*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

/* =========================================================
   COLOUR THEMES  (navy + amber)
   ========================================================= */
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0B132B;
  --panel: #1C2541;
  --glow-1: rgba(217, 119, 6, 0.16);
  --glow-2: rgba(91, 192, 222, 0.08);
  --card-a: rgba(255, 255, 255, 0.07);
  --card-b: rgba(255, 255, 255, 0.02);
  --line: rgba(244, 214, 176, 0.14);
  --text: #F4D6B0;
  --muted: #9FB3C8;
  --placeholder: rgba(159, 179, 200, 0.7);
  --accent: #D97706;
  --accent-text: #F0A94F;
  --accent-soft: rgba(217, 119, 6, 0.15);
  --accent-line: rgba(240, 169, 79, 0.5);
  --btn-a: #F0A04B;
  --btn-b: #D97706;
  --on-accent: #0B132B;
  --btn-shadow: rgba(217, 119, 6, 0.35);
  --ring: rgba(240, 169, 79, 0.25);
  --field: rgba(255, 255, 255, 0.06);
  --field-focus: rgba(255, 255, 255, 0.1);
  --hover: rgba(255, 255, 255, 0.08);
  --tag: rgba(255, 255, 255, 0.1);
  --shadow: rgba(0, 0, 0, 0.5);
  --danger: #FF8F85;
  --danger-bg: rgba(255, 143, 133, 0.12);
  --danger-line: rgba(255, 143, 133, 0.35);
  --ok: #7AD9A1;
  --ok-bg: rgba(122, 217, 161, 0.1);
  --ok-line: rgba(122, 217, 161, 0.3);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #FBF5EC;
  --panel: #FFFCF7;
  --glow-1: rgba(217, 119, 6, 0.12);
  --glow-2: rgba(58, 80, 107, 0.06);
  --card-a: rgba(255, 252, 247, 0.96);
  --card-b: rgba(255, 252, 247, 0.78);
  --line: rgba(11, 19, 43, 0.13);
  --text: #0B132B;
  --muted: #3A506B;
  --placeholder: rgba(58, 80, 107, 0.65);
  --accent: #B45309;
  --accent-text: #9A4608;
  --accent-soft: rgba(180, 83, 9, 0.1);
  --accent-line: rgba(180, 83, 9, 0.45);
  --btn-a: #B45309;
  --btn-b: #9A4608;
  --on-accent: #FFFFFF;
  --btn-shadow: rgba(154, 70, 8, 0.3);
  --ring: rgba(180, 83, 9, 0.22);
  --field: rgba(11, 19, 43, 0.04);
  --field-focus: #FFFFFF;
  --hover: rgba(11, 19, 43, 0.06);
  --tag: rgba(11, 19, 43, 0.08);
  --shadow: rgba(60, 40, 10, 0.14);
  --danger: #B42318;
  --danger-bg: rgba(180, 35, 24, 0.08);
  --danger-line: rgba(180, 35, 24, 0.3);
  --ok: #1E7F4F;
  --ok-bg: rgba(30, 127, 79, 0.09);
  --ok-line: rgba(30, 127, 79, 0.3);
}

:root { --ease: cubic-bezier(0.2, 0.8, 0.2, 1); }

/* Smooth colour change when the theme is switched */
html.theme-fade *,
html.theme-fade *::before,
html.theme-fade *::after {
  transition: background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease !important;
}

/* =========================================================
   BASE
   ========================================================= */
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 12% -10%, var(--glow-1), transparent 60%),
    radial-gradient(700px 500px at 105% 110%, var(--glow-2), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; font-weight: 600; margin: 0; }

/* ---------- Screens and animation ---------- */
.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: screenIn 0.5s var(--ease) both;
}

@keyframes screenIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

@keyframes rowIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 8px 30px var(--btn-shadow); }
  50%      { box-shadow: 0 8px 42px var(--btn-shadow); filter: brightness(1.08); }
}

/* ---------- Theme switch button ---------- */
.theme-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 50;
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--accent-text);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: none;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.theme-toggle:hover {
  background: var(--hover);
  border-color: var(--accent-line);
  transform: rotate(18deg);
  box-shadow: none;
}
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ---------- Card (login and home) ---------- */
.card {
  width: 100%;
  max-width: 400px;
  padding: 38px 28px 30px;
  text-align: center;
  background: linear-gradient(160deg, var(--card-a), var(--card-b));
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: 0 30px 80px var(--shadow);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.logo {
  width: 68px;
  height: 68px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--btn-a), var(--btn-b));
  border-radius: 50%;
  animation: glow 4s ease-in-out infinite;
}

.card h1 { font-size: 1.8rem; letter-spacing: 0.3px; }

.subtitle {
  margin: 6px 0 26px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.badge {
  display: inline-block;
  margin: 12px 0 24px;
  padding: 5px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-text);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
}

.stack { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Forms ---------- */
label {
  display: block;
  margin: 0 0 6px;
  text-align: left;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}
label em { font-style: normal; opacity: 0.8; }

input, select {
  width: 100%;
  padding: 13px 14px;
  margin-bottom: 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
input::placeholder { color: var(--placeholder); }
input:focus, select:focus {
  border-color: var(--accent);
  background: var(--field-focus);
  box-shadow: 0 0 0 3px var(--ring);
}

select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23D97706' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
select option { background: var(--panel); color: var(--text); }

.error { margin: 0 0 14px; color: var(--danger); font-size: 0.88rem; }

/* ---------- Buttons ---------- */
button {
  width: 100%;
  padding: 14px 18px;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--btn-a), var(--btn-b));
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.2s, background 0.2s, opacity 0.2s;
}
button:hover { transform: translateY(-2px); box-shadow: 0 10px 26px var(--btn-shadow); }
button:active { transform: scale(0.97); box-shadow: none; }
button:disabled { opacity: 0.6; cursor: wait; transform: none; box-shadow: none; }

button.secondary {
  color: var(--text);
  background: var(--field);
  border: 1px solid var(--line);
}
button.secondary:hover {
  background: var(--hover);
  border-color: var(--accent-line);
  box-shadow: none;
}

button.small { width: auto; padding: 9px 14px; font-size: 0.85rem; border-radius: 10px; }

/* ---------- Money box (bank style) ---------- */
.money-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding: 0 16px;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.money-field:focus-within {
  border-color: var(--accent);
  background: var(--field-focus);
  box-shadow: 0 0 0 3px var(--ring);
}
.money-field span { color: var(--accent-text); font-weight: 600; }
.money-field input {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 13px 0;
  text-align: right;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.money-field input:focus { border: 0; box-shadow: none; background: transparent; }
.money-field input::placeholder { font-size: 1rem; font-weight: 400; }

/* ---------- Menu management ---------- */
.screen.menu-screen { align-items: flex-start; }
.menu-wrap { width: 100%; max-width: 680px; margin: 0 auto; padding-bottom: 40px; }

.menu-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 18px;
  padding-right: 56px;
}
.menu-header h2 { font-size: 1.5rem; }

.menu-section {
  margin-bottom: 20px;
  padding: 20px;
  background: linear-gradient(160deg, var(--card-a), var(--card-b));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 16px 40px var(--shadow);
}
.menu-section > h3 { margin-bottom: 14px; font-size: 1.15rem; color: var(--accent-text); }

.menu-group {
  margin: 18px 0 4px;
  font-family: 'Inter', sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.menu-form-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 8px; }
.menu-form-row input { margin-bottom: 0; flex: 1; }
.menu-form-row button { margin-top: 1px; padding-top: 13px; padding-bottom: 13px; }
.menu-form-actions { display: flex; gap: 10px; margin-top: 6px; }
.menu-form-actions button { flex: 1; }

.menu-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  margin: 0 -8px;
  border-top: 1px solid var(--line);
  border-radius: 10px;
  transition: background 0.2s, opacity 0.2s;
  animation: rowIn 0.3s var(--ease) both;
}
.menu-row:hover { background: var(--hover); }

.menu-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.menu-info strong { font-weight: 600; }
.menu-price { font-size: 0.88rem; color: var(--accent-text); }
.menu-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.menu-dim { opacity: 0.55; }

.menu-tag {
  align-self: flex-start;
  padding: 2px 9px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: var(--tag);
  border-radius: 999px;
}

.menu-empty { margin: 8px 0; color: var(--muted); }

.menu-message {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  animation: rowIn 0.3s var(--ease) both;
}
.menu-error { color: var(--danger); background: var(--danger-bg); border: 1px solid var(--danger-line); }
.menu-ok    { color: var(--ok);     background: var(--ok-bg);     border: 1px solid var(--ok-line); }

@media (max-width: 520px) {
  .menu-row { flex-direction: column; align-items: flex-start; }
  .menu-actions { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}