/* BYSEC eKasa — corporate cream + sunshine yellow tokens */
:root {
  --bg: #FAF6EE;
  --bg-2: #FFFFFF;
  --ink: #1A1A1A;
  --ink-2: #555;
  --muted: #888;
  --accent: #F7C948;
  --accent-ink: #1A1A1A;
  --error: #C53030;
  --success: #2F855A;
  --border: #E6DFCC;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --font: 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

#appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
#appbar .brand {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
}
#appbar .brand span {
  color: var(--ink-2);
  font-weight: 400;
}
button.icon {
  background: transparent;
  border: 0;
  font-size: 22px;
  cursor: pointer;
  padding: 4px 10px;
  color: var(--ink);
}

main {
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
}

section[data-screen] {
  display: none;
}
section[data-screen].active {
  display: block;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from {opacity:0;transform:translateY(4px)} to {opacity:1;transform:none} }

/* Hero (login) */
.hero {
  text-align: center;
  margin: 32px 0 28px;
}
.hero .logo {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 4px;
  letter-spacing: 1px;
  font-size: 14px;
}
.hero h1 {
  margin: 16px 0 4px;
  font-size: 32px;
  letter-spacing: -0.5px;
}
.hero p {
  margin: 0;
}

/* Card */
.card {
  background: var(--bg-2);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--ink-2);
}
label input {
  display: block;
  width: 100%;
  font-size: 16px;
  padding: 12px 14px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
}
label input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

button.primary, button.ghost, button.payment {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 16px;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  margin-top: 6px;
  transition: transform .05s ease;
}
button.primary {
  background: var(--accent);
  color: var(--accent-ink);
}
button.primary:hover { filter: brightness(1.04); }
button.primary:active { transform: scale(.98); }
button.ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--border);
}

.muted { color: var(--muted); }
.big { font-size: 28px; font-weight: 700; margin: 4px 0 16px; }
.error { color: var(--error); margin-top: 8px; font-size: 14px; }

.install-hint {
  margin-top: 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}
.install-hint summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--ink-2);
}
.install-hint p { font-size: 13px; color: var(--ink-2); margin: 6px 0 0; }

/* Scanner */
#scanner {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  max-width: 480px;
  margin: 0 auto;
}
#scanner video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.overlay .rect {
  width: 70%;
  aspect-ratio: 1/1;
  border: 3px solid var(--accent);
  border-radius: 16px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.35);
}
.overlay .hint {
  color: white;
  margin-top: 16px;
  font-size: 14px;
  background: rgba(0,0,0,.6);
  padding: 6px 12px;
  border-radius: 20px;
}
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

/* Payment grid */
.payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
button.payment {
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--border);
  font-size: 15px;
  font-weight: 500;
  padding: 28px 16px;
  line-height: 1.6;
  font-size: 28px;
}
button.payment:hover { background: var(--accent); }
button.payment small { font-size: 14px; color: var(--ink-2); }

#cards-list .card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}
#cards-list .card-row:hover { border-color: var(--accent); }
#cards-list .card-row .last4 { font-family: monospace; color: var(--muted); }

/* Result */
.result-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}
.result-card.ok { border-left: 4px solid var(--success); }
.result-card.warn { border-left: 4px solid var(--accent); }
.result-card.err { border-left: 4px solid var(--error); }
.result-card .row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}
.result-card .row b { color: var(--ink); }
.result-card .row span { color: var(--ink-2); }

/* List */
#list-content .receipt {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.receipt .vendor {
  font-weight: 600;
}
.receipt .meta {
  color: var(--muted);
  font-size: 12px;
}
.receipt .total {
  font-weight: 700;
  font-size: 16px;
}
.receipt .status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 8px;
}
.receipt .status.sent { background: #C6F6D5; color: var(--success); }
.receipt .status.error { background: #FED7D7; color: var(--error); }
.receipt .status.pending { background: var(--accent); color: var(--accent-ink); }

/* Headings */
h2, h3 { font-weight: 600; }
h2 { font-size: 22px; margin-top: 8px; }
h3 { font-size: 16px; color: var(--ink-2); margin: 18px 0 8px; }