/* ============================================================
   Utilities and Shared View Patterns
   ============================================================ */

.content-section--compact {
    padding-top: 40px !important;
}

.surface-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.surface-card--spacious {
    padding: var(--space-3);
}

.surface-card--sticky {
    position: sticky;
    top: 80px;
}

.search-box--wide {
    margin: 0 auto;
    max-width: 600px;
    width: 100%;
}

.search-box--wide input {
    font-size: 1rem;
    padding: 14px 20px;
}

.search-box--wide button {
    padding: 14px 24px;
}

.content-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: var(--space-2);
}

.content-card--relative {
    position: relative;
}

.content-card__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

.content-card__title--lg {
    font-size: 1.1rem;
}

.content-card__body {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.content-card__body--lg {
    font-size: 0.95rem;
}

.content-card__body--definition {
    font-size: 1rem;
    line-height: 2;
}

.code-block {
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.92rem;
    line-height: 1.8;
    padding: 20px;
    white-space: pre-wrap;
}

.media-frame {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.fluid-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.detail-kicker {
    margin-bottom: 12px;
}

.detail-title {
    font-size: clamp(1.5rem, 2.5vw, 1.8rem);
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.detail-title--xl {
    font-size: clamp(1.65rem, 3vw, 2rem);
    margin: 16px 0 8px;
}

.detail-summary {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: var(--space-3);
}

.detail-note {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.detail-meta {
    color: var(--color-text-secondary);
    font-size: 0.84rem;
}

.detail-meta--comfortable {
    font-size: 0.88rem;
}

.tool-external-note {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    margin: var(--space-1) 0 var(--space-2);
    text-align: center;
}

.detail-sidebar-title {
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 600;
    margin: 20px 0 10px;
}

.detail-sidebar-title--lg {
    font-size: 1rem;
    margin: 24px 0 12px;
}

.section-title--compact {
    font-size: 1.3rem;
}

.section-title--small {
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.title-sm {
    font-size: 1rem;
    font-weight: 600;
}

.profile-edit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.profile-header {
    margin-bottom: var(--space-5);
}

.profile-header--compact {
    margin-bottom: var(--space-4);
}

.profile-header-actions,
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.profile-visibility-note {
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    display: flex;
    font-size: var(--font-size-caption);
    gap: var(--space-1);
    margin-bottom: var(--space-3);
    padding: 12px 14px;
}

.profile-visibility-note > i {
    color: var(--color-brand-strong);
    font-size: 1.1rem;
}

.profile-visibility-note a {
    font-weight: 700;
    margin-left: auto;
    white-space: nowrap;
}

.profile-section-nav {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: grid;
    gap: var(--space-1);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: var(--space-1);
}

.profile-section-link {
    align-items: center;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    display: flex;
    font-weight: 600;
    gap: var(--space-1);
    justify-content: center;
    min-height: 44px;
    padding: 8px 12px;
    text-decoration: none;
}

.profile-section-link:hover,
.profile-section-link.active {
    background: var(--color-brand-soft);
    color: var(--color-brand-strong);
}

.profile-section-link > span {
    align-items: center;
    background: var(--color-surface);
    border-radius: var(--radius-pill);
    display: inline-flex;
    font-size: 0.75rem;
    height: 24px;
    justify-content: center;
    min-width: 24px;
    padding: 0 6px;
}

.profile-section-content {
    margin-top: var(--space-4);
}

.profile-subsection + .profile-subsection {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-5);
    padding-top: var(--space-4);
}

.profile-account-grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-account-list {
    display: grid;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
}

.profile-account-list > div {
    border-bottom: 1px solid var(--color-border);
    display: grid;
    gap: var(--space-2);
    grid-template-columns: minmax(100px, 0.4fr) 1fr;
    padding-bottom: var(--space-1);
}

.profile-account-list dt {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    font-weight: 600;
}

.profile-account-list dd {
    color: var(--color-text);
    margin: 0;
    overflow-wrap: anywhere;
}

.account-action-card {
    scroll-margin-top: 110px;
}

.account-action-card--danger {
    border-color: color-mix(in srgb, var(--color-danger) 45%, var(--color-border));
    grid-column: 1 / -1;
}

.account-action-card--danger .content-card__title {
    color: var(--color-danger);
}

.account-action-form {
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.account-action-form > div {
    width: 100%;
}

.account-action-form .form-control {
    max-width: 34rem;
}

.account-action-form .invalid-feedback:empty {
    display: none !important;
}

.profile-avatar-preview {
    align-items: center;
    color: var(--color-text-muted);
    display: flex;
    font-size: var(--font-size-caption);
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.profile-avatar-preview img,
.profile-avatar-preview .avatar-initials {
    border-radius: 50%;
    flex: 0 0 56px;
    height: 56px;
    object-fit: cover;
    width: 56px;
}

.profile-avatar-preview .avatar-initials {
    font-size: 1rem;
}

.card-actions-meta {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.card-actions-meta + .card-actions-meta {
    margin-left: 10px;
}

.card-author-meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    margin-top: var(--space-1);
}

.term-link {
    text-decoration: none;
}

.term-card--link {
    text-decoration: none;
}

.term-card--compact h3 {
    font-size: 0.9rem;
}

.term-card--compact-lg h3 {
    font-size: 0.95rem;
}

.letter-nav__disabled {
    opacity: 0.3;
    pointer-events: none;
}

.badge-tag--spaced {
    display: inline-block;
    margin-bottom: var(--space-3);
}

.btn-yz--sm {
    font-size: var(--font-size-caption);
    padding: 0.5rem 1rem;
}

.btn-yz--xs {
    font-size: var(--font-size-caption);
    padding: 0.375rem 0.75rem;
}

.btn-yz--toolbar {
    font-size: var(--font-size-caption);
    margin-left: auto;
    padding: 0.5rem 1rem;
}

.btn-yz--comment {
    font-size: var(--font-size-caption);
    padding: 0.5rem 1.25rem;
}

.btn-copy--detail {
    font-size: 0.9rem;
    padding: 10px 24px;
}

.copy-count--detail {
    font-size: 0.85rem;
}

.favorite-label {
    font-size: 0.84rem;
}

.favorite-label--comfortable {
    font-size: 0.88rem;
}

.text-muted-soft {
    color: var(--color-text-muted);
}

.text-muted-sm {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.text-secondary-sm {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
}

.text-positive {
    color: var(--color-success);
}

.text-negative {
    color: var(--color-danger);
}

.text-accent {
    color: var(--color-brand);
}

.text-accent-light {
    color: var(--color-brand-strong);
}

.is-hidden {
    display: none !important;
}

.reveal-target {
    will-change: opacity, transform;
}

.animate-delay-0 {
    --delay: 0s;
}

.animate-delay-1 {
    --delay: 0.1s;
}

.animate-delay-2 {
    --delay: 0.2s;
}

.animate-delay-3 {
    --delay: 0.3s;
}

.animate-delay-4 {
    --delay: 0.45s;
}

.stack-note {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.empty-state {
    color: var(--color-text-muted);
    padding: var(--space-4);
    text-align: center;
}

.empty-state--large {
    padding: 32px 0;
}

.empty-state__icon {
    color: var(--color-text-muted);
    display: block;
    font-size: 3rem;
    margin-bottom: var(--space-2);
}

.empty-state__icon--lg {
    font-size: 4rem;
}

.empty-state__icon--muted {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-1);
    opacity: 0.5;
}

.empty-state__text {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: var(--space-2);
}

.empty-state__title {
    color: var(--color-text);
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 var(--space-1);
}

.empty-state__description {
    color: var(--color-text-muted);
    margin: 0 auto;
    max-width: 520px;
}

.empty-state__action {
    margin-top: var(--space-3);
}

.site-breadcrumb {
    margin-bottom: 20px;
}

.site-breadcrumb__list {
    color: var(--color-text-muted);
    display: flex;
    gap: var(--space-1);
    font-size: 0.85rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-breadcrumb__current {
    color: var(--color-text);
}

.author-link {
    align-items: center;
    display: flex;
    gap: 10px;
    text-decoration: none;
}

.author-link--inline {
    color: var(--color-text-muted);
    display: inline-flex;
    font-size: 0.8rem;
    gap: 4px;
    margin-left: var(--space-1);
}

.author-link__name {
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 600;
}

.author-link__handle {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

.avatar {
    align-items: center;
    background: var(--gradient-card);
    border-radius: 50%;
    color: var(--color-brand);
    display: flex;
    flex-shrink: 0;
    justify-content: center;
    overflow: hidden;
}

.avatar--sm {
    font-size: 0.9rem;
    height: 32px;
    width: 32px;
}

.avatar img {
    border-radius: 50%;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.inline-divider {
    border-color: var(--color-border);
}

.inline-divider--strong {
    border-color: var(--color-border);
}

.review-existing__comment {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 8px 0 0;
}

.review-existing__pending {
    color: var(--color-text-muted);
    display: block;
    margin-top: 6px;
}

.review-login-icon {
    color: var(--color-brand);
    font-size: 1.5rem;
}

.review-login-title {
    font-weight: 500;
    margin: 0;
}

.review-login-copy {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin: 4px 0 0;
}

.review-list {
    margin-top: var(--space-4);
}

.review-card-date {
    color: var(--color-text-muted);
    margin-left: auto;
}

.comment-item {
    margin-bottom: var(--space-2);
}

.comment-item--depth-1 {
    margin-left: var(--space-4);
}

.comment-item--depth-2 {
    margin-left: var(--space-8);
}

.comment-item--depth-3 {
    margin-left: 96px;
}

.comment-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2);
}

.comment-author {
    color: var(--color-brand-strong);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.comment-time {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    margin-left: var(--space-1);
}

.comment-body {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.btn-reply-toggle {
    background: none;
    border: none;
    color: var(--color-brand-strong);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0;
}

.reply-form {
    margin-top: 10px;
}

.reply-textarea {
    font-size: 0.85rem !important;
}

.reply-submit {
    font-size: var(--font-size-caption);
    padding: 5px 14px;
}

.comment-login-prompt p {
    margin: 0;
}

.comments-section {
    margin-top: var(--space-1);
}

.comments-title {
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
}

.form-help {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    margin-bottom: 10px;
}

.form-field-meta {
    align-items: flex-start;
    display: flex;
    gap: var(--space-1);
    justify-content: space-between;
}

.form-field-meta--end {
    justify-content: flex-end;
}

.character-count,
.draft-status {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

.character-count {
    flex: 0 0 auto;
    margin-top: var(--space-1);
}

.submission-review-note {
    align-items: flex-start;
    background: var(--color-brand-soft);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
    padding: 14px;
}

.submission-review-note > i {
    color: var(--color-brand-strong);
    font-size: 1.25rem;
}

.submission-review-note strong {
    color: var(--color-text);
}

.submission-review-note p,
.draft-status {
    margin: 0;
}

.draft-status {
    margin-bottom: var(--space-1);
    text-align: center;
}

.prompt-status {
    max-width: 230px;
    text-align: right;
}

.status-explanation {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
    line-height: 1.4;
    margin: 6px 0 0;
}

.upload-input {
    display: none;
}

.upload-icon {
    color: var(--color-brand);
    font-size: 2.5rem;
}

.upload-title {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 8px 0 0;
}

.upload-note {
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

.upload-preview[hidden] {
    display: none;
}

.vote-btn,
.vote-btn-community {
    color: var(--color-text-muted);
}

.vote-btn.is-upvoted,
.vote-btn-community.is-upvoted {
    color: var(--color-success);
}

.vote-btn.is-downvoted,
.vote-btn-community.is-downvoted {
    color: var(--color-danger);
}

.vote-score.is-positive,
.vote-score-community.is-positive {
    color: var(--color-success);
}

.vote-score.is-negative,
.vote-score-community.is-negative {
    color: var(--color-danger);
}

.tool-featured-icon {
    color: var(--color-brand);
    font-size: 0.85rem;
}

.nav-link--primary {
    background: var(--color-brand-action);
    border-radius: var(--radius-sm);
    color: var(--color-on-brand) !important;
    font-weight: 600;
}

.navbar-yz .nav-link.nav-link--primary:hover,
.navbar-yz .nav-link.nav-link--primary:focus-visible {
    background: var(--color-brand-action-hover);
    box-shadow: var(--shadow-brand);
    color: var(--color-on-brand) !important;
}

.navbar-yz .nav-link.nav-link--primary:active {
    background: var(--color-brand-action-active);
    color: var(--color-on-brand) !important;
    transform: translateY(1px);
}

.nav-icon-spaced {
    padding-right: 5px;
}

.nav-dropdown-toggle {
    align-items: center;
    display: flex;
    gap: 6px;
}

.nav-dropdown-toggle--compact {
    padding: 6px 8px;
}

.nav-user-icon {
    font-size: 1.15rem;
}

.nav-dropdown-menu {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.nav-dropdown-menu--compact {
    min-width: 160px;
}

.dropdown-item--accent {
    color: var(--color-brand-strong) !important;
}

.dropdown-item--primary {
    color: var(--color-brand) !important;
    font-weight: 600;
}

.dropdown-item--danger {
    color: var(--color-danger) !important;
}

.mobile-menu-toggle,
.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle {
    padding: 4px;
}

.mobile-menu-toggle i {
    font-size: 1.4rem;
}

.mobile-menu-close {
    color: var(--color-text);
    font-size: 1.3rem;
}

.mobile-menu-brand {
    font-size: 1.1rem;
}

.mobile-menu-divider {
    border-color: var(--color-border);
    margin: 10px 0;
}

.mobile-nav-link--danger {
    color: var(--color-danger);
}

.mobile-menu-form {
    margin: 0;
}

.mobile-menu-form .mobile-nav-link {
    background: transparent;
    border: 0;
    text-align: left;
    width: 100%;
}

.mobile-nav-link--accent {
    color: var(--color-brand);
    font-weight: 600;
}

.footer-description {
    font-size: 0.9rem;
}

.footer-note {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.footer-power-logo {
    height: auto;
    max-height: 22px;
    object-fit: contain;
    transition: filter 0.2s;
    width: auto;
}

html[data-theme='dark'] .footer-power-logo,
html[data-theme='dark'] .ribanier-badge img {
    filter: invert(1);
}

.static-page__action {
    margin-top: var(--space-4);
    text-align: center;
}

.static-page__footer-note {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    text-align: center;
}

.contact-item__meta {
    font-size: 0.88rem;
    margin: 4px 0 0;
}

.updated-at {
    color: var(--color-text-muted);
}

.auth-page {
    background: var(--color-surface-subtle);
    min-height: 100vh;
}

.auth-shell { display: grid; grid-template-columns: minmax(420px, 1.05fr) minmax(480px, .95fr); min-height: 100vh; }
.auth-showcase {
    background: var(--color-brand-deep);
    color: var(--color-on-dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow: hidden;
    padding: clamp(28px, 4vw, 48px);
    position: relative;
}
.auth-brand { align-items: center; color: var(--color-on-dark); display: inline-flex; font-size: 1rem; font-weight: 700; gap: 10px; position: relative; width: fit-content; z-index: 2; }
.auth-brand:hover { color: var(--color-on-dark); }
.auth-brand-mark { align-items: center; display: flex; height: 34px; justify-content: center; width: 34px; }
.auth-showcase-content { margin: auto 0; max-width: 650px; position: relative; z-index: 2; }
.auth-eyebrow { align-items: center; border-left: 2px solid var(--color-brand-light); color: var(--color-on-dark-highlight); display: inline-flex; font-size: .75rem; font-weight: 700; gap: var(--space-1); letter-spacing: .06em; padding: 2px 0 2px 10px; text-transform: uppercase; }
.auth-showcase h2 { color: var(--color-on-dark); font-family: var(--font-family-body); font-size: clamp(2rem, 4vw, 3rem); font-weight: 750; letter-spacing: -.05em; line-height: 1.08; margin: 22px 0 18px; text-shadow: none; }
.auth-showcase h2 span { color: var(--color-brand-light); }
.auth-showcase-content > p { color: var(--color-on-dark-secondary); font-size: 1rem; line-height: 1.6; max-width: 540px; }
.auth-feature-grid { display: grid; gap: 0 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; }
.auth-feature-grid > div { border-top: 1px solid var(--color-glass); display: grid; gap: 2px 10px; grid-template-columns: 34px 1fr; padding: 12px 0; }
.auth-feature-grid i { align-items: center; color: var(--color-brand-light); display: flex; font-size: .95rem; grid-row: 1 / 3; height: 32px; justify-content: center; width: 32px; }
.auth-feature-grid strong { color: var(--color-on-dark); font-size: .86rem; }
.auth-feature-grid span { color: var(--color-on-dark-muted); font-size: var(--font-size-caption); line-height: 1.4; }
.auth-grid-pattern { display: none; }
.auth-orb { display: none; }
.auth-orb-one { background: var(--color-brand-vivid); height: 420px; right: -180px; top: -140px; width: 420px; }
.auth-orb-two { background: var(--color-accent-vivid); bottom: -230px; height: 500px; left: -180px; width: 500px; }
.auth-form-panel { align-items: flex-start; display: flex; justify-content: center; min-height: 100vh; padding: 32px clamp(24px, 5vw, 64px); }
.auth-form-wrap { margin-block: auto; max-width: 510px; width: 100%; }

body.is-mobile-menu-open {
    overflow: hidden;
}

.login-logo {
    margin-bottom: 30px;
    text-align: left;
}

.login-logo > i { display: none; }

.login-logo h2 {
    color: var(--color-text);
    font-weight: 700;
    margin-top: 10px;
}

.login-logo p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.auth-switch {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.auth-switch a {
    color: var(--color-brand);
}

.auth-page a:hover {
    text-decoration: underline;
}

.skip-link {
    background: var(--color-surface);
    border: 2px solid var(--color-focus);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    left: 12px;
    padding: 10px 14px;
    position: fixed;
    top: 12px;
    transform: translateY(-160%);
    z-index: 9999;
}

.skip-link:focus { transform: translateY(0); }

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.auth-home-link { align-items: center; color: var(--color-text-muted); display: inline-flex; font-size: .86rem; gap: 6px; margin-bottom: clamp(36px, 6vh, 68px); }
.login-logo h1 { font-size: clamp(1.9rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -.04em; margin: 0 0 10px; }
.auth-form-wrap .form-control { background: var(--color-surface) !important; border-color: var(--color-control-border) !important; min-height: 44px; }
.auth-form-wrap .form-control:hover { border-color: var(--color-control-border-hover) !important; }
.auth-form-wrap .auth-submit { min-height: 44px; }
.password-field { position: relative; }
.password-field .form-control { padding-right: var(--space-6); }
.password-toggle {
    align-items: center;
    background: transparent;
    border: 0;
    color: var(--color-text-muted);
    display: flex;
    height: 44px;
    justify-content: center;
    position: absolute;
    right: 2px;
    top: 0;
    width: 44px;
}
.caps-lock-warning {
    align-items: center;
    color: var(--color-warning);
    display: flex;
    font-size: .84rem;
    gap: 6px;
    margin-top: 6px;
}
.caps-lock-warning[hidden] { display: none; }

@media (max-width: 900px) {
    .auth-shell { display: block; }
    .auth-showcase { display: none; }
    .auth-form-panel { min-height: 100vh; padding: 28px 22px 44px; }
    .auth-form-wrap { max-width: 540px; }
    .auth-home-link { margin-bottom: 38px; }
}

@media (max-width: 480px) {
    .auth-form-panel { align-items: flex-start; padding: 22px 18px 36px; }
    .login-logo h1 { font-size: 1.8rem; }
}

/* Modern membership cards */
.auth-form-panel {
    background: var(--color-surface-subtle);
    overflow-x: hidden;
    position: relative;
}
.auth-form-panel::before {
    content: none;
}
.auth-form-wrap { max-width: 610px; position: relative; z-index: 1; }
.auth-home-link {
    background: transparent;
    border: 0;
    border-radius: 0;
    margin-bottom: 16px;
    padding: 6px 0;
}
.auth-card {
    backdrop-filter: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: none;
    padding: clamp(20px, 3vw, 28px);
    position: relative;
}
.auth-mode-tabs {
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: grid;
    gap: 4px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 22px;
    padding: 4px;
}
.auth-mode-tabs a {
    align-items: center;
    border-radius: 9px;
    color: var(--color-text-muted);
    display: flex;
    font-size: .88rem;
    font-weight: 700;
    gap: 7px;
    justify-content: center;
    min-height: 42px;
    padding: 8px 12px;
    text-decoration: none;
}
.auth-mode-tabs a:hover { background: var(--color-brand-faint); color: var(--color-text); text-decoration: none; }
.auth-mode-tabs a.is-active { background: var(--color-surface); box-shadow: var(--shadow-sm); color: var(--color-brand-strong); }
.auth-heading { align-items: flex-start; display: flex; gap: 12px; margin-bottom: 22px; }
.auth-heading__icon {
    align-items: center;
    background: var(--gradient-brand);
    border-radius: var(--radius-md);
    box-shadow: none;
    color: var(--color-on-brand);
    display: flex;
    flex: 0 0 auto;
    font-size: 1.1rem;
    height: 42px;
    justify-content: center;
    width: 42px;
}
.auth-kicker { color: var(--color-brand-strong); display: block; font-size: .75rem; font-weight: 800; letter-spacing: .08em; margin-bottom: 3px; text-transform: uppercase; }
.auth-heading h1 { color: var(--color-text); font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.15; margin: 0 0 8px; }
.auth-heading p { color: var(--color-text-muted); font-size: .92rem; line-height: 1.55; margin: 0; }
.auth-inline-notices { display: grid; gap: 10px; margin: -8px 0 22px; }
.auth-inline-notices .app-alert { box-shadow: none; }
.auth-inline-notices .app-alert__content { font-size: .84rem; }
.auth-inline-notices .app-alert__list { margin-top: 4px; }
.auth-form { display: grid; gap: 18px; }
.auth-field { min-width: 0; }
.auth-field-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.auth-field .form-label,
.auth-label-row .form-label { color: var(--color-text); font-size: .86rem; font-weight: 700; margin-bottom: 7px; }
.auth-label-row { align-items: center; display: flex; justify-content: space-between; }
.auth-label-row a { font-size: .82rem; font-weight: 700; margin-bottom: 7px; }
.auth-input-shell { position: relative; }
.auth-input-shell > i {
    color: var(--color-text-muted);
    font-size: 1rem;
    left: 15px;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}
.auth-form-wrap .auth-input-shell .form-control {
    border-radius: var(--radius-md);
    font-size: .92rem;
    min-height: 50px;
    padding-left: 44px;
}
.auth-form-wrap .auth-input-shell .form-control::placeholder { color: var(--color-text-muted); opacity: .72; }
.auth-form-wrap .auth-input-shell .form-control:focus { border-color: var(--color-brand) !important; box-shadow: 0 0 0 4px var(--color-focus-ring); }
.auth-input-shell.password-field .form-control { padding-right: 48px; }
.auth-input-shell .password-toggle { height: 48px; right: 2px; top: 1px; }
.auth-field-help { color: var(--color-text-muted); display: block; font-size: .76rem; line-height: 1.45; margin-top: 6px; }
.auth-form-wrap .auth-submit {
    align-items: center;
    border-radius: var(--radius-md);
    display: flex;
    font-weight: 800;
    justify-content: center;
    min-height: 52px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.auth-form-wrap .auth-submit:not(:disabled):hover { box-shadow: var(--shadow-brand); transform: translateY(-1px); }
.auth-form-wrap .auth-submit i { margin-left: 8px; }
.auth-separator { align-items: center; color: var(--color-text-muted); display: flex; font-size: .72rem; font-weight: 800; gap: 12px; letter-spacing: .08em; margin: 26px 0 18px; text-transform: uppercase; }
.auth-separator::before, .auth-separator::after { background: var(--color-border); content: ''; flex: 1; height: 1px; }
.auth-verification-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: grid;
    gap: 12px;
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 18px;
}
.auth-verification-card.is-active { border-color: var(--color-warning-border); box-shadow: inset 0 0 0 1px var(--color-warning-soft); }
.auth-verification-card__icon { align-items: center; background: var(--color-brand-soft); border-radius: 12px; color: var(--color-brand-strong); display: flex; font-size: 1rem; height: 42px; justify-content: center; width: 42px; }
.auth-verification-card__content h2 { color: var(--color-text); font-size: 1rem; font-weight: 800; margin: 0 0 3px; }
.auth-verification-card__content p { color: var(--color-text-muted); font-size: .8rem; line-height: 1.5; margin: 0; }
.auth-verification-form { display: grid; gap: 9px; grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) auto; }
.auth-verification-form .field-error { grid-column: 1 / -1; }
.auth-resend-button { border-radius: var(--radius-md); min-height: 50px; white-space: nowrap; }
.auth-verification-card > small { color: var(--color-text-muted); font-size: .72rem; grid-column: 1 / -1; }
.auth-verification-card > small i { margin-right: 4px; }
.auth-pending-notice {
    align-items: center;
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    display: grid;
    gap: 10px;
    grid-template-columns: auto 1fr auto;
    margin: -8px 0 22px;
    padding: 12px 14px;
}
.auth-pending-notice > i { color: var(--color-warning); font-size: 1.2rem; }
.auth-pending-notice strong, .auth-pending-notice span { display: block; }
.auth-pending-notice strong { font-size: .82rem; }
.auth-pending-notice span { color: var(--color-text-muted); font-size: .74rem; }
.auth-pending-notice a { font-size: .76rem; font-weight: 800; white-space: nowrap; }
.auth-legal { color: var(--color-text-muted); font-size: .72rem; line-height: 1.55; margin: 18px auto 0; max-width: 500px; text-align: center; }
.auth-card-footer { border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .84rem; margin: 22px 0 0; padding-top: 18px; text-align: center; }
.auth-card-footer a { font-weight: 800; }

@media (max-width: 900px) {
    .auth-form-panel { padding: 26px 20px 42px; }
    .auth-form-wrap { max-width: 620px; }
    .auth-card { border-radius: var(--radius-lg); }
}

@media (max-width: 560px) {
    .auth-form-panel { padding: 18px 12px 30px; }
    .auth-home-link { margin-left: 4px; }
    .auth-card { border-radius: var(--radius-lg); padding: 20px 16px; }
    .auth-heading { gap: 11px; }
    .auth-heading__icon { border-radius: 12px; height: 40px; width: 40px; }
    .auth-heading h1 { font-size: 1.45rem; }
    .auth-field-grid { grid-template-columns: 1fr; }
    .auth-verification-form { grid-template-columns: 1fr; }
    .auth-resend-button { width: 100%; }
    .auth-pending-notice { align-items: flex-start; grid-template-columns: auto 1fr; }
    .auth-pending-notice a { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-delay: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

.app-notice-container {
    display: grid;
    gap: 10px;
    max-width: min(420px, calc(100vw - 32px));
    pointer-events: none;
    position: fixed;
    right: 24px;
    top: calc(var(--navbar-height, 76px) + 16px);
    width: min(420px, calc(100vw - 32px));
    z-index: 10020;
}

.app-notice-container > * {
    pointer-events: auto;
}

.auth-page .app-notice-container {
    top: 80px;
}

@media (max-width: 576px) {
    .app-notice-container {
        left: 16px;
        right: 16px;
        top: calc(var(--navbar-height, 64px) + 10px);
        width: auto;
    }

    .auth-page .app-notice-container {
        top: 72px;
    }
}