:root {
  --bg: #0c0c12;
  --card: #111120;
  --border: #252340;
  --border-active: #7c68d0;
  --text: #b0b0cc;
  --text-dim: #42405e;
  --accent: #a78bfa;
  --neon: #c4b5fd;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }

body {
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  font-size: 13px;
  background:
    radial-gradient(ellipse at 50% 0%,   #1a1830 0%, transparent 65%),
    radial-gradient(ellipse at 100% 100%, #0f0e1e 0%, transparent 60%),
    #080810;
  min-height: 100vh;
  color: var(--text);
}

/* ── NAVBAR ─────────────────────────────────────────────────────────── */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
}

.nav-tabs {
  display: flex;
  align-items: center;
  background: rgba(17, 17, 32, 0.94);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 5px;
  gap: 2px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* icon variant:
.tab {
  padding: 0 6px;
}
*/

.tab {
  background: transparent;
  border: none;
  border-radius: 20px;
  min-width: 44px;
  height: 44px;
  padding: 0 18px;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.tab:hover { color: var(--text); }
.tab.active { background: var(--border); color: var(--accent); }

.readme-btn { text-decoration: none; display: inline-flex; align-items: center; }

.profile-area { position: relative; }

.profile-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(17, 17, 32, 0.94);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color .15s, color .15s;
}

.profile-btn:hover,
.profile-btn.open { border-color: var(--border-active); color: var(--accent); }

.profile-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 256px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  z-index: 101;
  display: none;
  flex-direction: column;
  gap: 8px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.profile-popover.open { display: flex; }

.pi-info { display: flex; flex-direction: column; gap: 3px; }
.pi-label { font-size: 10px; color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase; }
.pi-name  { color: var(--accent); word-break: break-all; }
.pi-sub   { font-size: 11px; color: var(--text-dim); word-break: break-all; }

.pi-meta {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  color: var(--text-dim);
}

.pi-action {
  display: block;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 12px;
  transition: border-color .15s, color .15s;
}

.pi-action:hover  { border-color: var(--border-active); color: var(--text); }
.pi-logout:hover  { border-color: #5c2e2e; color: #e87a7a; }

/* ── LOGIN SCREEN ────────────────────────────────────────────────────── */

.login-screen {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 24px 20px;
}

/* card sits in the top flex zone, centered within it */
.login-card-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.login-card {
  background: var(--card);
  border: 1.5px solid var(--border-active);
  border-radius: 16px;
  padding: 44px 40px 36px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  text-align: center;
}

.login-logo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--text);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.login-domain {
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: .04em;
  margin-bottom: 36px;
  transition: color .15s;
  display: block;
}

.login-domain:hover { color: var(--text); }

.login-btn {
  display: block;
  width: 100%;
  padding: 14px;
  margin-bottom: 0;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.login-btn:hover { background: #161622; border-color: var(--border-active); }

/* ── APP DESCRIPTION ─────────────────────────────────────────────────── */

.app-about {
  max-width: 380px;
  text-align: center;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
  padding-bottom: 20px;
}

/* ── DIVIDER ─────────────────────────────────────────────────────────── */

.login-divider {
  width: 100%;
  max-width: 380px;
  display: flex;
  align-items: center;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.login-divider-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  margin: 0 -1px; /* lines run flush to circle edge */
}

/* ── APP CONTENT ─────────────────────────────────────────────────────── */

.app-content {
  min-height: calc(100vh - 86px);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── ERROR BANNER ────────────────────────────────────────────────────── */

.error-banner {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(70, 30, 30, .9);
  border: 1px solid #5c2e2e;
  border-radius: 10px;
  padding: 10px 16px;
  color: #e87a7a;
  font-size: 12px;
  z-index: 200;
  white-space: nowrap;
  max-width: calc(100vw - 32px);
  backdrop-filter: blur(8px);
}