@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;600&display=swap");

:root {
  --cream: #faf3e7;
  --cream-2: #f2e8d6;
  --cocoa: #362013;
  --cocoa-soft: #6b5443;
  --butter: #e7b740;
  --butter-dark: #c99a24;
  --caramel: #a85c2a;
  --line: #ddcba6;
  --danger: #b33a3a;
  --danger-bg: #f6e2df;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--cocoa);
  font-family: "Inter", system-ui, sans-serif;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.app-shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

header.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

header.top .brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

header.top .brand .mark {
  font-family: "Fraunces", serif;
  font-size: 26px;
  font-weight: 700;
}

header.top .brand .tag {
  font-size: 12px;
  color: var(--cocoa-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
  flex-wrap: wrap;
}

nav.tabs a {
  text-decoration: none;
  color: var(--cocoa-soft);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px 8px 0 0;
  position: relative;
  top: 1px;
}

nav.tabs a.active {
  color: var(--cocoa);
  background: #fff;
  border: 1px solid var(--line);
  border-bottom: 1px solid #fff;
  font-weight: 600;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.card h2 { font-size: 18px; margin-bottom: 14px; }
.card h3 { font-size: 15px; }

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.field label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--cocoa-soft);
}

.field input, .field select {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--cream);
  color: var(--cocoa);
}

.field input:focus, .field select:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--caramel);
  outline-offset: 1px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.row-3 {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr auto;
  gap: 8px;
  align-items: end;
}

button {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  border-radius: 7px;
  border: 1px solid transparent;
  padding: 9px 15px;
  cursor: pointer;
  transition: transform 0.05s ease;
}

button:active { transform: scale(0.98); }

.btn-primary { background: var(--butter); color: var(--cocoa); border-color: var(--butter-dark); }
.btn-primary:hover { background: var(--butter-dark); }

.btn-ghost { background: transparent; border-color: var(--line); color: var(--cocoa-soft); }
.btn-ghost:hover { border-color: var(--caramel); color: var(--caramel); }

.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: #e3bdb8; }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-small { padding: 5px 10px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--cocoa-soft); }
td.num, th.num { text-align: right; font-family: "IBM Plex Mono", monospace; }

.list-table tr:last-child td { border-bottom: none; }
.list-table .actions { display: flex; gap: 6px; justify-content: flex-end; }

.item-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 110px) auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.item-row select,
.item-row > div {
  min-width: 0;
}

.item-row select {
  width: 100%;
}

.item-row > div {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.item-row input.item-weight,
.item-row input.topping-weight {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.item-row .weight-suffix { font-size: 12px; color: var(--cocoa-soft); margin-left: 0; flex-shrink: 0; }

@media (max-width: 420px) {
  .item-row { grid-template-columns: minmax(0, 1fr) minmax(0, 84px) auto; }
}

.empty {
  color: var(--cocoa-soft);
  font-size: 13.5px;
  padding: 18px 0;
  text-align: center;
}

.mono { font-family: "IBM Plex Mono", monospace; }

/* --- receipt / stamp signature element (หน้าแรก) --- */
.receipt {
  background: #fff;
  border: 1px dashed var(--caramel);
  border-radius: 4px;
  padding: 22px 22px 18px;
  position: relative;
}

.receipt::before, .receipt::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 10px;
  background:
    radial-gradient(circle at 8px 0, transparent 8px, var(--cream) 8.5px) top left / 16px 16px repeat-x;
}
.receipt::before { top: -1px; }
.receipt::after { bottom: -1px; transform: rotate(180deg); }

.receipt .stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  border: 2.5px solid var(--caramel);
  color: var(--caramel);
  margin: 4px auto 16px;
  transform: rotate(-4deg);
}
.receipt .stamp .price { font-family: "Fraunces", serif; font-size: 26px; font-weight: 700; line-height: 1; }
.receipt .stamp .unit { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }

.receipt .line {
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  padding: 4px 0;
  color: var(--cocoa-soft);
}
.receipt .line.total {
  border-top: 1px dashed var(--line);
  margin-top: 8px;
  padding-top: 10px;
  color: var(--cocoa);
  font-weight: 600;
  font-size: 14px;
}

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cocoa);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.toast.error { background: var(--danger); }

@media (max-width: 560px) {
  .row { grid-template-columns: 1fr; }
}