* { box-sizing: border-box; }

:root {
  --blue: #2E6FF2;
  --blue-dark: #1E54C6;
  --blue-bg: #EAF0FE;
  --green: #16A34A;
  --green-bg: #E7F7ED;
  --pastel-green: #86D9A6;
  --pastel-green-dark: #5FC488;
  --red: #DC2626;
  --red-bg: #FDEDED;
  --page: #F5F6F8;
  --card: #FFFFFF;
  --ink: #16181D;
  --ink-soft: #6B7280;
  --line: #E5E7EB;
  --toast-bg: #16181D;
  --toast-fg: #FFFFFF;
}

html[data-theme="dark"] {
  --blue: #E8622F;
  --blue-dark: #C94F22;
  --blue-bg: #3A2318;
  --green: #4ADE80;
  --green-bg: #16321F;
  --pastel-green: #2F7A4F;
  --pastel-green-dark: #256240;
  --red: #F16A5A;
  --red-bg: #3A1E1B;
  --page: #121214;
  --card: #1C1C1F;
  --ink: #F2F2F3;
  --ink-soft: #9A9AA1;
  --line: #2C2C30;
  --toast-bg: #2C2C30;
  --toast-fg: #FFFFFF;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

#app-root {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--page);
  padding-bottom: env(safe-area-inset-bottom);
}

.loading-screen {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}

/* ---------- Header ---------- */
.head {
  background: var(--card);
  border-bottom: 3px solid var(--blue);
  padding: calc(env(safe-area-inset-top) + 14px) 18px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.head img.logo { height: 60px; width: auto; max-width: 130px; display: block; flex: none; object-fit: contain; }
.head .head-text { min-width: 0; flex: 1; }
.head h1 { font-weight: 700; font-size: 18px; letter-spacing: -0.2px; margin: 0 0 2px; color: var(--ink); line-height: 1.2; }
.head .who { margin: 0; font-size: 12.5px; color: var(--ink-soft); }
.acct-btn {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue-bg); color: var(--blue); border: none;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}

/* ---------- Bottom nav ---------- */
.tabs {
  position: fixed; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 100%; max-width: 480px;
  display: flex; background: var(--card); border-top: 1px solid var(--line);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  z-index: 10;
}
.tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 2px; font-size: 11px; color: var(--ink-soft); cursor: pointer;
  user-select: none; border-radius: 10px;
}
.tab svg { display: block; }
.tab.active { color: var(--blue); }

.panel { display: none; padding: 16px 16px 96px; }
.panel.active { display: block; }

/* ---------- Forms ---------- */
input[type=text], input[type=number], input[type=password], input[type=date], select {
  width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; background: #fff; color: var(--ink); font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
label.field-label { display: block; font-size: 12.5px; color: var(--ink-soft); margin: 0 0 4px; }
.field { margin-bottom: 12px; }

/* ---------- Product grid ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 14px; }
.prod-btn { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 10px; text-align: left; cursor: pointer; }
.prod-btn:active { background: var(--blue-bg); }
.prod-btn .pn { font-size: 13.5px; font-weight: 600; display: block; color: var(--ink); }
.prod-btn .pp { font-size: 12.5px; color: var(--ink-soft); }
.prod-btn:disabled, .prod-btn.inactive { opacity: 0.45; pointer-events: none; }

/* ---------- Cart ---------- */
.cart { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px; margin-bottom: 12px; }
.cart-empty { padding: 14px 0; font-size: 13px; color: var(--ink-soft); text-align: center; }
.cart-row { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); gap: 8px; }
.cart-row:last-child { border-bottom: none; }
.cart-name { font-size: 13.5px; flex: 1; color: var(--ink); }
.cart-sub { font-size: 11.5px; color: var(--ink-soft); }
.qty-ctl { display: flex; align-items: center; gap: 6px; }
.qty-btn { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--line); background: #fff; font-size: 16px; line-height: 1; cursor: pointer; color: var(--blue); }
.qty-val { min-width: 18px; text-align: center; font-size: 13.5px; }
.cart-price { font-size: 13.5px; font-weight: 600; min-width: 58px; text-align: right; color: var(--ink); }
.rm-btn { background: none; border: none; color: var(--red); font-size: 17px; cursor: pointer; padding: 0 2px; }
.total-row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 2px 4px; font-size: 15px; }
.total-row .amt { font-size: 22px; font-weight: 700; color: var(--blue); }

/* ---------- Buttons ---------- */
.btn-primary { width: 100%; background: var(--blue); color: #fff; border: none; border-radius: 9px; padding: 14px; font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 6px; }
.btn-primary:active { background: var(--blue-dark); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-confirm { width: 100%; background: var(--pastel-green); color: #114029; border: none; border-radius: 9px; padding: 14px; font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 6px; }
.btn-confirm:active { background: var(--pastel-green-dark); }
.btn-confirm:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--blue); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn-danger { background: #fff; color: var(--red); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn-text { background: none; border: none; color: var(--blue); font-size: 13px; font-weight: 600; cursor: pointer; padding: 4px 0; }

/* ---------- Cards / summaries ---------- */
.summary-cards { display: flex; gap: 8px; margin-bottom: 14px; }
.scard { flex: 1; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.scard .lbl { font-size: 11.5px; color: var(--ink-soft); }
.scard .val { font-size: 20px; font-weight: 700; color: var(--ink); margin-top: 2px; }

.hist-row { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.hist-top { display: flex; justify-content: space-between; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.hist-time { font-size: 11.5px; color: var(--ink-soft); margin-top: 1px; }
.hist-items { font-size: 12.5px; color: var(--ink-soft); margin-top: 5px; }
.hist-del { background: none; border: none; color: var(--red); font-size: 12px; cursor: pointer; padding: 4px 0 0; }
.empty-msg { text-align: center; color: var(--ink-soft); font-size: 13.5px; padding: 30px 10px; }

.prod-edit-row { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; margin-bottom: 8px; }
.prod-edit-row input[type=text] { flex: 2; }
.prod-edit-row input[type=number] { flex: 1; }
.add-prod-box { border: 1px dashed var(--line); border-radius: 10px; padding: 10px; margin-top: 14px; background: var(--card); }
.add-prod-box .row { display: flex; gap: 8px; margin-bottom: 8px; }
.add-prod-box input[type=text] { flex: 2; }
.add-prod-box input[type=number] { flex: 1; }

.section-title { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin: 4px 0 10px; }
.top-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 8px; }
.msg-inline { font-size: 12px; color: var(--ink-soft); text-align: center; margin-top: 8px; }

.seg { display: flex; gap: 6px; background: var(--card); border: 1px solid var(--line); border-radius: 9px; padding: 3px; margin-bottom: 14px; }
.seg-opt { flex: 1; text-align: center; padding: 7px 4px; font-size: 13px; font-weight: 600; color: var(--ink-soft); border-radius: 7px; cursor: pointer; user-select: none; }
.seg-opt.active { background: var(--blue); color: #fff; }

.rank-card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px; margin-bottom: 14px; }
.rank-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.rank-row:last-child { border-bottom: none; }
.rank-pos { width: 20px; font-size: 13px; font-weight: 700; color: var(--ink-soft); flex: none; }
.rank-name { flex: 1; font-size: 13.5px; color: var(--ink); min-width: 0; }
.rank-sub { font-size: 11.5px; color: var(--ink-soft); }
.rank-val { font-size: 13.5px; font-weight: 700; color: var(--blue); flex: none; }

.hist-filters { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.hist-filters .row2 { display: flex; gap: 8px; }
.hist-filters .row2 input { flex: 1; }

/* ---------- Voluntarios (admin) ---------- */
.vol-row { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.vol-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.vol-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.vol-name.inactive { color: var(--ink-soft); text-decoration: line-through; }
.vol-badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 20px; background: var(--blue-bg); color: var(--blue); }
.vol-badge.voluntario { background: var(--page); color: var(--ink-soft); }
.vol-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.vol-actions button { font-size: 11.5px; padding: 6px 9px; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; }
.login-wrap img.logo { height: 110px; width: auto; max-width: 300px; margin-bottom: 20px; object-fit: contain; }
.login-card { width: 100%; max-width: 320px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 20px; }
.login-card h1 { font-size: 17px; margin: 0 0 4px; }
.login-card p.sub { font-size: 12.5px; color: var(--ink-soft); margin: 0 0 18px; }
.pin-dots { display: flex; gap: 10px; justify-content: center; margin: 4px 0 4px; }
.vol-pick { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }
.vol-pick-btn { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-size: 14.5px; font-weight: 600; color: var(--ink); cursor: pointer; text-align: left; }
.vol-pick-btn:active { background: var(--blue-bg); border-color: var(--blue); }
.login-error { color: var(--red); font-size: 12.5px; margin: 10px 0 0; min-height: 16px; }
.login-back { margin-top: 14px; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--toast-bg); color: var(--toast-fg); font-size: 13px; padding: 10px 16px; border-radius: 20px; box-shadow: 0 4px 16px rgba(0,0,0,.3); z-index: 100; opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.toast.show { opacity: 1; }
.toast.error { background: var(--red); }

@media (max-width: 380px) {
  .tab { font-size: 10.5px; padding: 8px 2px; }
}