:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1c2430;
  --muted: #6b7480;
  --line: #d0d5dc;
  --zebra: #f7f8fa;
  --brand: #b5121b;      /* Sturgis red */
  --seg: #2b3440;        /* dark segment band */
  --ok: #1f9d57;
  --ok-bg: #e3f6ec;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
}
.view { min-height: 100%; }
[hidden] { display: none !important; }

/* ---- Login ---- */
#view-login { display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
  background: var(--card); border-radius: 14px; padding: 28px 24px;
  width: 100%; max-width: 380px; box-shadow: 0 6px 24px rgba(0,0,0,.08);
}
.login-card h1 { margin: 0; color: var(--brand); font-size: 30px; }
.login-card .sub { margin: 4px 0 20px; color: var(--muted); }
.login-card label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
.login-card input {
  display: block; width: 100%; margin-top: 6px; padding: 14px;
  font-size: 20px; border: 1px solid var(--line); border-radius: 10px;
}
.error { color: var(--brand); margin: 12px 0 0; }
.btn-primary {
  display: inline-block; background: var(--brand); color: #fff; border: none;
  padding: 16px 20px; border-radius: 10px; font-size: 19px; font-weight: 700;
  text-decoration: none; cursor: pointer; width: 100%; text-align: center;
}

/* ---- Sticky header stack (topbar + tabs + toolbar + letters) ---- */
.appheader {
  position: sticky; top: 0; z-index: 10; background: var(--card);
  max-width: 620px; margin: 0 auto; box-shadow: 0 2px 5px rgba(0,0,0,.07);
}

.topbar {
  display: flex; align-items: center; gap: 10px;
  background: var(--brand); color: #fff; padding: 7px 12px;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: .3px; }
.spacer { flex: 1; }
.btn-plain {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6);
  padding: 6px 11px; border-radius: 8px; font-size: 15px;
}

/* sort selector in the red header */
.sortsel { display: inline-flex; background: rgba(255,255,255,.16); border-radius: 999px; padding: 2px; }
.sortsel button {
  border: none; background: transparent; color: #fff;
  font-size: 13px; font-weight: 700; padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}
.sortsel button.active { background: #fff; color: var(--brand); }

.tabs {
  display: flex; gap: 6px; padding: 7px 10px; overflow-x: auto;
  border-bottom: 1px solid var(--line);
}
.tab {
  flex: 0 0 auto; padding: 8px 13px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  font-size: 14px; font-weight: 600; white-space: nowrap;
}
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

.toolbar { display: flex; align-items: center; gap: 10px; padding: 8px 10px; }
.search {
  flex: 1; padding: 10px 12px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff;
}
.count { color: var(--muted); font-size: 14px; white-space: nowrap; font-weight: 600; }
.btn-dl {
  flex: 0 0 auto; text-decoration: none; white-space: nowrap;
  background: var(--brand); color: #fff; padding: 9px 12px;
  border-radius: 8px; font-size: 14px; font-weight: 700;
}

/* A–Z jump bar */
.letters {
  display: flex; gap: 1px; overflow-x: auto; padding: 3px 6px;
  background: #eef1f4; border-bottom: 1px solid var(--line);
}
.letters button {
  flex: 0 0 auto; min-width: 27px; height: 27px;
  border: none; background: transparent; color: var(--brand);
  font-size: 13px; font-weight: 800; border-radius: 6px;
}
.letters button:active { background: #dbe0e6; }

/* ---- List ---- */
.panel { max-width: 620px; margin: 0 auto; padding: 0 0 40px; }
.grid { background: var(--card); }

.seg {
  background: var(--seg); color: #fff; font-weight: 800;
  font-size: 13px; letter-spacing: 2px; padding: 4px 12px;
  scroll-margin-top: 150px;
}

.row {
  display: flex; align-items: center; gap: 12px;
  padding: 7px 12px; min-height: 42px;
  border-bottom: 1px solid var(--line); cursor: pointer;
}
.row:nth-child(even) { background: var(--zebra); }
.row.done { background: var(--ok-bg); }

.check {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 7px;
  border: 2px solid #b9c0c9; background: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; line-height: 1; color: transparent;
}
.row.done .check { background: var(--ok); border-color: var(--ok); color: #fff; }

.name {
  flex: 1; min-width: 0; font-weight: 600; font-size: 15px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.row.done .name { color: #14603a; }
.ord {
  flex: 0 0 auto; text-align: right; color: var(--muted);
  font-size: 13px; font-variant-numeric: tabular-nums;
}

.empty { text-align: center; color: var(--muted); padding: 36px 0; }

/* ---- Mailed ---- */
.mailed-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px; text-align: center; max-width: 480px; margin: 20px auto;
}
.mailed-box p { font-size: 18px; line-height: 1.5; }

/* ---- Admin settings ---- */
.settings-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; max-width: 520px; margin: 16px auto;
}
.settings-box h2 { margin: 0 0 6px; font-size: 18px; }
.acct {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 14px 0; border-top: 1px solid var(--line); margin-top: 12px;
}
.acct-id { flex: 1 1 150px; min-width: 130px; }
.acct-role {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  background: #eef1f4; color: var(--muted); padding: 2px 7px; border-radius: 999px; font-weight: 700;
}
.acct-email { color: var(--muted); font-size: 13px; margin-top: 3px; }
.acct-pass {
  flex: 1 1 150px; padding: 10px 12px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 8px;
}
.acct-save {
  flex: 0 0 auto; background: var(--brand); color: #fff; border: none;
  padding: 10px 16px; border-radius: 8px; font-weight: 700; font-size: 15px;
}
.settings-msg { color: var(--ok); font-weight: 700; margin: 12px 0 0; }