:root {
    --ip-accent: #d97706;
    --ip-accent-dark: #b45309;
    --ip-accent-soft: #fff7e8;
    --ip-success: #16834b;
    --ip-success-soft: #eaf8ef;
}

.ip-hero {
    padding: 36px 0 30px;
    background:
        radial-gradient(circle at 18% 20%, rgba(17, 168, 167, .18), transparent 26%),
        linear-gradient(115deg, var(--unida-primary), var(--unida-dark));
    color: var(--white);
}

.ip-hero .container {
    max-width: 980px;
}

.ip-hero h1 {
    margin: 0 0 18px;
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -.03em;
}

.ip-search-form {
    max-width: 760px;
}

.ip-search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
    padding: 0 18px;
    border-radius: 10px;
    background: var(--white);
    box-shadow: 0 12px 34px rgba(0, 43, 61, .18);
}

.ip-search-box i {
    color: #8ca0ac;
    font-size: 1.1rem;
}

.ip-search-box input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text-primary);
    font-size: .95rem;
}

.ip-search-box input::placeholder {
    color: #99a8b1;
}

.ip-toolbar {
    border-bottom: 1px solid var(--border-color);
    background: var(--white);
}

.ip-toolbar-inner {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.ip-toolbar-left,
.ip-result-tools,
.ip-sort-form {
    display: flex;
    align-items: center;
}

.ip-toolbar-left {
    gap: 12px;
}

.ip-toolbar-label,
.ip-sort-form label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ip-clear-btn {
    padding: 7px 13px;
    border: 1px solid var(--border-color);
    background: #f8fafb;
    color: var(--text-secondary);
    font-size: .77rem;
}

.ip-clear-btn:hover {
    border-color: var(--unida-primary);
    color: var(--unida-primary);
}

.ip-result-tools {
    gap: 18px;
}

.ip-result-count {
    color: var(--text-secondary);
    font-size: .78rem;
}

.ip-result-count strong {
    color: var(--text-primary);
    font-weight: 800;
}

.ip-sort-form {
    gap: 8px;
}

.ip-sort-form .form-select {
    width: 150px;
    min-height: 34px;
    border-color: var(--border-color);
    font-size: .77rem;
}

.ip-filter-toggle {
    display: none;
    align-items: center;
    gap: 7px;
    padding: 7px 11px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: #fff;
    color: var(--text-primary);
    font-size: .78rem;
    font-weight: 700;
}

.ip-results-section {
    min-height: 520px;
    padding: 24px 0 54px;
    background: var(--page-bg);
}

.ip-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.ip-filter-card {
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(25, 55, 70, .04);
}

.ip-filter-title {
    margin: 0 0 14px;
    color: var(--text-primary);
    font-size: .88rem;
    font-weight: 800;
}

.ip-filter-divider {
    height: 1px;
    margin: 20px 0;
    background: var(--border-color);
}

.ip-year-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
}

.ip-year-inputs input {
    width: 100%;
    height: 34px;
    padding: 0 8px;
    border: 1px solid #ced9df;
    border-radius: 5px;
    color: #314c5b;
    font-size: .76rem;
}

.ip-year-inputs span {
    color: #8fa0aa;
}

.ip-year-slider {
    position: relative;
    height: 26px;
    margin-top: 10px;
}

.ip-year-track,
.ip-year-fill {
    position: absolute;
    top: 11px;
    height: 4px;
    border-radius: 999px;
}

.ip-year-track {
    left: 0;
    right: 0;
    background: #d8e1e5;
}

.ip-year-fill {
    left: 0;
    width: 100%;
    background: var(--unida-primary);
}

.ip-year-slider input[type="range"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 26px;
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    pointer-events: none;
}

.ip-year-slider input[type="range"]::-webkit-slider-thumb {
    width: 17px;
    height: 17px;
    appearance: none;
    -webkit-appearance: none;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--unida-primary);
    box-shadow: 0 0 0 1px var(--unida-primary);
    cursor: pointer;
    pointer-events: auto;
}

.ip-year-slider input[type="range"]::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--unida-primary);
    box-shadow: 0 0 0 1px var(--unida-primary);
    cursor: pointer;
    pointer-events: auto;
}

.ip-year-labels {
    display: flex;
    justify-content: space-between;
    color: #7c8d97;
    font-size: .68rem;
}

.ip-facet-list {
    display: grid;
    gap: 8px;
}

.ip-facet-row {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    min-width: 0;
    color: #365261;
    font-size: .76rem;
    cursor: pointer;
}

.ip-facet-row input {
    width: 15px;
    height: 15px;
    accent-color: var(--unida-primary);
}

.ip-facet-name {
    min-width: 0;
}

.ip-facet-count {
    min-width: 34px;
    padding: 3px 7px;
    border-radius: 999px;
    background: #edf1f3;
    color: #788993;
    text-align: center;
    font-size: .66rem;
}

.ip-show-more {
    margin-top: 11px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--unida-primary);
    font-size: .75rem;
}

.ip-show-more:hover {
    text-decoration: underline;
}

.ip-list {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.ip-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 86px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(25, 55, 70, .05);
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.ip-card:hover {
    transform: translateY(-1px);
    border-color: #cbd8dd;
    box-shadow: 0 8px 22px rgba(25, 55, 70, .08);
}

.ip-card-main {
    min-width: 0;
    padding: 18px 20px;
}

.ip-title {
    display: inline-block;
    margin-bottom: 7px;
    color: var(--ip-accent-dark);
    font-size: .92rem;
    font-weight: 800;
    line-height: 1.35;
}

.ip-title:hover {
    color: var(--unida-primary);
}

.ip-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    color: #82919a;
    font-size: .68rem;
}

.ip-registration {
    color: #8aa0ab;
}

.ip-type-badge,
.ip-verification-badge,
.ip-status-badge,
.ip-year-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border-radius: 999px;
    white-space: nowrap;
    font-weight: 700;
}

.ip-type-badge {
    padding: 4px 8px;
    background: var(--ip-accent-soft);
    color: var(--ip-accent-dark);
    font-size: .66rem;
}

.ip-verification-badge {
    padding: 4px 8px;
    background: #f1f4f6;
    color: #687b86;
    font-size: .66rem;
}

.ip-verification-badge.is-verified {
    background: var(--ip-success-soft);
    color: var(--ip-success);
}

.ip-description {
    display: -webkit-box;
    overflow: hidden;
    margin: 10px 0 8px;
    color: #425b69;
    font-size: .77rem;
    line-height: 1.5;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.ip-authors {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    margin-top: 9px;
    color: #506874;
    font-size: .73rem;
    line-height: 1.45;
}

.ip-authors > i {
    margin-top: 2px;
    color: #8aa0ab;
}

.ip-authors a {
    color: #126e8b;
    font-weight: 600;
}

.ip-more-authors {
    margin-left: 4px;
    color: #92a0a8;
}

.ip-status-row {
    margin-top: 9px;
}

.ip-status-badge {
    padding: 4px 8px;
    background: #f4f6f7;
    color: #536873;
    font-size: .65rem;
}

.ip-card-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 14px 14px 0;
}

.ip-year-badge {
    padding: 5px 9px;
    background: #f3f6f7;
    color: #526772;
    font-size: .66rem;
}

.ip-card-arrow {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #9aacb5;
}

.ip-card-arrow:hover {
    background: var(--unida-light);
    color: var(--unida-primary);
}

.ip-empty {
    padding: 70px 24px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--white);
    text-align: center;
}

.ip-empty-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin: 0 auto 15px;
    border-radius: 16px;
    background: var(--ip-accent-soft);
    color: var(--ip-accent);
    font-size: 1.4rem;
}

.ip-empty h2 {
    margin: 0 0 7px;
    font-size: 1.05rem;
    font-weight: 800;
}

.ip-empty p {
    margin: 0 0 18px;
    color: var(--text-secondary);
    font-size: .82rem;
}

.ip-empty-btn {
    background: var(--unida-primary);
    color: #fff;
    font-size: .8rem;
}

.ip-empty-btn:hover {
    background: var(--unida-dark);
    color: #fff;
}

.ip-pagination-wrap {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

.ip-pagination {
    display: flex;
    gap: 5px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ip-pagination a {
    display: grid;
    place-items: center;
    min-width: 34px;
    height: 34px;
    padding: 0 9px;
    border: 1px solid #d7e0e4;
    border-radius: 6px;
    background: #fff;
    color: #4f6571;
    font-size: .75rem;
}

.ip-pagination li.active a {
    border-color: var(--unida-primary);
    background: var(--unida-primary);
    color: #fff;
}

.ip-pagination li.disabled a {
    pointer-events: none;
    opacity: .45;
}

/* Detail */
.ip-detail-page {
    min-height: 650px;
    padding: 30px 0 60px;
    background: var(--page-bg);
}

.ip-detail-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.ip-back-link,
.ip-share-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #536a76;
    font-size: .8rem;
    font-weight: 700;
}

.ip-back-link:hover {
    color: var(--unida-primary);
}

.ip-share-button {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    background: #fff;
}

.ip-share-button:hover {
    border-color: var(--unida-primary);
    color: var(--unida-primary);
}

.ip-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
}

.ip-detail-card,
.ip-info-card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 3px 12px rgba(25, 55, 70, .05);
}

.ip-detail-card {
    padding: 28px;
}

.ip-detail-heading {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 17px;
    align-items: start;
}

.ip-detail-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--ip-accent-soft);
    color: var(--ip-accent);
    font-size: 1.35rem;
}

.ip-detail-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 10px;
}

.ip-detail-heading h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(1.45rem, 2.6vw, 2.05rem);
    font-weight: 850;
    line-height: 1.25;
    letter-spacing: -.025em;
}

.ip-detail-meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    margin-top: 13px;
    color: #748792;
    font-size: .76rem;
}

.ip-detail-meta-line span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ip-detail-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.ip-detail-section > h2,
.ip-detail-section-heading h2,
.ip-info-card h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: .95rem;
    font-weight: 800;
}

.ip-detail-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.ip-detail-section-heading span {
    color: #8b9aa3;
    font-size: .72rem;
}

.ip-detail-description {
    margin: 12px 0 0;
    color: #405965;
    font-size: .84rem;
    line-height: 1.7;
}

.ip-author-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.ip-author-card {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    padding: 12px;
    border: 1px solid #e4eaed;
    border-radius: 8px;
    background: #fbfcfd;
}

.ip-author-avatar {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--unida-light);
    color: var(--unida-primary);
}

.ip-author-name {
    display: inline-block;
    color: #163b4e;
    font-size: .79rem;
    font-weight: 750;
}

a.ip-author-name:hover {
    color: var(--unida-primary);
}

.ip-author-meta {
    display: grid;
    gap: 2px;
    margin-top: 3px;
    color: #7a8d97;
    font-size: .68rem;
    line-height: 1.35;
}

.ip-author-pic {
    color: var(--ip-accent-dark);
    font-weight: 700;
}

.ip-unit-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ip-unit-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    border: 1px solid #d9e4e7;
    border-radius: 8px;
    background: #f9fbfc;
    color: #315463;
    font-size: .73rem;
    font-weight: 650;
}

.ip-unit-chip:hover {
    border-color: var(--unida-secondary);
    background: var(--unida-light);
    color: var(--unida-primary);
}

.ip-document-list {
    display: grid;
    gap: 9px;
}

.ip-document-card {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 11px;
    align-items: center;
    padding: 11px 12px;
    border: 1px solid #e1e8eb;
    border-radius: 8px;
}

.ip-document-icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: #fff1f1;
    color: #c74747;
}

.ip-document-content {
    display: grid;
    min-width: 0;
}

.ip-document-content strong {
    overflow: hidden;
    color: #294b5c;
    font-size: .76rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ip-document-content span,
.ip-document-content small {
    color: #81929b;
    font-size: .66rem;
}

.ip-document-open {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--unida-primary);
    font-size: .72rem;
    font-weight: 750;
}

.ip-detail-sidebar {
    display: grid;
    gap: 14px;
}

.ip-info-card {
    padding: 18px;
}

.ip-info-card h2 {
    margin-bottom: 14px;
}

.ip-info-list {
    display: grid;
    gap: 0;
    margin: 0;
}

.ip-info-list > div {
    display: grid;
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 0;
    border-top: 1px solid #edf1f3;
}

.ip-info-list > div:first-child {
    border-top: 0;
    padding-top: 0;
}

.ip-info-list dt {
    color: #8999a2;
    font-size: .68rem;
    font-weight: 650;
}

.ip-info-list dd {
    margin: 0;
    color: #385463;
    font-size: .72rem;
    font-weight: 650;
    overflow-wrap: anywhere;
}

.ip-pic-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
}

.ip-pic-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--ip-accent-soft);
    color: var(--ip-accent);
}

.ip-pic-card div {
    display: grid;
    gap: 3px;
}

.ip-pic-card a,
.ip-pic-card strong {
    color: #24495a;
    font-size: .77rem;
    font-weight: 750;
}

.ip-pic-card a:hover {
    color: var(--unida-primary);
}

.ip-pic-card span {
    color: #82939c;
    font-size: .68rem;
    line-height: 1.4;
}

.ip-external-links {
    display: grid;
    gap: 8px;
}

.ip-external-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px;
    border: 1px solid #deE7ea;
    border-radius: 7px;
    color: var(--unida-primary);
    font-size: .73rem;
    font-weight: 700;
}

.ip-external-links a:hover {
    border-color: var(--unida-secondary);
    background: var(--unida-light);
}

@media (max-width: 991.98px) {
    .ip-layout {
        grid-template-columns: 220px minmax(0, 1fr);
        gap: 16px;
    }

    .ip-detail-layout {
        grid-template-columns: 1fr;
    }

    .ip-detail-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .ip-hero {
        padding: 26px 0 24px;
    }

    .ip-toolbar-inner,
    .ip-result-tools {
        align-items: stretch;
    }

    .ip-toolbar-inner {
        padding: 10px 0;
        flex-direction: column;
    }

    .ip-result-tools {
        justify-content: space-between;
    }

    .ip-filter-toggle {
        display: inline-flex;
    }

    .ip-toolbar-label {
        display: none;
    }

    .ip-layout {
        grid-template-columns: 1fr;
    }

    .ip-filters {
        display: none;
    }

    .ip-filters.is-open {
        display: block;
    }

    .ip-card {
        grid-template-columns: minmax(0, 1fr) 64px;
    }

    .ip-card-main {
        padding: 15px;
    }

    .ip-card-side {
        padding-right: 10px;
    }

    .ip-author-grid,
    .ip-detail-sidebar {
        grid-template-columns: 1fr;
    }

    .ip-detail-card {
        padding: 20px;
    }

    .ip-detail-heading {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 12px;
    }

    .ip-detail-icon {
        width: 44px;
        height: 44px;
    }

    .ip-document-card {
        grid-template-columns: 34px minmax(0, 1fr);
    }

    .ip-document-open {
        grid-column: 2;
        justify-self: start;
    }
}

@media (max-width: 575.98px) {
    .ip-result-tools {
        flex-direction: column;
        gap: 8px;
    }

    .ip-sort-form {
        justify-content: space-between;
    }

    .ip-sort-form .form-select {
        flex: 1;
        width: auto;
    }

    .ip-card {
        grid-template-columns: 1fr;
    }

    .ip-card-side {
        flex-direction: row;
        align-items: center;
        padding: 0 15px 14px;
    }

    .ip-detail-topbar {
        align-items: stretch;
    }

    .ip-share-button {
        justify-content: center;
    }

    .ip-info-list > div {
        grid-template-columns: 90px minmax(0, 1fr);
    }
}