/* ── Header ──────────────────────────────────────────────────────────────── */
header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ── Logo ────────────────────────────────────────────────────────────────── */
.logo {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    letter-spacing: -0.3px;
    font-family: 'Poppins', sans-serif;
}
.logo-hub {
    font-size: 0.75em;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 2px;
}
.logo-badge {
    font-size: 0.65em;
    background: var(--accent);
    color: #fff;
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 8px;
    letter-spacing: 0.01em;
}

/* ── Nav ─────────────────────────────────────────────────────────────────── */
nav {
    display: flex;
    gap: 20px;
    align-items: center;
}
nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: color var(--transition);
}
nav a:hover { color: var(--text-primary); }
nav a.active { color: var(--accent); }

/* ── Auth nav ────────────────────────────────────────────────────────────── */
.nav-login  { }
.nav-account { display: none; }
.nav-account-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── Auth Modal ──────────────────────────────────────────────────────────── */
.cp-auth-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.cp-auth-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px 28px 24px;
    width: 100%;
    max-width: 360px;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.cp-auth-close {
    position: absolute;
    top: 12px;
    right: 14px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    line-height: 1;
    transition: color var(--transition);
}
.cp-auth-close:hover { color: var(--text-primary); }
.cp-auth-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--text-primary);
}
.cp-auth-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 5px;
}
.cp-auth-input {
    width: 100%;
    box-sizing: border-box;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    padding: 8px 10px;
    font-family: inherit;
    margin-bottom: 14px;
    outline: none;
    transition: border-color var(--transition);
}
.cp-auth-input:focus { border-color: var(--accent); }
.cp-auth-btn {
    width: 100%;
    margin-top: 4px;
    padding: 9px;
    font-size: 13px;
    font-weight: 600;
}
.cp-auth-err {
    display: none;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 12px;
    padding: 8px 10px;
    margin-bottom: 14px;
}
.cp-auth-ok {
    display: none;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius);
    color: #22c55e;
    font-size: 12px;
    padding: 8px 10px;
    margin-bottom: 14px;
}
.cp-auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
    gap: 8px;
}
.cp-auth-links a {
    font-size: 11px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}
.cp-auth-links a:hover { color: var(--accent); }

/* ── OAuth buttons ───────────────────────────────────────────────────────── */
.cp-oauth-row {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}
.cp-oauth-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    padding: 8px 6px;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
    white-space: nowrap;
}
.cp-oauth-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.cp-oauth-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.cp-auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
    color: var(--text-muted);
    font-size: 11px;
}
.cp-auth-divider::before,
.cp-auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

@media (max-width: 400px) {
    .cp-auth-modal { padding: 24px 16px 20px; margin: 0 12px; }
    .cp-oauth-btn { font-size: 11px; padding: 7px 4px; }
}