/* Auth modal + viewport-fixed controls — cyberpunk theme */
.viewport-auth {
    position: fixed;
    top: 10px;
    right: 12px;
    z-index: 1300;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    max-width: min(320px, calc(100vw - 24px));
    pointer-events: none;
}

.header-auth-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.45rem;
    pointer-events: auto;
}

.auth-btn-solo,
.auth-user-solo {
    flex-shrink: 0;
}

.auth-btn-solo {
    min-height: 34px;
    padding: 0.45rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    border: 1px solid rgba(0, 255, 255, 0.54);
    border-radius: var(--radius-sm, 6px);
    background:
        linear-gradient(135deg, rgba(10, 18, 32, 0.76), rgba(20, 26, 42, 0.58)),
        rgba(4, 8, 14, 0.48);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.07),
        0 0 18px rgba(0, 255, 255, 0.14);
    color: rgba(240, 249, 255, 0.94);
}

.auth-btn-solo:hover {
    border-color: rgba(0, 255, 255, 0.92);
    color: #ffffff;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.12),
        0 0 24px rgba(0, 255, 255, 0.26);
    transform: translateY(-1px);
}

.header-auth-wrap {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.28rem 0.35rem;
    border-radius: var(--radius-md, 12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background:
        linear-gradient(135deg, rgba(11, 15, 26, 0.88), rgba(18, 20, 31, 0.72)),
        rgba(4, 4, 8, 0.55);
    box-shadow:
        0 8px 28px rgba(0, 0, 0, 0.35),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
}

.header-auth-wrap .btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    min-height: 36px;
}

.header-auth-wrap .btn-ghost {
    background: rgba(0, 255, 255, 0.06);
    border: 1px solid rgba(0, 255, 255, 0.28);
    color: var(--cyan, #00f0ff);
}

.header-auth-wrap .btn-secondary {
    background: rgba(255, 0, 170, 0.1);
    border: 1px solid rgba(255, 0, 170, 0.35);
    color: #ff8fd9;
}

.header-auth-wrap .auth-admin-link {
    position: static;
    top: auto;
    right: auto;
    min-height: 36px;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
}

.header-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 255, 255, 0.22);
    background: rgba(0, 0, 0, 0.35);
    max-width: 140px;
}

.header-user-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan, #00f0ff);
    box-shadow: 0 0 10px var(--cyan, #00f0ff);
    flex-shrink: 0;
}

.header-user-name {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.92);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.auth-modal-content {
    width: min(440px, calc(100vw - 2rem));
    padding: 1.75rem 1.5rem 1.5rem;
}

.auth-modal-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.auth-modal-top .tech-hud-tag {
    flex: 1 1 auto;
    min-width: 0;
}

.auth-modal-content .auth-modal-close {
    position: static;
    top: auto;
    right: auto;
    flex-shrink: 0;
    margin-top: -0.1rem;
}

.auth-modal-header {
    margin-bottom: 1rem;
}

.auth-modal-title {
    margin: 0.35rem 0 0.25rem;
    font-size: 1.35rem;
    color: #fff;
}

.auth-modal-subtitle {
    margin: 0;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.5;
}

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.auth-tab {
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.72);
    cursor: pointer;
    font-size: 0.9rem;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.auth-tab.active {
    border-color: rgba(0, 255, 255, 0.45);
    color: var(--cyan, #00f0ff);
    background: rgba(0, 255, 255, 0.08);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.auth-field label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.72);
}

.auth-field input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-field input:focus {
    border-color: rgba(0, 255, 255, 0.45);
    box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.12);
}

.auth-error {
    margin: 0;
    font-size: 0.85rem;
    color: #ff7b9c;
    line-height: 1.45;
}

.auth-submit {
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .viewport-auth {
        right: 8px;
        max-width: calc(100vw - 16px);
    }

    .header-auth-stack {
        gap: 0.38rem;
    }

    .auth-btn-solo {
        min-height: 32px;
        padding: 0.38rem 0.62rem;
        font-size: 0.76rem;
    }

    .header-auth-wrap {
        gap: 0.4rem;
        padding: 0.22rem 0.28rem;
    }

    .header-auth-wrap .btn,
    .header-auth-wrap .auth-admin-link {
        padding: 0.38rem 0.62rem;
        font-size: 0.76rem;
        min-height: 32px;
    }

    .header-user-chip {
        max-width: 96px;
    }
}

@media (max-width: 480px) {
    .viewport-auth {
        right: 6px;
    }

    .header-auth-wrap .auth-btn-register,
    .header-auth-wrap .auth-admin-link {
        padding-inline: 0.55rem;
    }
}

/* Admin users monitor */
.admin-users-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.admin-stat-card {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.admin-stat-card strong {
    display: block;
    font-size: 1.35rem;
    color: #fff;
}

.admin-stat-card span {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.62);
}

.admin-users-table-wrap {
    overflow-x: auto;
}

.admin-users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.admin-users-table th,
.admin-users-table td {
    padding: 0.65rem 0.55rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    vertical-align: middle;
}

.admin-users-table th {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
}

.admin-users-table tr.is-disabled td {
    opacity: 0.55;
}

.admin-user-badge {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.72rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.admin-user-badge.disabled {
    border-color: rgba(255, 100, 120, 0.45);
    color: #ff8fa0;
}

.admin-user-badge.active {
    border-color: rgba(0, 255, 170, 0.35);
    color: #7dffd8;
}

.admin-recent-logins {
    margin-top: 1rem;
}

.admin-recent-logins ul {
    margin: 0.35rem 0 0;
    padding-left: 1.1rem;
    color: rgba(255, 255, 255, 0.78);
}

.admin-recent-logins li {
    margin-bottom: 0.25rem;
}