/* Navbar auth slot: Sign In ↔ Welcome menu (uses session bt_auth_* from sign-in-up) */

#navAuthSlot .nav-signin-btn {
    text-decoration: none;
    white-space: nowrap;
}

/* Page CSS only styles a.nav-signin-btn; logged-in state uses a button */
nav ul li button.nav-auth-trigger.nav-signin-btn {
    background: linear-gradient(90deg, #38bdf8, #2563eb, #9333ea);
    color: white;
    padding: 10px 18px;
    border-radius: 999px;
    margin-left: 8px;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

nav ul li button.nav-auth-trigger.nav-signin-btn::after {
    display: none;
}

nav ul li button.nav-auth-trigger.nav-signin-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.4);
    color: white;
}

.nav-auth-dropdown {
    position: relative;
    display: inline-block;
}

button.nav-auth-trigger.nav-signin-btn {
    border: none;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    align-items: center;
    gap: 8px;
    display: inline-flex;
    vertical-align: middle;
}

.nav-auth-avatar {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
    display: grid;
    place-items: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.nav-auth-chevron {
    font-size: 0.65rem;
    margin-left: 2px;
    opacity: 0.95;
}

.nav-auth-trigger[aria-expanded="true"] .nav-auth-chevron {
    transform: rotate(180deg);
}

.nav-auth-chevron {
    transition: transform 0.2s ease;
}

.nav-auth-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 260px;
    background: #fff;
    color: #111827;
    border-radius: 14px;
    box-shadow: 0 14px 40px rgba(26, 54, 93, 0.22);
    border: 1px solid #e5e7eb;
    padding: 10px;
    z-index: 1100;
}

.nav-auth-panel-head {
    padding: 6px 8px 8px;
}

.nav-auth-panel-name {
    font-size: 0.92rem;
    display: block;
}

.nav-auth-panel-email {
    font-size: 0.78rem;
    color: #6b7280;
    word-break: break-all;
}

.nav-auth-hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 8px 0;
}

a.nav-auth-link,
button.nav-auth-logout {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: none;
    border-radius: 10px;
    background: transparent;
    font-family: inherit;
    font-size: 0.9rem;
    color: #374151;
    text-decoration: none;
    cursor: pointer;
    text-align: left;
    box-sizing: border-box;
}

a.nav-auth-link:hover,
button.nav-auth-logout:hover:not(:disabled) {
    background: #f0f7ff;
    color: #1a365d;
}

button.nav-auth-logout {
    color: #b91c1c;
}

button.nav-auth-logout:hover:not(:disabled) {
    background: #fef2f2;
    color: #991b1b;
}

.nav-auth-panel.is-hidden {
    display: none;
}

@media (max-width: 768px) {
    .nav-auth-panel {
        right: auto;
        left: 0;
    }
}