/* ========================================
   CSS Variables (Custom Properties)
   ======================================== */
:root {
    --color-primary: #8262d3;
    --color-primary-dark: #260a6e;
    --color-accent: #007aff;
    --color-text: #222;
    --color-text-inverse: #fff;
    --color-bg: #ffffff;
    --color-bg-alt: #eee;
    --color-bg-tertiary: #f9f9f9;
    --color-border: rgb(0 0 0 / 10%);
    --color-shadow: rgb(14 30 37 / 30%);
    --color-warning-bg: #fff3cd;
    --color-warning-border: #ffeeba;
    --color-warning-text: #856404;
    --color-error-bg: #f8d7da;
    --color-error-border: #f5c6cb;
    --color-error-text: #721c24;
    --byuiblue: #0057b8;

    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition-speed: 0.18s;
    --box-shadow-sm: 0 1px 15px var(--color-shadow);
    --box-shadow-md: 0 8px 24px rgb(0 122 255 / 12%);
    --box-shadow-lg: 0 16px 36px rgb(255 90 95 / 20%);
}

html,
body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main.page {
    flex: 1 0 auto;
    width: 100%;
}

footer {
    margin-top: auto;
    background-color: var(--byuiblue);
    color: var(--color-text-inverse);
}

nav span a {
    border: 1px solid rgb(0 0 0 / 10%);
}

form {
    margin: 1rem auto;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--box-shadow-sm);
}

#auditForm {
    width: fit-content;
    margin-left: .5rem;
}

form label {
    margin: 0 0.5rem 0 0;
    color: var(--color-text);
    font-weight: 600;
    white-space: nowrap;
}

input[type="text"] {
    flex: 1 1 auto;
    font-size: 1.1rem;
    min-width: 0;
    height: 3rem;
    padding: 0 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    background: #bbb;
    transition: box-shadow var(--transition-speed) ease,
        border-color var(--transition-speed) ease,
        background var(--transition-speed) ease;
    box-shadow: none;
}

input[type="text"]:focus {
    outline: none;
    box-shadow: var(--box-shadow-md);
    background: #bbb;
}

button#runAudit {
    height: 3rem;
    padding: 0 1rem;
    border-radius: var(--border-radius);
    border: none;
    color: var(--color-text-inverse);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 8px 24px rgb(255 90 95 / 10%);
    transition: transform 0.12s ease,
        box-shadow 0.12s ease,
        opacity 0.12s ease;
}

button#runAudit:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
    opacity: 0.98;
}

/* Stack form elements on small screens */
@media (max-width: 520px) {
    form {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.6rem;
    }

    form label {
        align-self: flex-start;
        padding-left: 6px;
    }

    input[type="text"],
    button#runAudit {
        width: 80%;
    }
}

#report {
    margin: 1rem;
}

#report h3 {
    margin: 1rem 0 0 0;
}

#report .url {
    display: grid;
    grid-template-columns: 155px 1fr;
    gap: 0.5rem;
    font-size: smaller;
}

#report .url span:nth-of-type(2n-1) {
    text-align: right;
}

#message {
    width: fit-content;
    display: none;
    margin: 0 auto;
    padding: 0.5rem;
}

.lineitem {
    margin: 0.5rem 0;
    display: grid;
    grid-template-columns: 125px 35px 1fr;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg) 0;
    background-color: var(--color-bg-alt);
}

.label {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    height: 100%;
    padding: 0.35rem 0.75rem;
    border: none;
    border-radius: var(--border-radius-lg) 0;
    background-color: #000;
    color: var(--color-text-inverse);
    font-size: smaller;
    font-weight: 700;
    text-align: right;
    box-sizing: border-box;
}

.mark {
    justify-content: center;
    padding: 0.25rem 0.5rem;
}

.standard {
    justify-content: left;
    /* font-size: smaller; */
    padding: 0.5rem 1rem;
}

.standard p {
    margin: 0;
}

.errornote {
    margin-top: 0.75rem;
    padding: 0.5rem;
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--border-radius);
    color: var(--color-error-text);
}

.warningnote {
    margin-top: 0.75rem;
    padding: 0.5rem;
    background-color: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    border-radius: var(--border-radius);
    color: var(--color-warning-text);
}

.colhead {
    background-color: #000;
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: larger;
    text-align: center;
}

.title {
    background-color: #000;
    color: var(--color-text-inverse);
    text-align: center;
    font-weight: 700;
}

dialog .close-button {
    position: absolute;
    top: 0;
    right: 0;
    background: transparent;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
}

dialog>* {
    padding: 0.25rem;
}

dialog::backdrop {
    background: rgb(0 0 0 / 40%);
}

.link-list {
    margin: 0 0 0 25px;
    padding: 0;
}

.link-list li {
    margin: 0;
}

.grid-list {
    margin-top: 0.25rem;
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    font-size: smaller;
}

.grid-list div {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-top: none;
}

.linkslayout {
    grid-template-columns: 1fr 2fr 1fr;
}

.grid-item {
    background-color: var(--color-bg);
}

.anchors {
    display: grid;
    grid-template-columns: 1fr 2fr;
    background-color: var(--color-bg);
}

.anchors> :nth-child(4n + 3),
.anchors> :nth-child(4n + 4) {
    background-color: var(--color-bg-alt);
    padding: 0.5rem;
}

.twocolumns {
    grid-column: 2 / 4;
}

.resFlex {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.resFlex span {
    width: 150px;
    margin: 0.15rem;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    font-weight: 700;
}

details {
    margin: 0;
    background-color: var(--color-bg);
}

details summary {
    cursor: pointer;
    font-weight: 700;
}

details ul,
details li {
    margin: 0;
}

.css-stats-box {
    margin: 10px 0;
    padding: 10px;
    background: rgb(249 249 249);
    border: 1px solid rgb(221 221 221);
    border-radius: 4px;
}

.css-stats-title {
    margin-top: 0;
}

.css-stats-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5px 10px;
    border-top: 1px solid rgb(221 221 221);
}

.css-stats-grid>div {
    padding: 5px 0;
    border-bottom: 1px solid rgb(221 221 221);
}

.color-chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 10px 0;
}

.color-chart-grid>div {
    padding: 10px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.color-chart-grid .color-item {
    margin: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.color-chart-grid .color-swatch {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 1px solid rgb(0 0 0 / 10%);
    border-radius: 3px;
    flex-shrink: 0;
}

.audit-legend {
    display: inline-grid;
    width: fit-content;
    align-self: start;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-alt);
    font-size: 0.85rem;
    line-height: 1.8;
    white-space: nowrap;
}

.audit-callout {
    margin: 1rem 0;
    padding: 1rem;
    border-left: 4px solid;
    border-radius: var(--border-radius);
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.audit-callout--compact {
    padding: 0.75rem;
}

.audit-callout--info {
    border-left-color: #1a73e8;
    background: rgb(240 247 255);
}

.audit-callout--warning {
    border-left-color: #d79a00;
    background: rgb(255 243 205);
}

.audit-callout__title {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: #6a5205;
}

.audit-callout__line {
    margin: 0.5rem 0 0;
}

.audit-callout__line--first {
    margin-top: 0;
}

.audit-callout__footer {
    margin-bottom: 0;
}

.audit-project-summary__title {
    margin-top: 0;
    color: #1a73e8;
}

.audit-project-summary__summary {
    margin: 0.5rem 0;
    font-weight: 600;
}

.audit-project-summary__list {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.audit-project-summary__footer {
    margin-bottom: 0;
}

.audit-details {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.audit-details__summary {
    font-weight: 700;
}

.audit-details__content {
    margin-top: 0.5rem;
}

.audit-highlight {
    margin: 0.5rem 0;
    padding: 0.5rem;
    border-left: 3px solid;
    border-radius: 0.25rem;
}

.audit-highlight--neutral {
    background: rgb(221 221 221);
    border-left-color: #6c757d;
}

.audit-highlight--danger {
    background: rgb(255 243 205);
    border-left-color: #dc3545;
}

.audit-highlight--warning {
    background: rgb(255 243 205);
    border-left-color: #fd7e14;
}

.audit-repeats-title {
    margin: 0.5rem 0;
}

.audit-repeats-title--danger {
    color: #dc3545;
}

.audit-repeats-title--warning {
    color: #fd7e14;
}

.audit-inline-note {
    color: var(--color-warning-text);
}

.contrast-table-wrap {
    margin: 10px 0;
}

.contrast-table {
    width: 100%;
    border-collapse: collapse;
    margin: 5px 0;
    font-size: 0.9em;
}

.contrast-table th,
.contrast-table td {
    border: 1px solid var(--color-border);
    padding: 5px;
    color: var(--color-text);
}

.contrast-table__head-row {
    background: var(--color-bg-alt);
}

.contrast-table__center {
    text-align: center;
}

.contrast-table__row--review {
    background: rgb(255 248 225);
}

.contrast-table__row--low {
    background: rgb(255 224 224);
}

.contrast-table__empty {
    text-align: center;
}

.contrast-color-code {
    font-size: 0.85em;
}

.contrast-summary {
    margin: 5px 0;
    padding: 5px;
    border-left: 3px solid;
}

.contrast-summary--warning {
    background: rgb(255 243 205);
    border-left-color: #ffc107;
}

.contrast-summary--review {
    background: rgb(238 247 255);
    border-left-color: #17a2b8;
}

.favicon-preview {
    width: 24px;
    height: 24px;
    margin-left: 6px;
    border-radius: 4px;
    object-fit: contain;
    vertical-align: middle;
}

/* ========================================
   Light / Dark Mode
   ======================================== */

/* System preference — overrides variables before theme-toggle.js runs (initial paint).
   :not([data-theme="light"]) prevents fighting a user-selected light override. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-text: rgb(220, 220, 225);
        --color-bg: rgb(22, 22, 26);
        --color-bg-alt: rgb(40, 40, 45);
        --color-bg-tertiary: rgb(30, 30, 35);
        --color-border: rgb(255 255 255 / 15%);
        --color-shadow: rgb(0 0 0 / 50%);
        --color-warning-bg: rgb(60, 55, 5);
        --color-warning-border: rgb(80, 75, 15);
        --color-warning-text: rgb(220, 190, 80);
        --color-error-bg: rgb(80, 20, 30);
        --color-error-border: rgb(100, 35, 45);
        --color-error-text: rgb(255, 160, 170);
    }
}

/* JS-toggled dark mode — variables + element-level hardcoded color overrides */
[data-theme="dark"] {
    --color-text: rgb(220, 220, 225);
    --color-bg: rgb(22, 22, 26);
    --color-bg-alt: rgb(40, 40, 45);
    --color-bg-tertiary: rgb(30, 30, 35);
    --color-border: rgb(255 255 255 / 15%);
    --color-shadow: rgb(0 0 0 / 50%);
    --color-warning-bg: rgb(60, 55, 5);
    --color-warning-border: rgb(80, 75, 15);
    --color-warning-text: rgb(220, 190, 80);
    --color-error-bg: rgb(80, 20, 30);
    --color-error-border: rgb(100, 35, 45);
    --color-error-text: rgb(255, 160, 170);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="text"]:focus {
    background: rgb(50, 50, 55);
    color: rgb(220, 220, 225);
    border-color: rgb(255 255 255 / 20%);
}

[data-theme="dark"] .css-stats-box {
    background: rgb(30, 30, 35);
    border-color: rgb(60, 60, 65);
}

[data-theme="dark"] .color-chart-grid>div {
    background: rgb(30, 30, 35);
}

[data-theme="dark"] .audit-callout--info {
    background: rgb(20, 40, 68);
    border-left-color: rgb(108, 173, 255);
}

[data-theme="dark"] .audit-callout--warning {
    background: rgb(65, 55, 15);
    border-left-color: rgb(255, 211, 97);
}

[data-theme="dark"] .audit-callout__title,
[data-theme="dark"] .audit-project-summary__title {
    color: rgb(172, 210, 255);
}

[data-theme="dark"] .audit-highlight--neutral {
    background: rgb(47, 47, 52);
    border-left-color: rgb(160, 170, 182);
}

[data-theme="dark"] .audit-highlight--danger {
    background: rgb(72, 34, 34);
    border-left-color: rgb(255, 140, 140);
}

[data-theme="dark"] .audit-highlight--warning {
    background: rgb(65, 55, 15);
    border-left-color: rgb(255, 196, 96);
}

[data-theme="dark"] .audit-repeats-title--danger {
    color: rgb(255, 150, 150);
}

[data-theme="dark"] .audit-repeats-title--warning {
    color: rgb(255, 196, 125);
}

[data-theme="dark"] .contrast-table__row--review {
    background: rgb(70, 58, 18);
}

[data-theme="dark"] .contrast-table__row--low {
    background: rgb(75, 30, 36);
}

[data-theme="dark"] .contrast-summary--warning {
    background: rgb(65, 55, 15);
    border-left-color: rgb(255, 196, 96);
}

[data-theme="dark"] .contrast-summary--review {
    background: rgb(24, 58, 72);
    border-left-color: rgb(110, 214, 236);
}