/* ===== Global reset & theme ===== */
*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --bg: #0b0c10;
  --panel: #111318;
  --panel-2: #161921;
  --text: #e9eef3;
  --muted: #9aa4ad;
  --border: #232837;
  --primary: #6ea8fe;
  --primary-ink: #0b2a5b;
  --success: #6bd39e;
  --danger: #ff7d7d;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(0,0,0,.25);
  --maxw: 980px;

  color-scheme: dark;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fc;
    --panel: #ffffff;
    --panel-2: #f4f6fb;
    --text: #0f172a;
    --muted: #556070;
    --border: #e6eaf3;
    --primary: #2563eb;
    --primary-ink: #eaf1ff;
    --success: #17a673;
    --danger: #e11d48;
    color-scheme: light;
  }
}

html, body, #root {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 100% -10%, rgba(88, 101, 242, .15), transparent 60%),
              radial-gradient(900px 500px at -10% 0%, rgba(16, 185, 129, .12), transparent 55%),
              var(--bg);
  color: var(--text);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
}

/* Centered app container */
#root > div {
  max-width: var(--maxw);
  margin: 32px auto;
  padding: 20px;
}

/* ===== Typography ===== */
h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 12px;
  font-weight: 700;
}

h1 { font-size: clamp(28px, 4vw, 36px); letter-spacing: -0.02em; }
h2 { font-size: clamp(20px, 2.4vw, 24px); margin-top: 24px; }
h3 { font-size: clamp(16px, 2vw, 18px); }

p { margin: 8px 0 12px; color: var(--muted); }

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ===== Panels / cards ===== */
div > div, section, .card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  backdrop-filter: saturate(120%) blur(4px);
}

/* Put top bar actions on one line nicely */
nav {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

/* ===== Forms ===== */
form {
  display: grid;
  gap: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  padding: 16px;
  margin: 12px 0 16px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
  appearance: none;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

select { cursor: pointer; }

input::placeholder { color: color-mix(in oklab, var(--muted) 80%, transparent); }

input:focus,
select:focus {
  border-color: color-mix(in oklab, var(--primary) 70%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 28%, transparent);
}

/* Inline form actions */
form button[type="submit"] {
  justify-self: start;
}

/* ===== Buttons ===== */
button, .btn {
  margin: 6px;
  appearance: none;
  border: 1px solid color-mix(in oklab, var(--primary) 60%, var(--border));
  background: linear-gradient(180deg, color-mix(in oklab, var(--primary) 14%, var(--panel)) 0%, var(--panel) 100%);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
  box-shadow: 0 6px 18px rgba(0,0,0,.15);
}

button:hover, .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}

button:active, .btn:active {
  transform: translateY(0);
}

button[disabled] {
  opacity: .6; cursor: not-allowed; transform: none;
}

/* Destructive / subtle variants (optional helpers) */
.btn-danger { border-color: color-mix(in oklab, var(--danger) 60%, var(--border)); }
.btn-success { border-color: color-mix(in oklab, var(--success) 60%, var(--border)); }

/* ===== Lists ===== */
ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}

li h3 {
  margin-bottom: 6px;
}

li p {
  margin: 4px 0;
}

/* ===== Helpers ===== */
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; align-items: center; }
.space-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.stack { display: grid; gap: 10px; }

/* Make QR “value” section wrap nicely */
p a {
  word-break: break-all;
}

/* Responsive tweaks */
@media (min-width: 900px) {
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}