/*
 * CSV Viewer
 * Author: Thomas Brown
 * Website: https://thomasbrown.app
 */

:root {
    color-scheme: light;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    --ink: #19352a;
    --muted: #52675c;
    --green: #285c42;
    --line: #d9e3d8;
    --focus: #bc571d;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 0;
    margin: 0;
    background: #edf2eb;
    color: var(--ink);
    line-height: 1.5;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: .55;
}

a {
    color: inherit;
}

:focus-visible,
.drop-zone:focus-within {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

.visually-hidden,
.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    width: min(100% - 48px, 1160px);
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 20;
    top: 12px;
    left: 12px;
    transform: translateY(-160%);
    padding: 10px 16px;
    border-radius: 8px;
    background: #fff;
    color: #173b2b;
    font-weight: 700;
    box-shadow: 0 4px 18px #102c2340;
}

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

.site-header {
    background: #193a2d;
    color: #fff;
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-inner {
    min-height: 76px;
}

.site-name {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -.02em;
}

.site-header a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-bottom: 1px solid #c9e2cf;
    color: #f1fff4;
    font-size: .91rem;
    font-weight: 700;
    text-decoration: none;
}

.site-header a:hover {
    color: #d5f0db;
}

.site-header a:focus-visible {
    outline-color: #ffd681;
}

main {
    padding-block: 54px 80px;
}

.intro {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    overflow: hidden;
    margin-bottom: 28px;
    padding: clamp(30px, 5vw, 58px);
    border: 1px solid #b9d1bf;
    border-radius: 24px;
    background: radial-gradient(circle at 84% 24%, #cee4d0 0, transparent 34%), linear-gradient(125deg, #f9fbf5, #e5f0e6);
}

.intro > div:first-child {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.eyebrow {
    margin: 0 0 12px;
    color: #315f43;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.15;
    letter-spacing: -.035em;
}

h1 {
    max-width: 660px;
    margin-bottom: 17px;
    font-size: clamp(2.4rem, 5vw, 4.1rem);
}

.lead {
    max-width: 610px;
    margin-bottom: 0;
    color: #405c4c;
    font-size: clamp(1rem, 1.6vw, 1.17rem);
    line-height: 1.65;
}

.intro-art {
    position: relative;
    flex: 0 0 228px;
    height: 194px;
    transform: rotate(-5deg);
}

.intro-art::before,
.intro-art::after {
    position: absolute;
    display: block;
    width: 192px;
    height: 144px;
    border-radius: 16px;
    content: "";
    box-shadow: 0 12px 28px #183b2a21;
}

.intro-art::before {
    top: 0;
    right: 0;
    transform: rotate(13deg);
    border: 1px solid #9dbda2;
    background: #f9fcf5;
}

.intro-art::after {
    bottom: 0;
    left: 0;
    background: #285c42;
}

.intro-art span {
    position: absolute;
    z-index: 1;
    left: 20px;
    display: block;
    width: 153px;
    color: #eef8ee;
}

.intro-art .art-label {
    bottom: 109px;
    padding-bottom: 6px;
    border-bottom: 1px solid #91ba9a;
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .02em;
}

.intro-art .art-row {
    display: flex;
    gap: 7px;
    height: 15px;
}

.intro-art .art-row:nth-of-type(2) {
    bottom: 84px;
}

.intro-art .art-row:nth-of-type(3) {
    bottom: 61px;
}

.intro-art .art-row:nth-of-type(4) {
    bottom: 38px;
}

.intro-art .art-row i {
    width: 31%;
    border-radius: 3px;
    background: #8dbb97;
}

.intro-art .art-row i:nth-child(2) {
    background: #b7d5b7;
}

.workspace {
    display: grid;
    grid-template-columns: minmax(290px, .8fr) minmax(0, 1.5fr);
    align-items: start;
    gap: 24px;
}

.panel {
    min-width: 0;
    padding: clamp(23px, 3vw, 36px);
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 12px 30px #173a2509;
}

.panel-heading {
    margin-bottom: 24px;
    padding-bottom: 22px;
    border-bottom: 1px solid #e5ebe2;
}

h2 {
    margin-bottom: 10px;
    font-size: clamp(1.6rem, 2.5vw, 2.1rem);
}

.panel-heading > p:last-child {
    margin-bottom: 0;
    color: var(--muted);
    font-size: .94rem;
}

.drop-zone {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 10px;
    min-height: 180px;
    padding: 25px 18px;
    border: 2px dashed #a7c4ac;
    border-radius: 15px;
    background: #f4f9f3;
    text-align: center;
    transition: border-color .18s ease, background-color .18s ease;
}

.drop-zone.is-dragging,
.drop-zone:hover {
    border-color: var(--green);
    background: #e9f3e8;
}

.drop-zone:focus-within .file-input:focus-visible {
    outline: none;
}

.drop-zone strong {
    font-size: 1rem;
}

.drop-zone > span:not(.drop-icon) {
    margin: 0;
    color: var(--muted);
    font-size: .84rem;
}

.drop-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #e0efdf;
    color: var(--green);
    font-size: 1.4rem;
    font-weight: 800;
}

.picker-button,
.sample-button,
.primary-button,
.secondary-button,
.pagination button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 43px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: .88rem;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.picker-button,
.primary-button {
    border: 1px solid #285c42;
    background: var(--green);
    color: #fff;
}

.picker-button:hover,
.primary-button:hover:not(:disabled) {
    background: #1e4933;
}

.sample-button,
.secondary-button,
.pagination button {
    border: 1px solid #bdd1c0;
    background: #f8fbf7;
    color: #234633;
}

.sample-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled),
.pagination button:hover:not(:disabled) {
    border-color: #80aa89;
    background: #eaf4e9;
}

.sample-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 19px;
}

.text-button {
    padding: 8px 2px;
    border: 0;
    background: transparent;
    color: #27573c;
    font-size: .82rem;
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.text-button:hover {
    color: #164129;
}

.field-help,
.privacy-note {
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.55;
}

.field-help {
    margin: 8px 0 0;
}

.privacy-note {
    margin: 25px 0 0;
    padding-top: 19px;
    border-top: 1px solid #e5ebe2;
}

.source-meta {
    min-width: 0;
    margin: 19px 0 0;
    padding: 13px 15px;
    border: 1px solid #c5d9c7;
    border-radius: 10px;
    background: #f2f8f1;
    color: var(--muted);
    font-size: .82rem;
    overflow-wrap: anywhere;
}

.source-meta strong {
    display: block;
    color: var(--ink);
}

.source-meta-label {
    display: block;
    margin-bottom: 4px;
    color: #3d674a;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.controls {
    margin-top: 27px;
    padding-top: 24px;
    border-top: 1px solid #e5ebe2;
}

.controls h3 {
    margin-bottom: 13px;
    color: #284633;
    font-size: 1rem;
}

.control-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.field label,
.field > span {
    display: block;
    margin-bottom: 8px;
    color: #284633;
    font-size: .88rem;
    font-weight: 800;
}

.field input,
.field select,
.search-row input {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid #afc4b3;
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
}

.field input::placeholder,
.search-row input::placeholder {
    color: #64796d;
}

.field small {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: .76rem;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #284633;
    font-size: .88rem;
    font-weight: 700;
    cursor: pointer;
}

.checkbox-field input {
    flex: none;
    width: 19px;
    height: 19px;
    margin: 0;
    accent-color: var(--green);
}

.search-row {
    display: grid;
    gap: 7px;
    margin-bottom: 18px;
}

.search-row label {
    color: #284633;
    font-size: .88rem;
    font-weight: 800;
}

.search-row input:disabled {
    background: #f1f4f0;
    color: #53685b;
}

.status-message,
.error-message {
    margin: 16px 0 0;
    padding: 11px 13px;
    border-radius: 9px;
    font-size: .82rem;
    line-height: 1.5;
}

.status-message {
    border: 1px solid #c2d9c6;
    background: #eef7ed;
    color: #28523a;
}

.status-message:empty {
    display: none;
}

.error-message {
    border: 1px solid #e7b9a6;
    background: #fff1e9;
    color: #84371f;
    font-weight: 700;
}

.empty-state {
    display: grid;
    place-items: center;
    min-height: 310px;
    padding: 40px 24px;
    border: 1px dashed #bfd2c2;
    border-radius: 14px;
    background: #f8fbf7;
    color: #496555;
    text-align: center;
}

.empty-state p {
    max-width: 300px;
    margin-bottom: 0;
}

.empty-state h3 {
    margin: 4px 0 8px;
    font-size: 1.15rem;
}

.empty-mark {
    color: #82a68a;
    font-size: 3.2rem;
    line-height: 1;
}

.table-frame {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    border: 1px solid #d6e1d7;
    border-radius: 12px;
    background: #fff;
    scrollbar-color: #9fbda5 #eff4ee;
}

.table-frame:focus-visible {
    outline-offset: 4px;
}

.data-table {
    width: 100%;
    min-width: 530px;
    border-collapse: separate;
    border-spacing: 0;
    font-size: .86rem;
    text-align: left;
}

.data-table caption {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.data-table th,
.data-table td {
    min-width: 120px;
    max-width: 340px;
    padding: 12px 15px;
    border-bottom: 1px solid #e6ece5;
    overflow-wrap: anywhere;
    vertical-align: top;
}

.data-table td {
    white-space: pre-wrap;
}

.data-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #eaf2e9;
    color: #234733;
    font-weight: 800;
}

.data-table tbody tr:nth-child(even) {
    background: #f8fbf7;
}

.data-table tbody tr:last-child td {
    border-bottom: 0;
}

.data-table th button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    overflow-wrap: anywhere;
}

.data-table th button:hover {
    color: #0c6b3c;
    text-decoration: underline;
}

.sort-arrow {
    flex: none;
    color: #53775d;
    font-size: 1rem;
}

.results-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    color: var(--muted);
    font-size: .82rem;
}

.results-bar p {
    margin: 0;
}

.pagination {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.pagination button {
    min-height: 38px;
    padding: 8px 12px;
    font-size: .8rem;
}

.pagination span {
    min-width: 70px;
    color: #385642;
    font-size: .8rem;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.site-footer {
    padding-block: 24px;
    border-top: 1px solid #d1dfd1;
    background: #e5ede3;
    color: #456150;
    font-size: .83rem;
}

.footer-inner p {
    margin: 0;
}

.site-footer a {
    color: #22563a;
    font-weight: 800;
}

@media (max-width: 900px) {
    .intro-art {
        flex-basis: 170px;
        transform: scale(.8) rotate(-5deg);
        transform-origin: center right;
    }

    .workspace {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .container {
        width: min(100% - 32px, 1160px);
    }

    .header-inner,
    .footer-inner {
        flex-wrap: wrap;
    }

    .header-inner {
        padding-block: 16px;
    }

    main {
        padding-block: 28px 54px;
    }

    .intro {
        padding: 27px 25px;
        border-radius: 18px;
    }

    .intro-art {
        display: none;
    }

    .workspace {
        gap: 16px;
    }

    .panel {
        border-radius: 16px;
    }

    .control-grid {
        grid-template-columns: 1fr;
    }

    .results-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .pagination {
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}