/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --bg: #0f1724;
  --color: #93acc5;
  --color-hi: #b1c5da;
  --color-hi2: #deedfe;
  --selection: #9ab0c8;
  --panel: #0b1220;
  --muted: #9aa4b2;
  --group-title-bg: #292929;
  --accent: #ff7a59;
  --positive-accent: #319d26;
  --bright-positive-accent: #66bb6a;
  --card: #0f1728;
  --window-back: #263344;
  --area: rgba(255, 255, 255, 0.07);
  --area-head: rgba(255, 255, 255, 0.11);
  --glass: rgba(255, 255, 255, 0.07);
  --glass-hover: rgba(255, 255, 255, 0.2);
  --glass-text: #c7d2e1;
  --glass-border: rgba(235, 235, 255, 0.11);
  --glass-border-selected: rgba(255, 255, 255, 0.8);
}

/* ── Base ──────────────────────────────────────────────────── */
html, body {
  height: 100%;
  margin: 0;
  font-family: Inter, system-ui, Segoe UI, Roboto, "Helvetica Neue", Arial;
  color: var(--color);
  background-color: #021826;
}
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ───────────────────────────────────────────────── */
header {
  color: black;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0.3em 0.7em;
}
#page-title {
  font-size: 48px;
  font-weight: 700;
  font-family: "Quicksand", "Nunito", "Rubik", "Poppins", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #fafafa;
  text-shadow: -2px -2px 0px #878699;
  padding-right: 0.5em;
}
#page-title a {
  color: inherit;
  text-decoration: none;
}

/* ── Header auth ──────────────────────────────────────────── */
.header-auth {
  display: flex;
  align-items: center;
  gap: 0.3em;
}
.auth-btn {
  border-radius: 4px;
  border: 1px solid var(--glass-border);
  background-color: var(--glass);
  color: var(--muted);
  cursor: pointer;
  margin: 0 0.25em;
  font-size: 14px;
  height: 2.2em;
  padding-left: 0.9em;
  padding-right: 1em;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
}
.auth-btn:hover {
  background-color: var(--glass-hover);
  border-color: var(--glass-border-selected);
}
.auth-btn svg,
.auth-btn img {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}
#signUpBtn img {
  width: 1.5em;
  height: 1.5em;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  margin-top: auto;
  padding: 1.5rem 1rem;
  background: var(--panel);
  border-top: 1px solid var(--glass-border);
  color: var(--muted);
  font-size: 14px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.25rem;
}
.footer-nav a {
  color: var(--color);
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-nav a:hover {
  color: var(--accent);
}
.footer-copyright {
  color: var(--muted);
  font-size: 13px;
}

/* ── Shared content page layout ───────────────────────────── */
.page-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2em 1.5em;
  margin: 0 0.7em;
  background-color: var(--area);
}