/* smartMail — minimal, squircle, Apple-inspired UI */

:root {
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --card: #ffffff;
  --card-border: rgba(0,0,0,.06);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --muted-2: #86868b;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-contrast: #ffffff;
  --ok: #1d8a3f;
  --ok-bg: #e6f6ea;
  --err: #d70015;
  --err-bg: #fdebea;
  --warn: #995700;
  --warn-bg: #fff3dc;
  --sep: rgba(0,0,0,.08);
  --input-bg: #ffffff;
  --input-border: rgba(0,0,0,.12);
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000;
    --bg-elevated: #1c1c1e;
    --card: #1c1c1e;
    --card-border: rgba(255,255,255,.08);
    --text: #f5f5f7;
    --muted: #98989d;
    --muted-2: #8e8e93;
    --accent: #0a84ff;
    --accent-hover: #2b95ff;
    --accent-contrast: #ffffff;
    --ok: #32d74b;
    --ok-bg: rgba(50,215,75,.15);
    --err: #ff453a;
    --err-bg: rgba(255,69,58,.15);
    --warn: #ff9f0a;
    --warn-bg: rgba(255,159,10,.15);
    --sep: rgba(255,255,255,.1);
    --input-bg: #2c2c2e;
    --input-border: rgba(255,255,255,.14);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"] {
  --bg: #000000; --bg-elevated: #1c1c1e; --card: #1c1c1e; --card-border: rgba(255,255,255,.08);
  --text: #f5f5f7; --muted: #98989d; --muted-2: #8e8e93; --accent: #0a84ff; --accent-hover: #2b95ff;
  --accent-contrast: #fff; --ok: #32d74b; --ok-bg: rgba(50,215,75,.15); --err: #ff453a; --err-bg: rgba(255,69,58,.15);
  --warn: #ff9f0a; --warn-bg: rgba(255,159,10,.15); --sep: rgba(255,255,255,.1); --input-bg: #2c2c2e;
  --input-border: rgba(255,255,255,.14); --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35); --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body {
  margin: 0;
  font: 400 15px/1.47 var(--font);
  background: var(--bg);
  color: var(--text);
  letter-spacing: -0.01em;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- squircle helper: native corner-shape with graceful border-radius fallback ---------- */
.card, button, .btn, input, select, textarea, .pill, .secret-box {
  border-radius: var(--radius-md);
}
.card { border-radius: var(--radius-lg); corner-shape: squircle; }
button, .btn, input, select, textarea { corner-shape: squircle; }
.pill { border-radius: 999px; } /* badges stay true pills, not squircle */

/* ---------- header ---------- */
header.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 20px;
  background: var(--bg-elevated);
  background: color-mix(in srgb, var(--bg-elevated) 78%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--sep);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; color: var(--text); flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; corner-shape: squircle;
  background: linear-gradient(155deg, #0a84ff, #0040dd);
  color: #fff; font-size: 14px; flex: 0 0 auto;
}
header nav { display: flex; gap: 2px; flex-wrap: wrap; align-items: center; overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none; }
header nav::-webkit-scrollbar { display: none; }
header nav a, header nav .navlink {
  color: var(--muted); padding: 6px 12px; border-radius: 8px; corner-shape: squircle;
  font-size: 13.5px; font-weight: 500; white-space: nowrap; transition: background .15s ease, color .15s ease;
}
header nav a.on { background: var(--accent); color: #fff; }
header nav a:hover { text-decoration: none; background: var(--sep); color: var(--text); }
header nav a.on:hover { background: var(--accent-hover); color: #fff; }
header nav .link { color: var(--muted); }
header nav .link:hover { color: var(--err); background: var(--sep); }

main { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }

/* ---------- cards & layout ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  padding: 20px 22px;
  margin-bottom: 16px;
}
.card.narrow { max-width: 640px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

h1 { margin: 0 0 4px; font-size: 26px; font-weight: 650; letter-spacing: -0.02em; }
h2 { margin: 0 0 14px; font-size: 16px; font-weight: 650; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
p { margin: 0 0 10px; }

/* ---------- forms ---------- */
label { display: block; margin: 12px 0; font-size: 13px; color: var(--muted); font-weight: 450; }
input, select, textarea {
  display: block; width: 100%; margin-top: 5px; padding: 10px 12px;
  border: 1px solid var(--input-border); background: var(--input-bg); color: var(--text);
  font: inherit; font-size: 14.5px; transition: border-color .15s ease, box-shadow .15s ease;
}
input::placeholder, textarea::placeholder { color: var(--muted-2); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3.5px color-mix(in srgb, var(--accent) 22%, transparent);
}
textarea { resize: vertical; font-family: inherit; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 620px) { .row { grid-template-columns: 1fr; } }

/* ---------- buttons ---------- */
button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border: 1px solid transparent; background: var(--sep); color: var(--text);
  font: inherit; font-size: 14px; font-weight: 550; cursor: pointer; margin: 6px 0;
  transition: transform .1s ease, background .15s ease, opacity .15s ease;
}
button:hover, .btn:hover { text-decoration: none; opacity: .88; }
button:active, .btn:active { transform: scale(.97); }
button.primary, .btn.primary { background: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-hover); }
button.secondary { background: var(--sep); }
button.danger { background: var(--err-bg); color: var(--err); }
button.small, .btn.small { padding: 4px 10px; font-size: 12.5px; margin: 0; border-radius: var(--radius-sm); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; margin: 0; font-weight: 500; }
button.link:hover { text-decoration: underline; opacity: 1; }
button.copy { border: 0; background: none; padding: 0 3px; margin: 0; color: var(--muted-2); font-size: 13px; cursor: pointer; border-radius: 4px; }
button.copy:hover { color: var(--accent); opacity: 1; }
button:disabled { opacity: .5; cursor: default; transform: none; }
form.inline { display: inline; }

/* ---------- banners / toasts ---------- */
.banner {
  padding: 12px 16px; border-radius: var(--radius-md); corner-shape: squircle; margin-bottom: 14px;
  background: var(--ok-bg); color: var(--ok); font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.banner.err { background: var(--err-bg); color: var(--err); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner a { color: inherit; text-decoration: underline; font-weight: 600; }

/* ---------- pills / badges ---------- */
.pill { display: inline-flex; align-items: center; padding: 2px 10px; font-size: 11.5px; font-weight: 600; background: var(--sep); color: var(--muted); vertical-align: middle; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.err { background: var(--err-bg); color: var(--err); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }

/* ---------- text helpers ---------- */
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.subtitle { color: var(--muted); font-size: 13px; margin: -8px 0 14px; }

/* ---------- tables ---------- */
.tablewrap { overflow-x: auto; margin: 0 -4px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--sep); vertical-align: middle; font-size: 13.5px; }
th { font-size: 11.5px; font-weight: 600; color: var(--muted-2); text-transform: none; }
tbody tr:last-child td { border-bottom: 0; }
table.kv th { width: 34%; color: var(--muted); font-weight: 500; font-size: 13px; }
table.kv td { font-size: 13.5px; }

pre { background: var(--sep); padding: 10px 12px; border-radius: var(--radius-sm); overflow-x: auto; font-size: 12.5px; white-space: pre-wrap; word-break: break-word; }
code { background: var(--sep); padding: 1px 6px; border-radius: 6px; font-size: 12.5px; word-break: break-all; }
details summary { cursor: pointer; color: var(--accent); font-size: 13.5px; font-weight: 500; }
details summary:hover { text-decoration: underline; }
ol, ul { padding-left: 20px; margin: 8px 0; }
li { margin: 4px 0; }

/* ---------- login ---------- */
body.center { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 20px; }
.login { width: 100%; max-width: 340px; text-align: center; }
.login .mark {
  width: 56px; height: 56px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center;
  border-radius: 16px; corner-shape: squircle; background: linear-gradient(155deg, #0a84ff, #0040dd);
  color: #fff; font-size: 26px;
}
.login h1 { font-size: 20px; margin-bottom: 4px; }
.login label { text-align: left; }

.secret { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .02em; }

/* misc */
.copy-ok { color: var(--ok) !important; }