/* === Auth Screen === */
.auth-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* Subtle card-suit background pattern */
.auth-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(233,69,96,.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(34,197,94,.04) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(255,215,0,.03) 0%, transparent 40%);
  pointer-events: none;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--bg2);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: clamp(24px, 5vw, 40px);
  box-shadow: var(--shadow), 0 0 80px rgba(233,69,96,.08);
}

.auth-logo {
  text-align: center;
  font-size: 1.6em;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -.02em;
}

.auth-subtitle {
  text-align: center;
  font-size: .75em;
  color: var(--text2);
  margin-bottom: 24px;
}

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.auth-tab {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: .8em;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}

.auth-tab.active {
  background: rgba(233,69,96,.12);
  color: var(--accent);
}

.auth-tab:hover:not(.active) {
  background: rgba(255,255,255,.03);
}

/* Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.auth-field label {
  font-size: .7em;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.auth-field input {
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text);
  font-size: .85em;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}

.auth-field input:focus {
  border-color: var(--accent);
}

.auth-field input::placeholder {
  color: rgba(154,154,176,.5);
}

/* Submit button */
.auth-submit {
  padding: 12px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: .85em;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  margin-top: 4px;
}

.auth-submit:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(233,69,96,.25);
}

.auth-submit:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* Error message */
.auth-error {
  font-size: .75em;
  text-align: center;
  min-height: 1.2em;
  color: var(--accent);
  font-weight: 600;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}

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

.auth-divider span {
  font-size: .7em;
  color: var(--text2);
  text-transform: uppercase;
}

/* Guest button */
.auth-guest {
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text);
  font-size: .8em;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
}

.auth-guest:hover {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.15);
}

.auth-hint {
  text-align: center;
  font-size: .65em;
  color: var(--text2);
  margin-top: 8px;
  opacity: .7;
}

/* === User Badge in Top Bar === */
.user-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(233,69,96,.1);
  border: 1px solid rgba(233,69,96,.2);
  border-radius: 6px;
  font-size: .7em;
  font-weight: 600;
  color: var(--text);
  cursor: default;
}

.user-badge .user-icon {
  font-size: 1.1em;
}

.btn-login {
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.25);
  border-radius: 4px;
  color: var(--green);
  font-size: .6em;
  font-weight: 700;
  padding: 2px 8px;
  cursor: pointer;
  font-family: inherit;
  margin-left: 4px;
  transition: all .2s;
}

.btn-login:hover {
  background: rgba(34,197,94,.2);
  border-color: var(--green);
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: var(--text2);
  font-size: .6em;
  padding: 2px 8px;
  cursor: pointer;
  font-family: inherit;
  margin-left: 4px;
  transition: all .2s;
}

.btn-logout:hover {
  background: rgba(233,69,96,.1);
  border-color: var(--accent);
  color: var(--accent);
}

/* === Leaderboard Panel === */
.leaderboard-table {
  width: 100%;
  font-size: .65em;
  border-collapse: collapse;
}

.leaderboard-table th {
  font-size: .85em;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 6px 4px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.leaderboard-table td {
  padding: 6px 4px;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,.03);
}

.leaderboard-table tr.is-me {
  background: rgba(233,69,96,.06);
}

.leaderboard-table tr.is-me td {
  font-weight: 700;
  color: var(--gold);
}

.leaderboard-rank {
  font-weight: 800;
  color: var(--text2);
  width: 28px;
}

.leaderboard-rank-1 { color: var(--gold); }
.leaderboard-rank-2 { color: #c0c0c0; }
.leaderboard-rank-3 { color: #cd7f32; }

.leaderboard-pnl-pos { color: var(--green); font-weight: 700; }
.leaderboard-pnl-neg { color: var(--accent); font-weight: 700; }

.leaderboard-empty {
  text-align: center;
  color: var(--text2);
  font-size: .75em;
  padding: 30px 10px;
}

.leaderboard-login-hint {
  text-align: center;
  padding: 16px;
  font-size: .7em;
  color: var(--text2);
  border-top: 1px solid var(--glass-border);
  margin-top: 12px;
}