@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,700;12..96,800&family=Instrument+Sans:ital,wght@0,400;0,500;0,600;1,400&family=DM+Mono:wght@400;500&display=swap');

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --bg:          #0C0906;
  --surface:     #131009;
  --card:        #1A1510;
  --card-hi:     #251F14;
  --accent:      #E9A535;
  --accent-dim:  rgba(233, 165, 53, 0.12);
  --accent-glow: rgba(233, 165, 53, 0.28);
  --text:        #EDE6D9;
  --muted:       #8C7E6C;
  --border:      #27201A;
  --border-hi:   rgba(233, 165, 53, 0.38);
  --success:     #52D68A;
  --error:       #EF6B6B;
  --warn:        #E9A535;
  --radius:      12px;
  --radius-sm:   8px;
  --font-d:      'Bricolage Grotesque', sans-serif;
  --font-b:      'Instrument Sans', sans-serif;
  --font-m:      'DM Mono', monospace;
}

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

body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/svg%3E%3Crect width='256' height='256' filter='url(%23g)'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  z-index: 9998;
}

/* ── Views ──────────────────────────────────────────────────────────────────── */
.view { display: none; flex-direction: column; min-height: 100dvh; }
.view.active {
  display: flex;
  animation: view-in 0.18s ease both;
}
@keyframes view-in {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  padding-top: max(13px, env(safe-area-inset-top));
  background: rgba(19, 16, 9, 0.88);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

header h1 {
  flex: 1;
  font-family: var(--font-d);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.icon-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-b);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: color 0.15s, border-color 0.15s;
}
.icon-btn:hover  { color: var(--text); border-color: var(--border-hi); }
.icon-btn:active { color: var(--accent); }

/* ── Main ───────────────────────────────────────────────────────────────────── */
main {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px 18px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
}

/* ── Scan view ──────────────────────────────────────────────────────────────── */
#view-scan {
  background:
    radial-gradient(ellipse 130% 55% at 50% 95%, rgba(233,165,53,0.08) 0%, transparent 55%),
    var(--bg);
}

#view-scan header {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
#view-scan header h1 {
  font-family: var(--font-m);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-align: center;
  text-transform: uppercase;
}

.scan-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.scan-area {
  text-align: center;
  max-width: 300px;
  width: 100%;
  padding: 20px 0 56px;
}

.scan-icon {
  font-size: 96px;
  line-height: 1;
  margin-bottom: 28px;
  display: block;
  filter:
    drop-shadow(0 0 20px rgba(233,165,53,0.55))
    drop-shadow(0 0 52px rgba(233,165,53,0.2));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50%       { transform: translateY(-12px) rotate(1deg); }
}

.scan-area > p {
  color: var(--muted);
  margin: 0 auto 36px;
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 230px;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  display: block;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-family: var(--font-d);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  transition: transform 0.12s, box-shadow 0.18s;
}
.btn-primary {
  background: var(--accent);
  color: #0C0906;
  margin-bottom: 10px;
}
.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 32px rgba(233,165,53,0.35);
}
.btn-secondary {
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-secondary:active { transform: scale(0.97); }

label.btn-primary input,
label.btn-secondary input { display: none; }

/* ── Processing view ────────────────────────────────────────────────────────── */
#view-processing header { display: none; }

.processing-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex: 1;
}

.spinner {
  width: 52px;
  height: 52px;
  position: relative;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent) 0%, transparent 72%);
  animation: spin 0.9s linear infinite;
}
.spinner::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--bg);
  border-radius: 50%;
}
@keyframes spin { to { transform: rotate(360deg); } }

.processing-text {
  color: var(--muted);
  font-family: var(--font-m);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

/* ── Review view ────────────────────────────────────────────────────────────── */
.review-main { max-width: 540px; margin: 0 auto; }

.receipt-thumb {
  margin-bottom: 22px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  height: 116px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.receipt-thumb img {
  max-width: 100%;
  max-height: 116px;
  object-fit: contain;
}

/* ── Form ────────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }

.form-group label:not(.checkbox-row) {
  display: block;
  font-family: var(--font-m);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}

/* Specificity override: splits-header label lives in a flex row, needs no block margin */
.form-group .splits-header label {
  margin-bottom: 0;
  display: inline-block;
}

.form-group input:not([type="checkbox"]),
.form-group select {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-b);
  font-size: 0.93rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

#amount {
  font-family: var(--font-m);
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.form-group input:not([type="checkbox"]):focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group 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='%238C7E6C' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s;
}
.checkbox-row:hover { border-color: var(--border-hi); }
.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox-row span {
  font-size: 0.9rem;
  color: var(--text);
}

/* ── Submit button ───────────────────────────────────────────────────────────── */
.submit-btn {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: #0C0906;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-d);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  margin-top: 24px;
  transition: transform 0.12s, box-shadow 0.18s;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}
.submit-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255,255,255,0.18) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.submit-btn:hover::after { opacity: 1; }
.submit-btn:active { transform: scale(0.98); }
.submit-btn:disabled { opacity: 0.35; cursor: default; transform: none; }

.center-main .submit-btn { margin-top: 0; }

/* ── Autocomplete ────────────────────────────────────────────────────────────── */
.ac-wrap { position: relative; }

.ac-wrap input {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-b);
  font-size: 0.93rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
.ac-wrap input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.ac-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--card-hi);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  max-height: 210px;
  overflow-y: auto;
  z-index: 200;
  list-style: none;
  box-shadow:
    0 16px 48px rgba(0,0,0,0.65),
    0 0 0 0.5px rgba(233,165,53,0.12);
}

.ac-item {
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.active { background: var(--accent-dim); }

.ac-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}
.ac-sub {
  font-family: var(--font-m);
  font-size: 0.64rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── Splits ──────────────────────────────────────────────────────────────────── */
.splits-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.add-split-btn {
  background: none;
  border: 1px solid var(--border-hi);
  color: var(--accent);
  font-family: var(--font-m);
  font-size: 0.64rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.15s;
}
.add-split-btn:hover { background: var(--accent-dim); }

.split-row {
  display: grid;
  grid-template-columns: 1fr 80px 36px;
  gap: 6px;
  align-items: start;
  margin-bottom: 8px;
}

.split-cat, .split-amt {
  padding: 11px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-b);
  font-size: 0.88rem;
  width: 100%;
  transition: border-color 0.18s, box-shadow 0.18s;
  -webkit-appearance: none;
  appearance: none;
}
.split-cat:focus, .split-amt:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.split-amt {
  font-family: var(--font-m);
  font-size: 0.85rem;
  text-align: right;
  padding-right: 10px;
}

.split-remove {
  width: 36px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.split-remove:not(:disabled):hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239,107,107,0.08);
}
.split-remove:disabled { opacity: 0.2; cursor: default; }

.split-total-info {
  font-family: var(--font-m);
  font-size: 0.7rem;
  text-align: right;
  margin-top: 4px;
  min-height: 1.3em;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.split-total-info.ok   { color: var(--success); }
.split-total-info.warn { color: var(--warn); }

/* ── Success view ────────────────────────────────────────────────────────────── */
#view-success {
  background:
    radial-gradient(ellipse 90% 50% at 50% 35%, rgba(82,214,138,0.06) 0%, transparent 65%),
    var(--bg);
}

.center-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 28px;
  padding: 48px 20px;
  flex: 1;
}

.big-icon { font-size: 76px; line-height: 1; }
#view-success .big-icon { filter: drop-shadow(0 0 24px rgba(82,214,138,0.4)); }
#view-error   .big-icon { filter: drop-shadow(0 0 20px rgba(239,107,107,0.35)); }

.big-icon.bounce { animation: bounce 0.55s cubic-bezier(.36,.07,.19,.97) both; }
@keyframes bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  35%       { transform: translateY(-22px) scale(1.06); }
  65%       { transform: translateY(-8px) scale(1.02); }
}

.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  width: 100%;
  max-width: 290px;
}
.result-card .payee {
  font-family: var(--font-d);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
  color: var(--text);
  text-transform: uppercase;
}
.result-card .amount {
  font-family: var(--font-m);
  font-size: 2.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 10px;
  line-height: 1;
  letter-spacing: -0.03em;
}
.result-card .account {
  font-family: var(--font-m);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Error view ──────────────────────────────────────────────────────────────── */
.error-box {
  background: var(--card);
  border: 1px solid rgba(239,107,107,0.3);
  border-radius: var(--radius);
  padding: 18px 20px;
  max-width: 300px;
  font-family: var(--font-m);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-word;
  letter-spacing: 0.01em;
}