:root {
    --collection-ink: #263c3a;
    --collection-muted: #6f7e79;
    --collection-line: #dce7e1;
    --collection-paper: #fffdf8;
    --collection-warm: #f8f2e8;
    --collection-shadow: 0 18px 45px rgba(47, 85, 77, 0.1);
}

.collection-body {
    color: var(--collection-ink);
    background:
        linear-gradient(90deg, rgba(47, 116, 109, 0.045) 1px, transparent 1px),
        linear-gradient(0deg, rgba(233, 133, 99, 0.04) 1px, transparent 1px),
        #f5f8f4;
    background-size: 44px 44px;
}

.collection-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 30;
    width: 100%;
    min-height: 76px;
    padding: 10px clamp(18px, 3vw, 42px) 13px;
    background: rgba(255, 253, 248, 0.96);
    border-bottom: 1px solid var(--collection-line);
    box-shadow: 0 8px 24px rgba(47, 85, 77, 0.06);
    backdrop-filter: blur(16px);
}

.collection-header::after {
    content: "";
    position: absolute;
    inset: auto 0 -1px;
    height: 3px;
    background: linear-gradient(90deg, var(--collection-primary) 0 58%, #8fc9ad 58% 78%, var(--collection-accent) 78% 100%);
}

.collection-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    width: max-content;
    color: var(--collection-ink);
    text-decoration: none;
}

.collection-brand img {
    width: 50px;
    height: 50px;
    flex: 0 0 auto;
    border-radius: 11px;
    box-shadow: 0 7px 18px rgba(47, 85, 77, 0.13);
}

.collection-brand strong,
.collection-brand small {
    display: block;
}

.collection-brand strong {
    font-size: 20px;
    line-height: 1.2;
}

.collection-brand small {
    margin-top: 3px;
    color: var(--collection-muted);
    font-size: 11px;
    letter-spacing: 0.04em;
}

.collection-account-link {
    flex: 0 0 auto;
}

.collection-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    gap: 5px;
}

.collection-nav > a {
    min-height: 38px;
    padding: 9px 13px;
    border-radius: 6px;
    color: var(--collection-muted);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.collection-nav > a:hover,
.collection-nav > a:focus-visible,
.collection-nav > a.is-active {
    color: var(--collection-primary);
    background: var(--collection-soft);
    outline: none;
}

.collection-nav > a.is-active {
    box-shadow: inset 0 -3px 0 var(--collection-accent);
}

.collection-main {
    width: min(100%, 1320px);
    margin: 0 auto;
    padding: 28px clamp(16px, 3vw, 34px) 56px;
}

.collection-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: auto;
    padding: 20px clamp(18px, 3vw, 42px);
    border-top: 1px solid var(--collection-line);
    background: #fffdf8;
    color: var(--collection-muted);
    font-size: 13px;
}

.collection-footer p {
    margin: 0;
}

.collection-footer a {
    color: var(--collection-primary);
    font-weight: 800;
}

.collection-home-hero,
.collection-page-heading,
.collection-panel {
    border: 1px solid var(--collection-line);
    border-radius: 16px;
    background: rgba(255, 253, 248, 0.96);
    box-shadow: var(--collection-shadow);
}

.collection-home-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    min-height: 270px;
    padding: clamp(28px, 4vw, 56px);
    overflow: hidden;
    position: relative;
}

.collection-home-hero::before {
    content: "";
    position: absolute;
    width: 330px;
    height: 330px;
    right: -120px;
    top: -160px;
    border-radius: 50%;
    background: var(--collection-soft);
}

.collection-home-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 6px;
    background: linear-gradient(90deg, var(--collection-primary), #8fc9ad 66%, var(--collection-accent));
}

.collection-home-brand {
    display: flex;
    align-items: center;
    gap: clamp(22px, 3vw, 40px);
    position: relative;
    z-index: 1;
}

.collection-home-brand > img {
    width: clamp(110px, 12vw, 150px);
    height: clamp(110px, 12vw, 150px);
    flex: 0 0 auto;
    border-radius: 30px;
    box-shadow: 0 20px 38px rgba(47, 85, 77, 0.14);
}

.collection-kicker,
.collection-section-heading > p,
.collection-section-heading > div > p {
    margin: 0 0 7px;
    color: var(--collection-accent);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.collection-home-brand h1,
.collection-page-heading h1 {
    margin: 0;
    color: var(--collection-ink);
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.collection-home-brand p:last-child,
.collection-page-heading p:last-child {
    max-width: 640px;
    margin: 15px 0 0;
    color: var(--collection-muted);
    font-size: 16px;
    line-height: 1.75;
}

.collection-hero-actions {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    min-width: 190px;
    position: relative;
    z-index: 1;
}

.collection-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid #cfded7;
    border-radius: 7px;
    background: #fff;
    color: var(--collection-ink);
    font-size: 13px;
    font-weight: 900;
    line-height: 1.25;
    text-decoration: none;
    cursor: pointer;
}

.collection-button:hover,
.collection-button:focus-visible {
    border-color: var(--collection-primary);
    color: var(--collection-primary);
    outline: 3px solid rgba(47, 116, 109, 0.12);
}

.collection-button.is-primary {
    border-color: var(--collection-primary);
    color: #fff;
    background: var(--collection-primary);
}

.collection-button.is-primary:hover,
.collection-button.is-primary:focus-visible {
    color: #fff;
    background: #245f59;
}

.collection-button.is-danger {
    border-color: #efc9bf;
    color: #ad4b38;
    background: #fff6f2;
}

.collection-button.is-large {
    min-height: 50px;
    padding: 12px 20px;
    font-size: 14px;
}

.collection-notice {
    margin: 0 0 18px;
    padding: 14px 17px;
    border: 1px solid #badcc7;
    border-radius: 8px;
    background: #e9f7ee;
    color: #286344;
    font-weight: 800;
}

.collection-notice.is-error {
    border-color: #f0beb3;
    background: #fff0ec;
    color: #9e4131;
}

.collection-notice ul {
    margin: 0;
    padding-left: 20px;
}

.collection-guest-intro,
.collection-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.collection-guest-intro {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.collection-guest-intro article,
.collection-stat-grid article {
    padding: 22px;
    border: 1px solid var(--collection-line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(47, 85, 77, 0.07);
}

.collection-guest-intro article > span {
    color: var(--collection-accent);
    font-size: 12px;
    font-weight: 900;
}

.collection-guest-intro h2 {
    margin: 12px 0 8px;
    font-size: 19px;
}

.collection-guest-intro p {
    margin: 0;
    color: var(--collection-muted);
    line-height: 1.65;
}

.collection-stat-grid article {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 6px 12px;
    border-top: 4px solid var(--collection-primary);
}

.collection-stat-grid article:nth-child(2) { border-top-color: var(--collection-accent); }
.collection-stat-grid article:nth-child(3) { border-top-color: #76a9bb; }
.collection-stat-grid article:nth-child(4) { border-top-color: #baa88a; }

.collection-stat-grid span {
    color: var(--collection-muted);
    font-size: 12px;
    font-weight: 800;
}

.collection-stat-grid strong {
    grid-row: span 2;
    font-size: 36px;
}

.collection-stat-grid a,
.collection-stat-grid small {
    color: var(--collection-primary);
    font-size: 12px;
    font-weight: 800;
}

.collection-dashboard-grid,
.collection-manage-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 20px;
    margin-top: 20px;
}

.collection-panel {
    padding: 24px;
}

.collection-section-heading h2 {
    margin: 0;
    font-size: 24px;
}

.collection-section-heading.is-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}

.collection-section-heading.is-row > a {
    color: var(--collection-primary);
    font-size: 13px;
    font-weight: 900;
}

.collection-quick-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.collection-quick-links a {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 3px 11px;
    padding: 15px;
    border: 1px solid var(--collection-line);
    border-radius: 9px;
    color: var(--collection-ink);
    text-decoration: none;
}

.collection-quick-links a:hover,
.collection-quick-links a:focus-visible {
    border-color: #99c4b2;
    background: var(--collection-soft);
    outline: none;
}

.collection-quick-links a > span {
    display: grid;
    grid-row: span 2;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: var(--collection-soft);
    color: var(--collection-primary);
    font-size: 20px;
    font-weight: 900;
}

.collection-quick-links small {
    color: var(--collection-muted);
    line-height: 1.4;
}

.collection-category-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 18px;
}

.collection-category-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 11px 13px;
    border-left: 5px solid #8fc9ad;
    border-radius: 6px;
    background: #f7faf7;
    color: var(--collection-ink);
    font-size: 13px;
    text-decoration: none;
}

.collection-category-links span {
    color: var(--collection-muted);
    font-size: 11px;
}

.color-teal { --category-color: #5bb3a8; }
.color-coral { --category-color: #e98563; }
.color-amber { --category-color: #e9b94d; }
.color-rose { --category-color: #d9899a; }
.color-blue { --category-color: #76a9bb; }
.color-sage { --category-color: #8fc9ad; }
.collection-category-links a[class*="color-"],
.collection-category[class*="color-"] { border-color: var(--category-color); }

.collection-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
}

.collection-tags.is-large {
    margin-top: 18px;
}

.collection-tags span,
.collection-tags a {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--collection-soft);
    color: var(--collection-primary);
    font-size: 11px;
    font-weight: 800;
    text-decoration: none;
}

.collection-tags a small {
    color: var(--collection-muted);
}

.collection-home-list,
.collection-travel-panel,
.collection-public-panel {
    margin-top: 20px;
}

.collection-home-list > .collection-empty,
.collection-travel-panel > .collection-empty,
.collection-public-panel > .collection-empty {
    margin-top: 24px;
}

.collection-public-panel {
    border-top-color: var(--collection-accent);
}

.collection-public-note {
    max-width: 420px;
    margin: 0;
    color: var(--collection-muted);
    font-size: 12px;
    line-height: 1.6;
    text-align: right;
}

.collection-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 570px), 1fr));
    gap: 24px;
    margin-top: 24px;
}

.collection-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 24px;
    border: 1px solid var(--collection-line);
    border-top: 4px solid #8fc9ad;
    border-radius: 10px;
    background: #fff;
}

.collection-card.is-clickable {
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.collection-card.is-clickable:hover,
.collection-card.is-clickable:focus-visible {
    border-color: #9ec9b7;
    outline: none;
    box-shadow: 0 12px 30px rgba(36, 77, 67, 0.12);
    transform: translateY(-2px);
}

.collection-card-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.collection-card-badges {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.collection-origin-chip {
    display: inline-flex;
    align-items: center;
    width: max-content;
    padding: 5px 8px;
    border-radius: 4px;
    color: #76562f;
    background: #fff4df;
    font-size: 10px;
    font-weight: 900;
}

.collection-category,
.collection-type,
.collection-recommend-chip,
.collection-count-chip {
    display: inline-flex;
    align-items: center;
    width: max-content;
    padding: 5px 8px;
    border-left: 4px solid #8fc9ad;
    border-radius: 4px;
    background: #f4f8f5;
    color: var(--collection-muted);
    font-size: 10px;
    font-weight: 900;
}

.collection-type {
    border: 0;
    background: #f3f0ea;
}

.collection-type.is-travel,
.collection-recommend-chip {
    color: #2f746d;
    background: #e4f3eb;
}

.collection-visibility {
    display: inline-flex;
    align-items: center;
    width: max-content;
    padding: 5px 8px;
    border-radius: 4px;
    color: #746d62;
    background: #f3f0ea;
    font-size: 10px;
    font-weight: 900;
}

.collection-visibility.is-public {
    color: #9a5d21;
    background: #fff0d9;
}

.collection-card-owner {
    margin: 11px 0 -4px;
    color: var(--collection-muted);
    font-size: 11px;
}

.collection-card-owner strong {
    color: var(--collection-primary);
}

.collection-card-owner.is-source {
    padding-left: 9px;
    border-left: 3px solid var(--collection-accent);
}

.collection-card-copy h3 {
    margin: 20px 0 10px;
    font-size: 19px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.collection-card-copy p {
    display: -webkit-box;
    margin: 0 0 17px;
    overflow: hidden;
    color: var(--collection-muted);
    font-size: 13px;
    line-height: 1.6;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.collection-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 18px;
    padding: 12px 14px;
    border: 1px solid var(--collection-line);
    border-radius: 9px;
    background: #f8fbf9;
    color: var(--collection-muted);
    font-size: 12px;
}

.collection-card-location {
    margin: 18px 0 0;
    color: var(--collection-muted);
    font-size: 12px;
}

.collection-card-location + .collection-card-meta {
    margin-top: 10px;
}

.collection-card-meta span {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    min-width: 0;
}

.collection-card-meta span:last-child {
    justify-content: flex-end;
    margin-left: auto;
    white-space: nowrap;
}

.collection-card-meta strong,
.collection-card-meta b {
    color: var(--collection-primary);
    font-weight: 900;
}

.collection-card-meta b {
    font: inherit;
}

.collection-recommend-chip {
    margin: 11px 0 0;
    border: 0;
}

.collection-card-actions,
.collection-card-actions form {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.collection-card-actions {
    justify-content: center;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--collection-line);
}

.collection-save-button {
    gap: 6px;
    color: var(--collection-primary);
}

.collection-save-button svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linejoin: round;
}

.collection-card-actions .collection-button {
    min-height: 40px;
    padding: 8px 13px;
    font-size: 12px;
}

.collection-source-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 20px 0 12px;
}

.collection-source-tabs a {
    min-width: 112px;
    padding: 10px 14px;
    border: 1px solid var(--collection-line);
    border-radius: 6px;
    color: var(--collection-muted);
    background: #fff;
    font-size: 13px;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
}

.collection-source-tabs a:hover,
.collection-source-tabs a:focus-visible,
.collection-source-tabs a.is-active {
    border-color: var(--collection-primary);
    color: #fff;
    background: var(--collection-primary);
    outline: none;
}

.collection-home-list.is-public-first {
    margin-top: 24px;
    border-top-color: var(--collection-accent);
}

.collection-home-private-summary,
.collection-admin-tools,
.collection-user-tools {
    margin-top: 24px;
}

.collection-user-profile {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
    padding: 20px 0;
    border-top: 1px solid var(--collection-line);
    border-bottom: 1px solid var(--collection-line);
}

.collection-user-avatar {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 8px;
    color: var(--collection-primary);
    background: var(--collection-soft);
    font-size: 20px;
    font-weight: 900;
}

.collection-user-identity {
    display: grid;
    min-width: 0;
    gap: 5px;
}

.collection-user-identity strong {
    font-size: 18px;
}

.collection-user-identity small {
    overflow-wrap: anywhere;
    color: var(--collection-muted);
}

.collection-user-plan {
    padding: 6px 9px;
    border-radius: 5px;
    color: #766f64;
    background: #f2f0eb;
    font-size: 11px;
    font-weight: 900;
}

.collection-user-plan.is-active {
    color: #286b5f;
    background: #e4f3eb;
}

.collection-user-profile-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.collection-empty.is-compact {
    min-height: 180px;
}

.collection-empty.is-compact .collection-button {
    margin-top: 8px;
}

.collection-travel-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 4px 2px 20px;
    border-bottom: 1px solid var(--collection-line);
}

.collection-travel-summary h2 {
    margin: 0;
    font-size: 27px;
}

.collection-travel-summary p:last-child {
    margin: 8px 0 0;
    color: var(--collection-muted);
}

.collection-travel-summary > strong {
    display: flex;
    align-items: baseline;
    gap: 7px;
    min-width: max-content;
    padding: 14px 18px;
    border-radius: 10px;
    background: var(--collection-soft);
    color: var(--collection-primary);
}

.collection-travel-summary > strong span {
    font-size: 31px;
}

.collection-page-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
    padding: 28px 30px;
    border-top: 5px solid var(--collection-primary);
}

.collection-page-heading h1 {
    font-size: clamp(32px, 4vw, 48px);
}

.collection-filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 1.6fr) repeat(4, minmax(130px, 0.7fr)) auto;
    align-items: end;
    gap: 12px;
    margin-bottom: 16px;
    padding: 18px;
    border: 1px solid var(--collection-line);
    border-radius: 12px;
    background: #fffdf8;
}

.collection-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.collection-field label {
    color: var(--collection-ink);
    font-size: 12px;
    font-weight: 900;
}

.collection-field input,
.collection-field select,
.collection-field textarea,
.collection-taxonomy-row input,
.collection-taxonomy-row select {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid #cfded7;
    border-radius: 7px;
    background: #fff;
    color: var(--collection-ink);
}

.collection-field textarea {
    min-height: 110px;
    resize: vertical;
}

.collection-field input:focus,
.collection-field select:focus,
.collection-field textarea:focus,
.collection-taxonomy-row input:focus,
.collection-taxonomy-row select:focus {
    border-color: var(--collection-primary);
    outline: 3px solid rgba(47, 116, 109, 0.12);
}

.collection-field small {
    color: var(--collection-muted);
    font-size: 11px;
    line-height: 1.45;
}

.collection-tag-assist {
    display: grid;
    gap: 9px;
    padding: 12px 14px;
    border: 1px solid #c9e3d8;
    border-radius: 9px;
    background: #f3faf6;
    box-shadow: 0 8px 20px rgba(47, 116, 109, 0.07);
}

.collection-tag-assist[hidden] { display: none; }

.collection-tag-assist-heading,
.collection-tag-assist-message,
.collection-tag-assist-reason {
    margin: 0;
}

.collection-tag-assist-heading {
    color: var(--collection-primary);
    font-family: var(--font-accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.collection-tag-assist-heading.is-ai::before {
    content: "✦";
    margin-right: 6px;
    color: var(--collection-accent);
}

.collection-tag-assist-options,
.collection-tag-assist-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.collection-tag-assist-option,
.collection-tag-assist-apply,
.collection-tag-assist-keep {
    min-height: 34px;
    padding: 6px 11px;
    border: 1px solid #bddbd0;
    border-radius: 999px;
    background: #fff;
    color: var(--collection-primary);
    cursor: pointer;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
}

.collection-tag-assist-option:hover,
.collection-tag-assist-option:focus-visible,
.collection-tag-assist-keep:hover,
.collection-tag-assist-keep:focus-visible {
    border-color: var(--collection-primary);
    outline: none;
    background: #e5f3ed;
}

.collection-tag-assist-message {
    color: var(--collection-ink);
    font-size: 13px;
    line-height: 1.55;
}

.collection-tag-assist-message.is-existing {
    color: #25665f;
    font-weight: 800;
}

.collection-tag-assist-message.is-correction {
    color: #9a542e;
    font-weight: 800;
}

.collection-tag-assist-message.is-error { color: #b4473f; }

.collection-tag-assist-reason {
    color: var(--collection-muted);
    font-size: 12px;
    line-height: 1.5;
}

.collection-tag-assist-apply {
    border-color: var(--collection-primary);
    border-radius: 7px;
    background: var(--collection-primary);
    color: #fff;
}

.collection-tag-assist-keep { border-radius: 7px; }

.collection-tag-assist.is-loading .collection-tag-assist-message::before {
    content: "";
    display: inline-block;
    width: 11px;
    height: 11px;
    margin-right: 8px;
    border: 2px solid #bddbd0;
    border-top-color: var(--collection-primary);
    border-radius: 50%;
    vertical-align: -1px;
    animation: collection-tag-assist-spin 0.8s linear infinite;
}

.collection-tag-edit {
    display: grid;
    gap: 7px;
    min-width: 0;
}

@keyframes collection-tag-assist-spin {
    to { transform: rotate(360deg); }
}

.collection-filter-actions {
    display: flex;
    gap: 7px;
}

.collection-result-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin: 0 2px 4px;
    color: var(--collection-muted);
    font-size: 13px;
}

.collection-result-line p { margin: 0; }
.collection-result-line strong { color: var(--collection-primary); font-size: 18px; }

.collection-empty {
    grid-column: 1 / -1;
    padding: 45px 20px;
    border: 1px dashed #bfd3ca;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.55);
    text-align: center;
}

.collection-empty > span {
    color: var(--collection-accent);
    font-size: 26px;
    font-weight: 900;
}

.collection-empty h3 { margin: 10px 0 6px; }
.collection-empty p { margin: 0; color: var(--collection-muted); }
.collection-empty.is-page { margin-top: 30px; }
.collection-empty.is-page .collection-button { margin-top: 18px; }

.collection-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 24px;
}

.collection-pagination a {
    display: grid;
    place-items: center;
    min-width: 40px;
    min-height: 40px;
    padding: 7px 10px;
    border: 1px solid var(--collection-line);
    border-radius: 6px;
    background: #fff;
    color: var(--collection-ink);
    font-size: 12px;
    font-weight: 900;
    text-decoration: none;
}

.collection-pagination a:hover,
.collection-pagination a:focus-visible,
.collection-pagination a.is-current {
    border-color: var(--collection-primary);
    color: #fff;
    background: var(--collection-primary);
}

.collection-form {
    padding: 0;
    overflow: hidden;
}

.collection-form-section {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 30px;
    padding: 30px;
    border-bottom: 1px solid var(--collection-line);
}

.collection-form-step {
    display: flex;
    align-items: flex-start;
    gap: 11px;
}

.collection-form-step > span {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    border-radius: 10px;
    background: var(--collection-soft);
    color: var(--collection-primary);
    font-size: 12px;
    font-weight: 900;
}

.collection-form-step strong,
.collection-form-step small {
    display: block;
}

.collection-form-step small {
    margin-top: 4px;
    color: var(--collection-muted);
    font-size: 11px;
    line-height: 1.5;
}

.collection-form-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 17px;
}

.collection-form-fields.is-two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.collection-form-fields .is-wide {
    grid-column: 1 / -1;
}

.collection-purpose-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}

.collection-purpose-option,
.collection-recommend-option,
.collection-visibility-option {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    padding: 16px;
    border: 1px solid var(--collection-line);
    border-radius: 9px;
    background: #fff;
    cursor: pointer;
}

.collection-purpose-option:has(input:checked),
.collection-recommend-option:has(input:checked),
.collection-visibility-option:has(input:checked) {
    border-color: var(--collection-primary);
    background: var(--collection-soft);
    box-shadow: inset 0 0 0 1px var(--collection-primary);
}

.collection-purpose-option input,
.collection-recommend-option input,
.collection-visibility-option input {
    margin-top: 3px;
    accent-color: var(--collection-primary);
}

.collection-purpose-option strong,
.collection-purpose-option small,
.collection-recommend-option strong,
.collection-recommend-option small,
.collection-visibility-option strong,
.collection-visibility-option small {
    display: block;
}

.collection-purpose-option small,
.collection-recommend-option small,
.collection-visibility-option small {
    margin-top: 5px;
    color: var(--collection-muted);
    font-size: 11px;
    line-height: 1.5;
}

.collection-recommend-option {
    grid-column: 1 / -1;
}

.collection-visibility-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    grid-column: 1 / -1;
    gap: 16px;
    margin-top: 7px;
    padding-top: 17px;
    border-top: 1px solid var(--collection-line);
}

.collection-visibility-heading small {
    color: var(--collection-muted);
    font-size: 11px;
    text-align: right;
}

.collection-recommend-option.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.collection-form-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 22px 30px;
    background: #f7faf7;
}

.collection-manage-layout {
    grid-template-columns: minmax(250px, 0.35fr) minmax(0, 1fr);
    align-items: start;
}

.collection-add-taxonomy {
    position: sticky;
    top: 155px;
}

.collection-add-taxonomy .collection-field {
    margin-top: 16px;
}

.collection-add-taxonomy > .collection-button {
    width: 100%;
    margin-top: 16px;
}

.collection-taxonomy-row {
    display: grid;
    grid-template-columns: 18px minmax(160px, 1fr) 90px auto auto auto;
    align-items: center;
    gap: 9px;
    padding: 13px 0;
    border-bottom: 1px solid var(--collection-line);
}

.collection-taxonomy-row.is-tag {
    grid-template-columns: 18px minmax(160px, 1fr) auto auto auto;
}

.collection-taxonomy-row:last-child { border-bottom: 0; }

.collection-color-dot {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--category-color, #8fc9ad);
}

.collection-tag-prefix {
    color: var(--collection-primary);
    font-size: 18px;
    font-weight: 900;
}

.collection-count-chip {
    border: 0;
    white-space: nowrap;
}

.collection-recommend-heading {
    border-top-color: var(--collection-accent);
}

.collection-recommend-count {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: max-content;
    padding: 13px 17px;
    border-radius: 10px;
    background: var(--collection-soft);
    color: var(--collection-primary);
}

.collection-recommend-count strong { font-size: 32px; }
.collection-recommend-count span { font-size: 12px; font-weight: 900; }
.collection-member-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 20px 0;
}

.collection-member-stats article {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 82px;
    padding: 18px 20px;
    border: 1px solid var(--collection-line);
    border-radius: 8px;
    background: #fff;
}

.collection-member-stats span,
.collection-member-count {
    color: var(--collection-muted);
    font-size: 12px;
    font-weight: 800;
}

.collection-member-stats strong {
    color: var(--collection-primary);
    font-size: 28px;
}

.collection-members-panel {
    border-top: 4px solid #8fc9ad;
}

.collection-member-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.collection-member-card {
    overflow: hidden;
    border: 1px solid var(--collection-line);
    border-radius: 8px;
    background: #fff;
}

.collection-member-card[open] {
    border-color: #9ec9b7;
    box-shadow: 0 10px 28px rgba(36, 77, 67, 0.08);
}

.collection-member-card > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 78px;
    padding: 16px 20px;
    cursor: pointer;
    list-style: none;
    background: #fbfdfb;
}

.collection-member-card > summary::-webkit-details-marker { display: none; }

.collection-member-card > summary::after {
    content: "+";
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    border: 1px solid var(--collection-line);
    border-radius: 50%;
    color: var(--collection-primary);
    font-size: 18px;
    font-weight: 900;
}

.collection-member-card[open] > summary::after { content: "−"; }

.collection-member-identity {
    display: grid;
    gap: 4px;
    min-width: 210px;
}

.collection-member-identity strong { font-size: 16px; }

.collection-member-identity small {
    overflow-wrap: anywhere;
    color: var(--collection-muted);
}

.collection-member-summary-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1 1 auto;
    flex-wrap: wrap;
    gap: 7px;
}

.collection-member-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 8px;
    border-radius: 4px;
    color: #766f64;
    background: #f2f0eb;
    font-size: 10px;
    font-weight: 900;
}

.collection-member-chip.is-role {
    color: #8a5239;
    background: #fff0e8;
}

.collection-member-chip.is-active {
    color: #286b5f;
    background: #e4f3eb;
}

.collection-member-chip.is-suspended {
    color: #a4413b;
    background: #fdeae6;
}

.collection-member-form {
    padding: 22px 24px 24px;
    border-top: 1px solid var(--collection-line);
}

.collection-member-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.collection-member-details {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    margin: 20px 0 0;
    overflow: hidden;
    border: 1px solid var(--collection-line);
    border-radius: 6px;
    background: var(--collection-line);
}

.collection-member-details div {
    min-width: 0;
    padding: 12px;
    background: #f8fbf9;
}

.collection-member-details dt {
    margin-bottom: 5px;
    color: var(--collection-muted);
    font-size: 10px;
    font-weight: 900;
}

.collection-member-details dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--collection-ink);
    font-size: 12px;
    font-weight: 800;
}

.collection-member-protection {
    margin: 16px 0 0;
    color: #9a5d21;
    font-size: 12px;
    text-align: center;
}

.collection-member-actions {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.collection-muted { color: var(--collection-muted) !important; background: transparent !important; }

@media (max-width: 1100px) {
    .collection-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
        padding: 9px 14px 11px;
    }

    .collection-nav {
        justify-content: flex-start;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
    }

    .collection-nav::-webkit-scrollbar { display: none; }

    .collection-filter-bar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .collection-search-field { grid-column: span 2; }
    .collection-filter-actions { align-self: end; }
    .collection-card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .collection-brand img { width: 44px; height: 44px; border-radius: 9px; }
    .collection-brand strong { font-size: 17px; }
    .collection-brand small { font-size: 11px; }
    .collection-account-link { padding: 8px 10px; font-size: 12px; }

    .collection-nav {
        gap: 4px;
    }

    .collection-nav > a { min-height: 36px; flex: 0 0 auto; padding: 8px 10px; font-size: 12px; }
    .collection-nav .system-switch a { min-height: 30px; padding: 6px 9px; font-size: 12px; }
    .collection-main { padding: 18px 12px 38px; }

    .collection-home-hero,
    .collection-page-heading {
        align-items: stretch;
        flex-direction: column;
        padding: 24px 20px;
    }

    .collection-home-brand {
        align-items: flex-start;
        flex-direction: column;
    }

    .collection-home-brand > img { width: 94px; height: 94px; border-radius: 22px; }
    .collection-home-brand h1 { font-size: 39px; }
    .collection-hero-actions { width: 100%; }
    .collection-guest-intro,
    .collection-stat-grid,
    .collection-dashboard-grid,
    .collection-manage-layout,
    .collection-card-grid { grid-template-columns: 1fr; }

    .collection-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .collection-quick-links,
    .collection-category-links { grid-template-columns: 1fr; }

    .collection-filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .collection-search-field { grid-column: 1 / -1; }
    .collection-filter-actions { grid-column: 1 / -1; }
    .collection-filter-actions .collection-button { flex: 1 1 0; }

    .collection-form-section {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 22px 18px;
    }

    .collection-form-fields.is-two-columns,
    .collection-purpose-fields { grid-template-columns: 1fr; }
    .collection-recommend-option { grid-column: auto; }
    .collection-visibility-heading { grid-column: auto; align-items: flex-start; flex-direction: column; gap: 4px; }
    .collection-visibility-heading small { text-align: left; }
    .collection-form-actions { padding: 18px; }
    .collection-add-taxonomy { position: static; }

    .collection-taxonomy-row,
    .collection-taxonomy-row.is-tag {
        grid-template-columns: 18px minmax(0, 1fr) auto;
    }

    .collection-taxonomy-row select { grid-column: 2; }
    .collection-taxonomy-row .collection-count-chip { grid-column: 3; grid-row: 1; }
    .collection-taxonomy-row .collection-button { grid-column: auto; }

    .collection-travel-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .collection-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .collection-member-stats,
    .collection-member-fields,
    .collection-member-details {
        grid-template-columns: 1fr;
    }

    .collection-member-card > summary {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .collection-member-summary-meta {
        justify-content: flex-start;
        order: 3;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .collection-brand small { display: none; }
    .collection-stat-grid,
    .collection-filter-bar { grid-template-columns: 1fr; }
    .collection-search-field,
    .collection-filter-actions { grid-column: auto; }
    .collection-panel { padding: 18px; }
    .collection-section-heading.is-row { align-items: flex-start; flex-direction: column; }
    .collection-public-note { text-align: left; }
    .collection-card { padding: 18px; }
    .collection-card-topline { flex-direction: column; gap: 10px; }
    .collection-card-badges { justify-content: flex-start; }
    .collection-card-actions > .collection-button { flex: 1 1 auto; }
    .collection-card-actions form { width: 100%; }
    .collection-card-actions form .collection-button { flex: 1 1 0; }
    .collection-card-meta { align-items: flex-start; flex-direction: column; }
    .collection-card-meta span:last-child { justify-content: flex-start; margin-left: 0; }
    .collection-source-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .collection-source-tabs a { min-width: 0; padding: 9px 6px; }
    .collection-member-stats { grid-template-columns: 1fr; }
    .collection-member-form { padding: 18px; }
    .collection-user-profile { grid-template-columns: 46px minmax(0, 1fr); }
    .collection-user-avatar { width: 46px; height: 46px; }
    .collection-user-plan { grid-column: 2; width: fit-content; }
    .collection-user-profile-links { align-items: stretch; flex-direction: column; }
    .collection-form-actions { align-items: center; flex-direction: column-reverse; }
    .collection-form-actions .collection-button { min-width: 140px; }
    .collection-taxonomy-row,
    .collection-taxonomy-row.is-tag { grid-template-columns: 18px minmax(0, 1fr); }
    .collection-taxonomy-row .collection-count-chip { grid-column: 2; grid-row: auto; }
    .collection-taxonomy-row .collection-button { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Shared typography roles with the trip-planning system. */
.collection-kicker,
.collection-section-heading > p,
.collection-section-heading > div > p,
.collection-category,
.collection-type,
.collection-visibility,
.collection-recommend-chip,
.collection-count-chip,
.collection-form-step > span {
    font-family: var(--font-accent);
    font-weight: 800;
}

.collection-category,
.collection-type,
.collection-visibility,
.collection-recommend-chip,
.collection-count-chip {
    font-size: 12px;
}

.collection-brand small,
.collection-card-owner,
.collection-card-meta,
.collection-field small,
.collection-form-step small,
.collection-purpose-option small,
.collection-recommend-option small,
.collection-visibility-option small {
    font-size: 12px;
}

.collection-field label,
.collection-nav > a,
.collection-button,
.collection-account-link {
    font-family: var(--font-primary);
    font-weight: 900;
}

.collection-field label {
    font-size: 13px;
}