:root {
  --bg: #0b0d10;
  --bg-elev: #14181d;
  --bg-input: #1a1f25;
  --fg: #e6e8eb;
  --fg-dim: #9aa3ad;
  --fg-faint: #6b7480;
  --accent: #6ee7b7;
  --accent-strong: #34d399;
  --danger: #fca5a5;
  --warning: #fcd34d;
  --line: #232932;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(ellipse at top, #16202b 0%, var(--bg) 60%);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.logo-row {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
}
.logo {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #93c5fd);
  color: #0b0d10; font-weight: 800; font-size: 1.05rem;
}

.card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.hidden { display: none !important; }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  padding: 4px;
  border-radius: 10px;
  margin-bottom: 18px;
}
.tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--fg-dim);
  padding: 8px 12px;
  border-radius: 8px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.tab:hover { color: var(--fg); }
.tab.active {
  background: var(--bg-elev);
  color: var(--fg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Forms */
form label { display: block; margin-bottom: 10px; }
form input, form textarea {
  width: 100%;
  background: var(--bg-input);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
form input::placeholder, form textarea::placeholder { color: var(--fg-faint); }
form input:focus, form textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
}
form textarea { resize: vertical; min-height: 90px; font-family: var(--sans); }

.primary {
  width: 100%;
  margin-top: 4px;
  padding: 11px 16px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #0b0d10;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  transition: filter 0.12s, transform 0.05s;
}
.primary:hover { filter: brightness(1.06); }
.primary:active { transform: translateY(1px); }
.primary[disabled] { opacity: 0.6; cursor: progress; }

.btn {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-input);
  color: var(--fg);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.12s, border-color 0.12s;
}
.btn:hover { border-color: var(--accent-strong); color: var(--fg); }
.btn.ghost { background: transparent; }

.form-msg { margin: 12px 0 0; min-height: 1.2em; font-size: 0.88rem; color: var(--fg-dim); }
.form-msg.ok    { color: var(--accent); }
.form-msg.err   { color: var(--danger); }
.form-msg.warn  { color: var(--warning); }

/* Logged-in card */
.me-greeting {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 18px;
}
.avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #93c5fd);
  color: #0b0d10; font-weight: 800; font-size: 1.05rem;
  display: grid; place-items: center;
}
.me-name { font-weight: 600; }
.me-mode { color: var(--fg-dim); font-size: 0.85rem; margin-top: 2px; display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-sim  { background: var(--accent-strong); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2); }
.dot-live { background: var(--danger);        box-shadow: 0 0 0 3px rgba(252, 165, 165, 0.2); }
.me-actions { display: flex; gap: 8px; }
.muted-tiny { color: var(--fg-faint); font-size: 0.78rem; margin: 14px 0 0; }