/* === NARK — Swiss Design === */

:root {
    --black: #000000;
    --white: #ffffff;
    --red: #ff0000;
    --green: #00874a;
    --yellow: #d4a017;
    --grey-100: #f5f5f5;
    --grey-200: #e0e0e0;
    --grey-400: #999999;
    --grey-600: #666666;
    --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--black);
    line-height: 1.5;
}

/* --- Layout --- */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Header --- */

header {
    border-bottom: 4px solid var(--black);
    padding: 2rem 0 1.5rem;
    margin-bottom: 3rem;
}

header .container {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

h1 span {
    color: var(--red);
}

.subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--grey-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Sections --- */

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--grey-400);
    border-bottom: 2px solid var(--black);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* --- Form --- */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.375rem;
    color: var(--black);
}

input[type="text"],
textarea {
    font-family: var(--font);
    font-size: 0.9375rem;
    padding: 0.75rem;
    border: 2px solid var(--black);
    background: var(--white);
    color: var(--black);
    outline: none;
    transition: border-color 0.15s;
}

input[type="text"]:focus,
textarea:focus {
    border-color: var(--red);
}

textarea {
    resize: vertical;
    min-height: 6rem;
    line-height: 1.6;
}

/* --- Buttons --- */

.btn {
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.75rem 2rem;
    border: 2px solid var(--black);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--red);
    border-color: var(--red);
}

.btn-primary:disabled {
    background: var(--grey-400);
    border-color: var(--grey-400);
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--white);
    color: var(--black);
}

.btn-secondary:hover {
    background: var(--black);
    color: var(--white);
}

.btn-small {
    font-size: 0.6875rem;
    padding: 0.375rem 1rem;
}

/* --- Results Table --- */

.table-wrap {
    overflow-x: auto;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

thead th {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: left;
    padding: 0.75rem 0.75rem;
    border-bottom: 3px solid var(--black);
    white-space: nowrap;
    color: var(--black);
}

tbody td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--grey-200);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: top;
}

tbody td.url-cell {
    max-width: 220px;
    color: var(--red);
    font-weight: 500;
}

tbody tr:hover td {
    background: var(--grey-100);
}

tbody tr.selected-compare td {
    background: #fff3cd;
    border-bottom-color: var(--yellow);
}

td.empty {
    color: var(--grey-400);
    font-style: italic;
}

/* --- Flags --- */

.flag-badge {
    display: inline-block;
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--red);
    color: var(--white);
    padding: 0.125rem 0.4rem;
}

.flag-ok {
    display: inline-block;
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--green);
    color: var(--white);
    padding: 0.125rem 0.4rem;
}

td.flag-red {
    color: var(--red);
    font-weight: 700;
}

td.flag-yellow {
    color: var(--yellow);
    font-weight: 700;
}

.detail-flags {
    background: var(--grey-100);
    border-left: 4px solid var(--red);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
}

.detail-flags .flag-badge {
    margin-left: 0.25rem;
    margin-bottom: 0.25rem;
}

/* --- Char Counts --- */

.char-count {
    display: inline-block;
    font-size: 0.625rem;
    color: var(--grey-600);
    margin-top: 0.125rem;
    font-variant-numeric: tabular-nums;
}

/* --- Report History --- */

.report-list {
    list-style: none;
}

.report-item {
    display: grid;
    grid-template-columns: 1fr auto auto auto auto auto auto;
    gap: 0.5rem;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--grey-200);
}

.report-item:first-child {
    border-top: 1px solid var(--grey-200);
}

.report-name {
    font-weight: 700;
    font-size: 0.9375rem;
}

.report-date {
    font-size: 0.75rem;
    color: var(--grey-600);
    font-variant-numeric: tabular-nums;
}

.delete-btn {
    color: var(--red) !important;
    border-color: var(--red) !important;
}

.delete-btn:hover {
    background: var(--red) !important;
    color: var(--white) !important;
}

/* --- Pagination --- */

.pagination {
    display: flex;
    gap: 0.25rem;
    margin-top: 1rem;
}

.page-btn {
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 700;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--black);
    background: var(--white);
    cursor: pointer;
    transition: all 0.15s;
}

.page-btn:hover {
    background: var(--black);
    color: var(--white);
}

.page-btn.active {
    background: var(--black);
    color: var(--white);
}

/* --- Status / Loader --- */

.status {
    padding: 1rem;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: none;
}

.status.active {
    display: block;
}

.status.loading {
    color: var(--grey-600);
}

.status.error {
    color: var(--red);
}

.loader {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--grey-200);
    border-top-color: var(--black);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Empty State --- */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--grey-400);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Detail Modal --- */

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    justify-content: center;
    align-items: flex-start;
    padding: 4rem 2rem;
    overflow-y: auto;
}

.overlay.active {
    display: flex;
}

.detail-card {
    background: var(--white);
    border: 2px solid var(--black);
    max-width: 700px;
    width: 100%;
    padding: 2rem;
}

.detail-card h3 {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--grey-400);
    margin-top: 1.25rem;
    margin-bottom: 0.25rem;
}

.detail-card h3:first-child {
    margin-top: 0;
}

.detail-card p {
    font-size: 0.9375rem;
    line-height: 1.5;
    word-break: break-word;
}

.detail-card p.empty-val {
    color: var(--grey-400);
    font-style: italic;
}

.detail-card .close-btn {
    float: right;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    font-weight: 700;
    line-height: 1;
}

.detail-card .close-btn:hover {
    color: var(--red);
}

/* --- H-Tag Tree --- */

.htag-tree {
    border-left: 3px solid var(--black);
    padding-left: 0;
    margin: 0.5rem 0;
    max-height: 400px;
    overflow-y: auto;
}

.htag-item {
    font-size: 0.8125rem;
    line-height: 1.8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.htag-label {
    display: inline-block;
    width: 2rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-align: center;
    background: var(--black);
    color: var(--white);
    padding: 0.05rem 0;
    margin-right: 0.375rem;
    vertical-align: middle;
}

.htag-level-1 { padding-left: 0.5rem; }
.htag-level-1 .htag-label { background: var(--red); }
.htag-level-2 { padding-left: 1.75rem; }
.htag-level-3 { padding-left: 3rem; }
.htag-level-4 { padding-left: 4.25rem; }
.htag-level-5 { padding-left: 5.5rem; }
.htag-level-6 { padding-left: 6.75rem; }

/* --- Title Map --- */

.title-map {
    margin: 0.5rem 0;
}

.title-map-row {
    border-bottom: 1px solid var(--grey-200);
    padding: 0.5rem 0;
}

.title-map-row:last-child {
    border-bottom: none;
}

.title-map-value {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    word-break: break-word;
}

.title-map-sources {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.title-map-tag {
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--grey-100);
    border: 1px solid var(--grey-200);
    padding: 0.125rem 0.5rem;
    color: var(--grey-600);
}

/* --- Hreflang --- */

.hreflang-list {
    margin: 0.5rem 0;
}

.hreflang-item {
    font-size: 0.8125rem;
    line-height: 1.8;
    word-break: break-all;
}

.hreflang-lang {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    background: var(--black);
    color: var(--white);
    padding: 0.05rem 0.375rem;
    margin-right: 0.375rem;
    min-width: 2rem;
    text-align: center;
    vertical-align: middle;
}

/* --- Comparison Table --- */

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.compare-table th {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: left;
    padding: 0.75rem;
    border-bottom: 3px solid var(--black);
}

.compare-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--grey-200);
    vertical-align: top;
    max-width: 350px;
    word-break: break-word;
}

.compare-table .compare-field {
    font-weight: 700;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
    color: var(--grey-600);
    width: 120px;
}

.compare-table tr.compare-diff td {
    background: #fff3cd;
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .report-item {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .report-name {
        grid-column: 1 / -1;
    }

    h1 {
        font-size: 1.75rem;
    }

    header .container {
        flex-direction: column;
        gap: 0.25rem;
    }
}