[hidden] { display: none !important; }

.auth-account-button {
    position: fixed;
    z-index: 80;
    top: max(12px, env(safe-area-inset-top));
    right: 12px;
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    gap: 7px;
    padding: 0 13px;
    border: 1px solid var(--line-border);
    border-radius: 999px;
    background: rgba(253, 252, 248, 0.94);
    color: var(--ink-main);
    font-family: inherit;
    font-size: 12px;
    letter-spacing: 1px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
}

.auth-account-button::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ink-light);
    content: "";
}

.auth-account-button.is-online::before { background: #64805a; }
.auth-account-button:hover { border-color: var(--cinnabar); color: var(--cinnabar); }

.auth-overlay {
    position: fixed;
    z-index: 120;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 18px;
    background: rgba(24, 22, 19, 0.35);
}

.auth-panel {
    width: min(100%, 460px);
    max-height: min(82vh, 700px);
    overflow: auto;
    padding: 10px 22px calc(24px + env(safe-area-inset-bottom));
    border: 1px solid var(--line-border);
    border-radius: 16px 16px 5px 5px;
    background: var(--bg-canvas);
    box-shadow: 0 -16px 50px rgba(0, 0, 0, 0.14);
}

.auth-panel-handle {
    width: 38px;
    height: 3px;
    margin: 2px auto 20px;
    border-radius: 2px;
    background: var(--line-border);
}

.auth-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.auth-panel-title {
    display: block;
    margin: 0;
    color: var(--ink-main);
    font-family: inherit;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 4px;
}

.auth-panel-note {
    display: block;
    margin-top: 7px;
    color: var(--ink-light);
    font-size: 12px;
    line-height: 1.7;
}

.auth-panel-close {
    min-width: 34px;
    min-height: 34px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--ink-light);
    font-size: 26px;
    line-height: 1;
}

.auth-field { margin-bottom: 18px; }
.auth-field label {
    display: block;
    margin-bottom: 7px;
    color: var(--ink-light);
    font-size: 12px;
    letter-spacing: 1px;
}

.auth-field input,
.auth-field select,
.auth-field textarea,
.admin-filter-input {
    width: 100%;
    padding: 10px 2px;
    border: 0;
    border-bottom: 1px solid #ccc;
    border-radius: 0;
    outline: none;
    background: transparent;
    color: var(--ink-main);
    font-family: inherit;
    font-size: 15px;
    box-sizing: border-box;
}

.auth-field textarea { min-height: 82px; resize: vertical; }
.auth-field input:focus,
.auth-field select:focus,
.auth-field textarea:focus,
.admin-filter-input:focus { border-bottom-color: var(--cinnabar); }

.auth-submit,
.auth-secondary,
.admin-action {
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid var(--ink-main);
    border-radius: 3px;
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 2px;
    cursor: pointer;
}

.auth-submit,
.admin-action.is-primary { background: var(--ink-main); color: #fff; }
.auth-secondary,
.admin-action { background: transparent; color: var(--ink-main); }
.auth-submit { width: 100%; }
.auth-submit:disabled,
.admin-action:disabled { opacity: 0.55; cursor: wait; }
.admin-action.is-danger { border-color: var(--cinnabar); color: var(--cinnabar); }

.auth-error {
    margin: -4px 0 16px;
    padding: 9px 11px;
    border-left: 3px solid var(--cinnabar);
    background: rgba(207, 56, 56, 0.06);
    color: var(--cinnabar);
    font-size: 12px;
    line-height: 1.6;
}

.auth-menu { border-top: 1px solid var(--line-faint); }
.auth-menu-link {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    padding: 0 2px;
    border: 0;
    border-bottom: 1px solid var(--line-faint);
    background: transparent;
    color: var(--ink-main);
    font-family: inherit;
    font-size: 14px;
    text-align: left;
    text-decoration: none;
}
.auth-menu-link::after { color: var(--ink-light); content: "›"; }
.auth-menu-link.is-logout { color: var(--cinnabar); }

.account-page,
.admin-page,
.register-page { padding-bottom: 36px; }

.account-shell,
.admin-shell,
.register-shell {
    width: min(92%, 760px);
    margin: 56px auto 0;
}

.account-shell,
.admin-shell,
.register-shell { margin-top: 0; }

.account-shell,
.register-shell { max-width: 560px; }

.account-page-head,
.admin-page-head {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    margin: 20px 0 18px;
    text-align: center;
}

.account-page-title,
.admin-page-title {
    margin: 0;
    color: var(--ink-main);
    font-size: 25px;
    letter-spacing: 5px;
}

.account-page-subtitle,
.admin-page-subtitle {
    margin: 6px 0 0;
    color: var(--ink-light);
    font-size: 12px;
}

.account-card,
.admin-card {
    margin-bottom: 14px;
    padding: 18px;
    border: 1px solid var(--line-faint);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.025);
}

.account-card-title,
.admin-card-title {
    margin: 0 0 13px;
    color: var(--ink-main);
    font-size: 16px;
    letter-spacing: 2px;
}

.account-facts,
.admin-facts { display: grid; gap: 0; }
.account-fact,
.admin-fact {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line-faint);
    font-size: 13px;
}
.account-fact:last-child,
.admin-fact:last-child { border-bottom: 0; }
.account-fact span:first-child,
.admin-fact span:first-child { color: var(--ink-light); }

.account-actions,
.admin-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
#adminEntry .admin-action { text-decoration: none; }

.session-item,
.user-item,
.invite-item,
.log-item,
.operation-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-faint);
}
.session-item:last-child,
.user-item:last-child,
.invite-item:last-child,
.log-item:last-child,
.operation-item:last-child { border-bottom: 0; }

.item-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}
.item-title { color: var(--ink-main); font-size: 15px; font-weight: 700; }
.item-subtitle,
.item-meta { margin-top: 5px; color: var(--ink-light); font-size: 11px; line-height: 1.6; }

.status-mark {
    flex: none;
    padding: 4px 8px;
    border: 1px solid var(--line-border);
    border-radius: 999px;
    color: var(--ink-light);
    font-size: 11px;
}
.status-mark.is-active { border-color: rgba(75, 113, 65, 0.28); color: #4b7141; }
.status-mark.is-danger { border-color: rgba(207, 56, 56, 0.25); color: var(--cinnabar); }
.status-mark.is-warning { border-color: rgba(163, 111, 34, 0.25); color: #8b642a; }

.admin-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
    padding: 4px;
    overflow-x: auto;
    border: 1px solid var(--line-faint);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.55);
}
.admin-nav button {
    min-width: 72px;
    flex: 1;
    padding: 9px 10px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--ink-light);
    font-family: inherit;
    font-size: 12px;
    white-space: nowrap;
}
.admin-nav button.is-active { background: var(--ink-main); color: #fff; }

.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.admin-stat {
    position: relative;
    min-height: 88px;
    padding: 15px;
    border: 1px solid var(--line-faint);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.78);
}
.admin-stat strong { display: block; font-size: 27px; font-weight: 400; }
.admin-stat span { display: block; margin-top: 8px; color: var(--ink-light); font-size: 11px; }
.admin-stat::after {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cinnabar);
    content: "";
}

.admin-toolbar { display: grid; gap: 10px; margin-bottom: 15px; }
.admin-filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-filter-chip {
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid var(--line-border);
    border-radius: 999px;
    background: transparent;
    color: var(--ink-light);
    font-family: inherit;
    font-size: 11px;
}
.admin-filter-chip.is-active { border-color: var(--ink-main); background: var(--ink-main); color: #fff; }
.admin-inline-form { display: grid; gap: 14px; }
.admin-two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.admin-empty { padding: 30px 10px; color: var(--ink-light); font-size: 12px; text-align: center; }
.admin-pager { display: flex; justify-content: center; gap: 10px; margin-top: 15px; }
.secret-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px;
    border: 1px dashed var(--cinnabar);
    background: rgba(207, 56, 56, 0.04);
    word-break: break-all;
}
.notice-line { margin: 12px 0; color: var(--ink-light); font-size: 12px; line-height: 1.7; }
.danger-text { color: var(--cinnabar); }

@media (min-width: 641px) {
    .auth-overlay { align-items: center; }
    .auth-panel { border-radius: 12px; }
    .admin-stat-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .account-shell,
    .admin-shell,
    .register-shell { width: auto; margin: 0 12px; }
    .account-shell > .sys-back-wrap,
    .admin-shell > .sys-back-wrap,
    .register-shell > .sys-back-wrap { margin-left: -12px; }
    .account-page-head,
    .admin-page-head { min-height: 56px; }
    .account-page-title,
    .admin-page-title { font-size: 22px; letter-spacing: 4px; }
    .admin-two-columns { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .auth-account-button { transition: none; }
}