform: scale(1.08);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

/* Show correct icon per theme */
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: none; }

/* ── 6. BALANCE CARD ─────────────────────────────────────── */
.balance-card {
  text-align: center;
  background: linear-gradient(135deg, var(--clr-accent) 0%, #7c5bf7 100%);
  border-color: transparent;
  color: #fff;
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
}

/* Decorative blobs */
.balance-card::before,
.balance-card::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: .15;
  pointer-events: none;
}
.balance-card::before {
  width: 240px; height: 240px;
  background: #fff;
  top: -80px; right: -60px;
}
.balance-card::after {
  width: 160px; height: 160px;
  background: #fff;
  bottom: -60px; left: -40px;
}

.balance-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .12em;
  opacity: .85;
  margin-bottom: .35rem;
}

.balance-amount {
  font-size: clamp(2rem, 5vw, var(--fs-4xl));
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: 1.5rem;
  transition: color var(--transition-base);
}

.balance-amount.negative { color: #fca5a5; }

.balance-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: .5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: .6rem;
}

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

.stat-label {
  display: block;
  font-size: var(--fs-xs);
  opacity: .75;
  font-weight: 500;
  letter-spacing: .04em;
}

.stat-value {
  display: block;
  font-size: var(--fs-lg);
  font-weight: 700;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.35);
}

/* ── 7. SECTION TITLES ──────────────────────────────────── */
.section-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  color: var(--clr-text);
}
.section-icon { font-size: 1rem; }

/* ── 8. FORM ─────────────────────────────────────────────── */
.form-section { }

.form-group {
  margin-bottom: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: .01em;
}

.form-input {
  width: 100%;
  padding: .65rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--clr-border);
  background: var(--clr-surface-2);
  color: var(--clr-text);
  font-family: inherit;
  font-size: var(--fs-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-slow);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
  background: var(--clr-surface);
}

.form-input.error { border-color: var(--clr-danger); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.input-group {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.input-prefix {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text-muted);
  white-space: nowrap;
  padding: .65rem .75rem;
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  border-right: none;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.with-prefix {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  flex: 1;
}

.field-error {
  font-size: var(--fs-xs);
  color: var(--clr-danger);
  font-weight: 500;
  min-height: 1em;
  display: block;
}

/* ── 9. TYPE TOGGLE ─────────────────────────────────────── */
.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1.5px solid var(--clr-border);
  background: var(--clr-surface-2);
}

.type-btn {
  padding: .6rem 1rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text-muted);
  transition: background var(--transition-base), color var(--transition-base);
  border-radius: 0;
}

.type-btn:hover { background: var(--clr-accent-glow); color: var(--clr-accent); }

.type-btn.active[data-type="expense"] {
  background: var(--clr-expense);
  color: #fff;
}

.type-btn.active[data-type="income"] {
  background: var(--clr-income);
  color: #fff;
}

/* ── 10. CUSTOM CATEGORY ─────────────────────────────────── */
.custom-category-wrapper { margin-bottom: 1rem; }

.btn-link {
  font-size: var(--fs-sm);
  color: var(--clr-accent);
  font-weight: 600;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-base);
}
.btn-link:hover { opacity: .75; }

.custom-cat-area {
  margin-top: .6rem;
  animation: slideDown var(--transition-base) ease;
}

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

.btn-small {
  padding: .65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition-base), transform var(--transition-base);
}

/* ── 11. PRIMARY BUTTON ──────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), #7c5bf7);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: .02em;
  padding: .75rem 1.5rem;
  box-shadow: 0 4px 14px rgba(79,110,247,.35);
  transition: transform var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79,110,247,.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-full { width: 100%; margin-top: .5rem; }

/* ── 12. CHART SECTION ───────────────────────────────────── */
.chart-section {
  display: flex;
  flex-direction: column;
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  aspect-ratio: 1;
}

#expense-chart { width: 100% !important; height: 100% !important; }

.chart-empty {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  padding: 1rem;
  pointer-events: none;
}

.chart-empty.visible {
  display: flex;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  margin-top: 1.25rem;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-text);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── 13. TRANSACTIONS SECTION ────────────────────────────── */
.transactions-section { }

.transactions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.transactions-header .section-title { margin-bottom: 0; }

.sort-controls {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.sort-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-muted);
  white-space: nowrap;
}

.sort-select {
  width: auto;
  font-size: var(--fs-xs);
  padding: .4rem .9rem .4rem .6rem;
}

/* Search */
.search-bar-wrapper {
  position: relative;
  margin-bottom: 1.1rem;
}

.search-icon {
  position: absolute;
  left: .85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: .9rem;
  pointer-events: none;
}

.search-input { padding-left: 2.4rem; }

/* Transaction List */
.transaction-list {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border) transparent;
  padding-right: .2rem;
}

.transaction-list::-webkit-scrollbar { width: 5px; }
.transaction-list::-webkit-scrollbar-track { background: transparent; }
.transaction-list::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 99px; }

/* Transaction Item */
.transaction-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .875rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-slow);
  animation: itemIn 250ms ease;
  min-width: 0;
}

@keyframes itemIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.transaction-item:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
}

.transaction-item.removing {
  animation: itemOut 280ms ease forwards;
}

@keyframes itemOut {
  to { opacity: 0; transform: translateX(20px); max-height: 0; padding: 0; margin: 0; }
}

/* Kiri: emoji + info — ambil semua sisa ruang */
.txn-left {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex: 1 1 0;
  min-width: 0;
}

.txn-emoji {
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--clr-accent-glow);
  border-radius: var(--radius-sm);
}

.txn-info {
  flex: 1 1 0;
  min-width: 0;
}

.txn-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.txn-meta {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin-top: .2rem;
  min-width: 0;
}

.txn-category {
  font-size: var(--fs-xs);
  font-weight: 500;
  padding: .1rem .5rem;
  border-radius: 99px;
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.txn-date {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Kanan: amount + delete — tidak boleh menyusut */
.txn-right {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

/* Kategori inline di .txn-right — hanya tampil di mobile */
.txn-category--inline {
  display: none;
}

.txn-amount {
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
}

.txn-amount.income  { color: var(--clr-income); }
.txn-amount.expense { color: var(--clr-expense); }

/* Delete Button */
.btn-delete {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1.5px solid var(--clr-border);
  color: var(--clr-text-muted);
  display: grid;
  place-items: center;
  font-size: .85rem;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.btn-delete:hover {
  background: var(--clr-danger);
  color: #fff;
  border-color: var(--clr-danger);
  transform: scale(1.1);
}

/* ── 14. EMPTY STATE ─────────────────────────────────────── */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  padding: 2.5rem 1rem;
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
}

.empty-state.visible {
  display: flex;
}

.empty-icon { font-size: 2.5rem; }

/* ── 15. FOOTER ──────────────────────────────────────────── */
.app-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
  margin-top: 1rem;
}

/* ── 16. TOAST NOTIFICATION ─────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 9999;
}

.toast {
  padding: .75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  box-shadow: var(--shadow-lg);
  animation: toastIn 300ms ease;
  max-width: 300px;
}

.toast.success { background: var(--clr-income); }
.toast.error   { background: var(--clr-danger); }
.toast.info    { background: var(--clr-accent); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(16px) scale(.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(8px) scale(.95); }
}

/* ── 17. RESPONSIVE ──────────────────────────────────────── */

/* Cegah horizontal scroll di semua ukuran layar */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

@media (max-width: 900px) {
  .grid-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  /* Base */
  html { font-size: 14px; } /* scale down semua rem-based font */
  .container { padding-inline: .75rem; }
  .card { padding: 1rem; border-radius: var(--radius-md); }
  .app-main { padding-block: 1.25rem; gap: 1rem; }

  /* Header — cegah brand wrap */
  .app-header .header-inner { height: 52px; }
  .brand-icon { font-size: 1.3rem; }
  .brand-name { font-size: var(--fs-md); white-space: nowrap; }
  .btn-icon { width: 36px; height: 36px; font-size: 1rem; }

  /* Balance card */
  .balance-card { padding: 1.5rem 1rem; }
  .balance-amount { font-size: 1.75rem; margin-bottom: 1rem; }
  .balance-stats { gap: .75rem; }
  .stat-value { font-size: var(--fs-md); }
  .stat-label { font-size: .65rem; }

  /* Section title */
  .section-title { font-size: var(--fs-md); margin-bottom: 1rem; }

  /* Transactions header */
  .transactions-header { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .sort-controls { width: 100%; }
  .sort-select { flex: 1; }

  /* Transaction item: layout 2 baris */
  .transaction-item {
    flex-direction: column;
    align-items: stretch;
    gap: .4rem;
    padding: .7rem .875rem;
  }

  .txn-left { gap: .5rem; }

  .txn-emoji {
    width: 28px;
    height: 28px;
    font-size: .9rem;
    flex-shrink: 0;
  }

  .txn-name { font-size: var(--fs-xs); }

  .txn-right {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: calc(28px + .5rem);
  }

  .txn-category--inline {
    display: inline-block;
    font-size: .65rem;
    font-weight: 500;
    padding: .1rem .45rem;
    border-radius: 99px;
    background: var(--clr-accent-glow);
    color: var(--clr-accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
    flex: 1;
  }

  .txn-meta { display: none; }

  .txn-amount { font-size: .7rem; font-weight: 700; }

  .btn-delete {
    width: 26px;
    height: 26px;
    font-size: .7rem;
  }

  /* Form */
  .form-input { font-size: var(--fs-xs); padding: .55rem .75rem; }
  .form-label { font-size: var(--fs-xs); }
  .btn-primary { font-size: var(--fs-xs); padding: .65rem 1rem; }
  .btn-small { padding: .55rem .75rem; font-size: var(--fs-xs); }
  .input-prefix { padding: .55rem .6rem; font-size: var(--fs-xs); }
}

@media (max-width: 380px) {
  html { font-size: 13px; }
  .balance-card { padding: 1.25rem .875rem; }
  .stat-divider { display: none; }
  .balance-stats { gap: .5rem; }
  .transaction-item { padding: .6rem .75rem; }
  .txn-right { padding-left: calc(26px + .45rem); }
}


/* ============================================================
   PREMIUM FINTECH UI ENHANCEMENTS
   Tambahan dekorasi & micro-interactions — tidak mengubah
   struktur layout yang sudah ada.
   ============================================================ */


/* --- 1. FLOATING BLOBS ANIMATION -------------------------
   Breathing effect pada pseudo-elements .balance-card.
   Lingkaran dekoratif membesar-mengecil + bergeser halus
   secara sangat lambat (8–10 detik) secara infinite.
   --------------------------------------------------------- */

@keyframes blobBreathePrimary {
  0%   { transform: scale(1)    translate(0px,  0px);  opacity: .15; }
  35%  { transform: scale(1.18) translate(-12px, 8px); opacity: .20; }
  65%  { transform: scale(1.08) translate(6px, -6px);  opacity: .13; }
  100% { transform: scale(1)    translate(0px,  0px);  opacity: .15; }
}

@keyframes blobBreatheSecondary {
  0%   { transform: scale(1)    translate(0px,   0px); opacity: .15; }
  40%  { transform: scale(1.22) translate(10px, -10px); opacity: .10; }
  70%  { transform: scale(.92)  translate(-5px,  6px); opacity: .20; }
  100% { transform: scale(1)    translate(0px,   0px); opacity: .15; }
}

.balance-card::before {
  animation: blobBreathePrimary 9s ease-in-out infinite;
  will-change: transform, opacity;
}

.balance-card::after {
  animation: blobBreatheSecondary 11s ease-in-out infinite;
  will-change: transform, opacity;
}


/* --- 2. CARD HOVER MICRO-INTERACTIONS --------------------
   Kartu terangkat (translateY) + shadow lebih dalam saat
   di-hover. Menggunakan --shadow-lg yang sudah ada.
   --------------------------------------------------------- */

.card {
  /* Pastikan transition sudah mencakup transform */
  transition:
    background      var(--transition-slow),
    border-color    var(--transition-slow),
    box-shadow      var(--transition-slow),
    transform       var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px var(--clr-accent-glow);
}

/* Balance card punya gradient sendiri — override agar
   shadow-nya tetap berwarna aksen, bukan abu-abu */
.balance-card:hover {
  box-shadow:
    0 20px 50px rgba(79, 110, 247, .30),
    0 4px 12px rgba(0, 0, 0, .12);
}


/* --- 3. GLOWING PRIMARY BUTTON ---------------------------
   Glow biru/ungu pada .btn-primary, menyebar lebih lebar
   saat hover. Kompatibel dengan gradient yang sudah ada.
   --------------------------------------------------------- */

.btn-primary {
  /* Glow default: lapisan dalam (tajam) + luar (menyebar) */
  box-shadow:
    0 4px 14px  rgba(79, 110, 247, .40),
    0 0  0px    0px rgba(124, 91, 247, .00); /* layer siap expand */
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px  rgba(79, 110, 247, .55),
    0 0  18px   6px rgba(124, 91, 247, .25); /* glow menyebar */
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow:
    0 2px 8px rgba(79, 110, 247, .35),
    0 0  0px  0px rgba(124, 91, 247, .00);
}

/* Dark mode: intensitas glow sedikit lebih tinggi karena
   latar gelap membuat glow lebih dramatis */
[data-theme="dark"] .btn-primary {
  box-shadow:
    0 4px 18px  rgba(107, 134, 255, .50),
    0 0  0px    0px rgba(107, 134, 255, .00);
}

[data-theme="dark"] .btn-primary:hover {
  box-shadow:
    0 8px 28px  rgba(107, 134, 255, .65),
    0 0  22px   8px rgba(107, 134, 255, .30);
}


/* --- 4. SUBTLE BACKGROUND GLOWING ORBS ------------------
   Mesh-gradient / glowing orbs di latar body menggunakan
   pseudo-element ::before. Dua orb: pojok kiri-atas dan
   kanan-bawah. Intensitas disesuaikan per tema.
   --------------------------------------------------------- */

body {
  /* Diperlukan agar pseudo-element bisa diposisikan */
  position: relative;
  isolation: isolate; /* buat stacking context baru */
}

body::before {
  content: '';
  position: fixed;          /* fixed agar tidak ikut scroll */
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 55% 45% at 0% 0%,
      var(--clr-accent-glow) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 50% 40% at 100% 100%,
      rgba(124, 91, 247, .12) 0%,
      transparent 70%
    );
  /* Light mode: sangat transparan agar tidak mengganggu */
  opacity: .65;
  transition: opacity var(--transition-slow);
}

/* Dark mode: naikkan opacity sedikit agar orb terlihat
   di atas latar gelap tanpa terlalu mencolok */
[data-theme="dark"] body::before {
  background:
    radial-gradient(
      ellipse 55% 45% at 0% 0%,
      rgba(107, 134, 255, .14) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 50% 40% at 100% 100%,
      rgba(124, 91, 247, .10) 0%,
      transparent 70%
    );
  opacity: 1;
}


/* --- 5. EMPTY STATE ILLUSTRATION CONTAINER ---------------
   Styling untuk .empty-state, .chart-empty, dan class baru
   .empty-illustration. Siap menampung gambar SVG/vector
   dengan fade-in + efek floating ringan.
   --------------------------------------------------------- */

/* Keyframe floating untuk ilustrasi */
@keyframes floatIllustration {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* Keyframe fade-in saat elemen muncul */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Container ilustrasi — class baru yang bisa ditambahkan
   ke <img> atau <svg> di dalam .empty-state / .chart-empty */
.empty-illustration {
  max-width: 140px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto .75rem;

  /* Fade-in saat pertama muncul */
  animation:
    fadeInUp         400ms ease both,
    floatIllustration 4s   ease-in-out 400ms infinite;

  /* Warna SVG menyesuaikan tema via filter (opsional) */
  opacity: .80;
  transition: opacity var(--transition-base);
  will-change: transform;
}

.empty-illustration:hover {
  opacity: 1;
  animation-play-state: paused; /* berhenti mengambang saat di-hover */
}

/* Perkuat styling .empty-state yang sudah ada */
.empty-state {
  animation: fadeInUp 350ms ease both;
  gap: .75rem;
  padding: 3rem 1.5rem;
}

.empty-state .empty-icon {
  font-size: 3rem;
  animation: floatIllustration 4s ease-in-out infinite;
  display: inline-block;
  will-change: transform;
}

/* Perkuat styling .chart-empty yang sudah ada */
.chart-empty {
  flex-direction: column;
  gap: .5rem;
  animation: fadeInUp 350ms ease both;
}

.chart-empty .empty-illustration {
  max-width: 100px; /* lebih kecil di dalam chart container */
}

/* --- ANIMASI KOIN KEUANGAN --- */
.coin-illustration {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  perspective: 1000px;
}

.coin {
  width: 80px;
  height: 80px;
  background: var(--clr-accent); /* Warna #424874 dari paletmu */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset -5px -5px 0px rgba(0,0,0,0.2), 
              0 0 20px var(--clr-accent-glow);
  animation: floatCoin 3s ease-in-out infinite;
  z-index: 2;
}

.coin-inner {
  color: var(--clr-bg);
  font-weight: 800;
  font-size: 1.5rem;
  font-family: 'Inter', sans-serif;
}

.coin-shadow {
  width: 60px;
  height: 10px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  margin-top: 15px;
  filter: blur(4px);
  animation: shadowScale 3s ease-in-out infinite;
}

/* Animasi Koin Naik Turun */
@keyframes floatCoin {
  0%, 100% { transform: translateY(0) rotateY(0deg); }
  50% { transform: translateY(-20px) rotateY(180deg); }
}

/* Animasi Bayangan Mengecil Saat Koin Naik */
@keyframes shadowScale {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(0.6); opacity: 0.2; }
}

.chart-empty p span {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  display: block;
  margin-top: 5px;
}


/* ── 18. CATEGORY MANAGEMENT PANEL ──────────────────────── */

/* Label kecil di atas chip list */
.cat-manage-panel {
  margin-top: .9rem;
  padding-top: .75rem;
  border-top: 1px solid var(--clr-border);
}

.cat-manage-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .55rem;
}

/* Chip list */
.category-chips {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  max-height: 220px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border) transparent;
  padding-right: .15rem;
}

.category-chips::-webkit-scrollbar { width: 4px; }
.category-chips::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 99px; }

/* Satu chip */
.cat-chip {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  font-size: var(--fs-sm);
  transition: background var(--transition-base), border-color var(--transition-base);
  animation: itemIn 200ms ease both;
}

.cat-chip:hover { background: var(--clr-surface); }

.cat-chip-emoji { flex-shrink: 0; font-size: 1rem; line-height: 1; }

.cat-chip-label {
  flex: 1;
  font-weight: 500;
  color: var(--clr-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Badge "default" — tidak bisa dihapus */
.cat-chip-badge {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .1rem .45rem;
  border-radius: 99px;
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
  flex-shrink: 0;
  user-select: none;
}

/* Tombol hapus (✕) */
.cat-chip-delete {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: .65rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition:
    background     var(--transition-base),
    color          var(--transition-base),
    border-color   var(--transition-base),
    transform      var(--transition-base);
  line-height: 1;
}

.cat-chip-delete:hover {
  background: var(--clr-danger);
  color: #fff;
  border-color: var(--clr-danger);
  transform: scale(1.15);
}

.cat-chip-delete:active { transform: scale(.95); }

/* Pesan kosong jika belum ada kategori */
.cat-chips-empty {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  text-align: center;
  padding: .75rem 0;
}


/* ── 19. THEME RIPPLE TRANSITION (View Transitions API) ──────
   Mengontrol pseudo-elements ::view-transition-* agar animasi
   ripple dari tombol toggle berjalan mulus tanpa flash.
   Browser yang tidak mendukung API ini tidak terpengaruh.
   ------------------------------------------------------------ */

/* Nonaktifkan animasi default bawaan browser — kita pakai
   animasi custom via JS (clip-path circle expand/collapse) */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

/* Layer lama fade out perlahan sementara ripple baru masuk */
::view-transition-old(root) {
  z-index: 1;
  animation: themeOldFade 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes themeOldFade {
  0%   { opacity: 1; }
  40%  { opacity: 0.6; }
  100% { opacity: 0; }
}

/* Layer baru (tema yang masuk) berada di atas, di-clip oleh JS */
::view-transition-new(root) {
  z-index: 2;
}

/* Pastikan body tidak punya transition warna saat View Transition
   aktif — mencegah double-animation yang membuat flicker */
:root[data-transitioning] body,
:root[data-transitioning] .card,
:root[data-transitioning] .app-header {
  transition: none !important;
}

/* Animasi spin kecil pada tombol toggle saat diklik */
#theme-toggle {
  transition:
    background      var(--transition-base),
    transform       var(--transition-base),
    box-shadow      var(--transition-base);
}

#theme-toggle.spinning {
  animation: themeBtnSpin 800ms ease-in-out;
}

@keyframes themeBtnSpin {
  0%   { transform: scale(1)    rotate(0deg);   }
  50%  { transform: scale(1.12) rotate(180deg); }
  100% { transform: scale(1)    rotate(360deg); }
}


/* ── 20. DELETE CATEGORY MODAL ───────────────────────────── */

/* Backdrop — lebih gelap + blur lebih kuat */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  /* State awal: transparan, tidak bisa diklik */
  background: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px) saturate(100%);
  -webkit-backdrop-filter: blur(0px) saturate(100%);
  transition:
    background      350ms ease,
    backdrop-filter 350ms ease;
  pointer-events: none;
}

.modal-overlay--visible {
  background: rgba(0, 0, 0, 0.30);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  pointer-events: auto;
}

/* Modal box — glassmorphism */
.modal-box {
  /* Kaca semi-transparan mengikuti warna tema */
  background: rgba(var(--modal-glass-rgb, 255,255,255), 0.55);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem 1.5rem;
  max-width: 320px;
  width: 100%;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.18),
    0 2px 8px  rgba(0, 0, 0, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.50);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;

  /* Animasi masuk */
  transform: scale(0.90) translateY(20px);
  opacity: 0;
  transition:
    transform 320ms cubic-bezier(0.34, 1.45, 0.64, 1),
    opacity   260ms ease;
}

/* Dark mode: glass lebih gelap */
[data-theme="dark"] .modal-box {
  background: rgba(30, 37, 53, 0.60);
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 2px 8px  rgba(0, 0, 0, 0.30),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.modal-overlay--visible .modal-box {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Ikon */
.modal-icon {
  font-size: 2.25rem;
  line-height: 1;
  margin-bottom: .1rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
}

/* Judul */
.modal-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--clr-text);
  margin: 0;
  letter-spacing: -.01em;
}

/* Body teks — lebih ringkas */
.modal-body {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 240px;
}

.modal-body strong {
  color: var(--clr-text);
  font-weight: 600;
}

/* Tombol aksi */
.modal-actions {
  display: flex;
  gap: .6rem;
  width: 100%;
  margin-top: .4rem;
}

.modal-btn {
  flex: 1;
  padding: .6rem .875rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition:
    background  var(--transition-base),
    transform   var(--transition-base),
    box-shadow  var(--transition-base),
    opacity     var(--transition-base);
}

.modal-btn:active { transform: scale(.96); }

/* Batal — glass secondary */
.modal-btn--cancel {
  background: rgba(255, 255, 255, 0.30);
  color: var(--clr-text);
  border: 1px solid rgba(255, 255, 255, 0.40);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

[data-theme="dark"] .modal-btn--cancel {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.modal-btn--cancel:hover {
  background: rgba(255, 255, 255, 0.50);
}

[data-theme="dark"] .modal-btn--cancel:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Konfirmasi hapus — danger */
.modal-btn--confirm {
  background: var(--clr-danger);
  color: #fff;
  box-shadow: 0 4px 14px rgba(239, 68, 68, .35);
}

.modal-btn--confirm:hover {
  background: var(--clr-danger-dark);
  box-shadow: 0 6px 20px rgba(239, 68, 68, .50);
  transform: translateY(-1px);
}

/* --- ANIMASI KUCING LUCU --- */
.cat-animation {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.cat-head {
  position: absolute;
  top: 10px;
  left: 15px;
  width: 50px;
  height: 40px;
  background: var(--clr-accent); /* #424874 */
  border-radius: 50% 50% 45% 45%;
  animation: catLook 4s ease-in-out infinite;
  z-index: 2;
}

.cat-ears {
  position: absolute;
  top: -10px;
  width: 100%;
}

.cat-ears::before, .cat-ears::after {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  background: var(--clr-accent);
  border-radius: 3px;
}

.cat-ears::before { left: 5px; transform: rotate(-15deg); }
.cat-ears::after { right: 5px; transform: rotate(15deg); }

.cat-eyes {
  position: absolute;
  top: 15px;
  width: 100%;
  display: flex;
  justify-content: space-around;
  padding: 0 10px;
}

.cat-eyes::before, .cat-eyes::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--clr-bg); /* #F4EEFF */
  border-radius: 50%;
  animation: catBlink 4s infinite;
}

.cat-body {
  position: absolute;
  bottom: 10px;
  left: 10px;
  width: 60px;
  height: 40px;
  background: var(--clr-surface-2); /* #A6B1E1 */
  border-radius: 30px 30px 10px 10px;
  z-index: 1;
}

/* --- ANIMASI GERAKAN --- */
@keyframes catLook {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  25% { transform: translate(-5px, 2px) rotate(-5deg); }
  50% { transform: translate(5px, -2px) rotate(5deg); }
  75% { transform: translate(0, 5px) rotate(0); }
}

@keyframes catBlink {
  0%, 90%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.empty-state p span {
  font-size: 0.85rem;
  opacity: 0.7;
}