/* ---- tokens --------------------------------------------------------- */
:root {
  color-scheme: light dark;
  --bg: #F3F5F7;
  --surface: #FFFFFF;
  --surface-2: #EAEEF2;
  --border: #D8DEE6;
  --text: #10151C;
  --text-muted: #5B6472;
  --accent: #0B6E6E;
  --accent-hover: #0A5F5F;
  --accent-contrast: #FFFFFF;
  --success: #1B8A5A;
  --success-bg: #E4F4EC;
  --warning: #96700A;
  --warning-bg: #FBF0D9;
  --danger: #B3261E;
  --danger-bg: #FBE7E5;
  --live: #B3261E;
  --live-bg: #FBE7E5;
  --sandbox: #43536B;
  --sandbox-bg: #E7EBF1;
  --shadow: 0 1px 2px rgba(16, 21, 28, 0.04), 0 4px 14px rgba(16, 21, 28, 0.06);
  --font-sans: "IBM Plex Sans", -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1114;
    --surface: #161B20;
    --surface-2: #1E252B;
    --border: #2A323B;
    --text: #E7ECF1;
    --text-muted: #93A0AD;
    --accent: #3FBFBF;
    --accent-hover: #59CFCF;
    --accent-contrast: #04211F;
    --success: #4ADE9B;
    --success-bg: #113023;
    --warning: #E4BE58;
    --warning-bg: #33290F;
    --danger: #FF8177;
    --danger-bg: #3A1613;
    --live: #FF8177;
    --live-bg: #3A1613;
    --sandbox: #B7C3D1;
    --sandbox-bg: #1D2733;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

/* ---- base ------------------------------------------------------------ */
* { box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.45;
}
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}
body.auth .container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 32px;
}

h1 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
h2 {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0 0 14px;
}
p { color: var(--text-muted); }
a { color: var(--accent); }
code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ---- auth card -------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px 28px;
}
.auth-card h1 { text-align: left; }

/* ---- form controls ----------------------------------------------------- */
label {
  display: block;
  margin-top: 14px;
  margin-bottom: 4px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
}
label:first-of-type { margin-top: 0; }

input, select {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
select { font-family: var(--font-sans); }
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.row { display: flex; gap: 8px; align-items: stretch; }
.row input { flex: 1; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.btn-row > button { margin-top: 0; }

/* ---- buttons ------------------------------------------------------------ */
button {
  margin-top: 16px;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-contrast);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.92rem;
  transition: background 0.12s ease;
}
button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: default; }

.row button, .btn-ghost {
  margin-top: 0;
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.row button:hover, .btn-ghost:hover { background: var(--surface-2); }

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

form.inline { display: inline; }

/* ---- badges / pills ------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-live { background: var(--live-bg); color: var(--live); }
.badge-sandbox { background: var(--sandbox-bg); color: var(--sandbox); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }

/* ---- page header (payout app) -------------------------------------------- */
.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 28px;
}
.page-head .who { color: var(--text-muted); font-size: 0.9rem; }
.page-head .spacer { flex: 1; }

/* ---- step cards ------------------------------------------------------------ */
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.note, .hint { font-size: 0.8rem; color: var(--text-muted); margin: 4px 0 0; }

/* ---- log panel ------------------------------------------------------------- */
.log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.log-head h2 { margin: 0; }
pre#log {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  height: 220px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  margin: 0;
}

/* ---- tables (admin) ---------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 420px; border-collapse: collapse; margin-top: 4px; }
th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
td:first-child, th:first-child { padding-left: 0; }

/* ---- result modal ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 14, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}
.modal-overlay[hidden] { display: none; }
.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.modal-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 1.3rem;
  font-weight: 700;
}
.modal-icon-success { background: var(--success-bg); color: var(--success); }
.modal-icon-danger { background: var(--danger-bg); color: var(--danger); }
.modal-card h2 {
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.modal-message { white-space: pre-line; color: var(--text); margin: 0; }
.modal-detail {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--surface-2);
  border-radius: 8px;
  padding: 10px;
  margin-top: 14px;
  max-height: 160px;
  overflow: auto;
  white-space: pre-wrap;
}
.modal-card button { min-width: 100px; }

/* ---- errors ---------------------------------------------------------------- */
.error {
  color: var(--danger);
  background: var(--danger-bg);
  border-radius: 7px;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-weight: 500;
  margin-top: 14px;
}