/* ==========================================================================
   base.css — design tokens + shared components used on every page.
   Day/Night palettes ride on CSS variables; body.night switches the theme.
   ========================================================================== */

html, body { margin: 0; padding: 0; }

body {
  font-family: 'Instrument Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color .25s, color .25s;

  /* Day palette */
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel2: #eceef2;
  --text: #181b22;
  --muted: #667085;
  --border: #e3e6ec;
  --accent: #3d63dd;
  --ok: #178a52;
  --warn: #b07b14;
  --bad: #d64545;
  --shadow: 0 1px 2px rgba(16, 24, 40, .07);

  /* Derived */
  --accent2: color-mix(in oklab, var(--accent) 12%, var(--panel));
  --accentText: color-mix(in oklab, var(--accent) 80%, var(--text));
  --ok2: color-mix(in oklab, var(--ok) 12%, var(--panel));
  --warn2: color-mix(in oklab, var(--warn) 14%, var(--panel));
  --bad2: color-mix(in oklab, var(--bad) 12%, var(--panel));
}

body.night {
  --bg: #0d0f14;
  --panel: #151821;
  --panel2: #1d212c;
  --text: #edeff4;
  --muted: #8b93a7;
  --border: #272c3a;
  --accent: #6e8ef5;
  --ok: #3fbf7f;
  --warn: #d9a83f;
  --bad: #e57373;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accentText); }

input, textarea, select, button { font: inherit; color: inherit; }

input, textarea, select {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  width: 100%;
  box-sizing: border-box;
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }

button { cursor: pointer; }

/* ---- logo mark ---- */
.logo-mark {
  border-radius: 9px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- buttons ---- */
.btn {
  border: none;
  border-radius: 9px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
  text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); color: #fff; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-ghost:hover { color: var(--text); }
.btn-soft { background: var(--panel2); border: none; }
.btn-accent-soft {
  background: var(--accent2);
  border: 1px solid var(--border);
  color: var(--accentText);
}
.btn-danger-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--bad);
}
.btn-danger { background: var(--bad); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 7px; }

/* ---- pills / chips ---- */
.pill {
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 11px;
  display: inline-block;
  white-space: nowrap;
}
.pill-ok { color: var(--ok); background: var(--ok2); }
.pill-warn { color: var(--warn); background: var(--warn2); }
.pill-bad { color: var(--bad); background: var(--bad2); }
.pill-muted { color: var(--muted); background: var(--panel2); }
.pill-accent { color: var(--accentText); background: var(--accent2); }

.chip {
  background: var(--panel2);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.chip.on {
  background: var(--accent2);
  color: var(--accentText);
  border-color: var(--accent);
}

/* chip with a small × delete button attached */
.chip-group { display: inline-flex; align-items: stretch; }
.chip-in-group { border-radius: 999px 0 0 999px; border-right: none; }
.chip-x {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 999px 999px 0;
  padding: 0 10px 0 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.chip-x:hover { color: var(--bad); }

/* merge-field code buttons in the personalization reference */
.merge-code {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accentText);
  flex-shrink: 0;
}
.merge-code:hover { border-color: var(--accent); }

/* ---- cards ---- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }
.card-lg { border-radius: 14px; padding: 24px; }

.empty-state {
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 56px 24px;
  text-align: center;
}
.empty-state h3 { font-size: 15px; font-weight: 700; margin: 0 0 6px; }
.empty-state p { font-size: 13px; color: var(--muted); margin: 0 0 18px; }

/* ---- typography helpers ---- */
.label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
}
.label-upper {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--muted);
}
.muted { color: var(--muted); }
.mono { font-family: monospace; }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }

/* ---- stacked field ---- */
.field { display: flex; flex-direction: column; }
.field + .field { margin-top: 12px; }

/* ---- modals ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 18, .5);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .25);
  max-height: 88vh;
  overflow-y: auto;
  box-sizing: border-box;
}
.modal h3 { font-size: 16px; font-weight: 700; margin: 0 0 16px; }
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}
[hidden] { display: none !important; }

/* ---- toast ---- */
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  border-radius: 10px;
  padding: 11px 20px;
  font-size: 13px;
  font-weight: 600;
  z-index: 60;
  animation: toastIn .2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
  max-width: 80vw;
}

/* ---- misc ---- */
.usage-track { height: 8px; background: var(--panel2); border-radius: 99px; }
.usage-fill { height: 8px; border-radius: 99px; background: var(--accent); transition: width .3s; }

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.flex { display: flex; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-10 { gap: 10px; }
.wrap { flex-wrap: wrap; }