:root {
    --oc-radius-lg: 0;
    --oc-radius-md: 0;
    --oc-radius-sm: 0;
}

/* Light + dark themes */
html[data-theme="light"] {
    --oc-bg: #f2f2f5;
    --oc-surface: #ffffff;
    --oc-surface-alt: #f7f7fb;
    --oc-primary: #ff0050;
    --oc-primary-dark: #d6003f;
    --oc-primary-soft: rgba(255, 0, 80, 0.18);
    --oc-border: #18181b;
    --oc-border-soft: #d4d4dd;
    --oc-text: #050816;
    --oc-muted: #6b7280;
    --oc-shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.10);
    --oc-overlay-bg: #f3f4ff;
}

html[data-theme="dark"] {
    --oc-bg: #050509;
    --oc-surface: #0b0b12;
    --oc-surface-alt: #11111a;
    --oc-primary: #ff2b6a;
    --oc-primary-dark: #ff0050;
    --oc-primary-soft: rgba(255, 43, 106, 0.22);
    --oc-border: #27272f;
    --oc-border-soft: #1f2937;
    --oc-text: #f9fafb;
    --oc-muted: #9ca3af;
    --oc-shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.65);
    --oc-overlay-bg: radial-gradient(circle at top, #1f2937 0, #020617 70%);
}

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

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--oc-bg);
    color: var(--oc-text);
    line-height: 1.6;
    text-rendering: geometricPrecision;
}

/* HEADER */

header {
    background: var(--oc-surface);
    color: var(--oc-text);
    border-bottom: 2px solid var(--oc-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.16);
}

.header-inner {
    max-width: 1366px;
    margin: 0 auto;
    padding: 14px 15px 10px;
}

.brand-row {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 16px;
}

.brand-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.brand-title span {
    color: var(--oc-primary);
}

.brand-title a {
    color: inherit;
    text-decoration: none;
}

.brand-title a:hover {
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

.brand-subtitle {
    font-size: 13px;
    color: var(--oc-muted);
    margin-top: 3px;
    max-width: 540px;
}

.mode-links {
    margin-top: 8px;
    font-size: 11px;
    color: var(--oc-muted);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mode-links a {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: transparent;
    color: var(--oc-primary);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.mode-links a:hover {
    background: var(--oc-primary);
    color: #fff;
}

/* THEME TOGGLE */

.theme-toggle {
    display: flex;
    align-items: flex-start;
}

.theme-toggle-btn {
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: var(--oc-surface-alt);
    color: var(--oc-muted);
    font-size: 11px;
    padding: 6px 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.theme-toggle-btn:hover {
    background: var(--oc-primary-soft);
    color: var(--oc-text);
}

.theme-toggle-icon {
    font-size: 13px;
    line-height: 1;
}

.theme-toggle-label {
    font-weight: 600;
}

/* CATEGORY NAV */

.cat-nav {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cat-nav a {
    display: inline-flex;
    align-items: center;
    padding: 7px 14px;
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: var(--oc-surface-alt);
    color: var(--oc-muted);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.cat-nav a.active {
    background: var(--oc-primary);
    color: #ffffff;
    border-color: var(--oc-primary-dark);
}

.cat-nav a:hover {
    background: var(--oc-primary-soft);
    color: var(--oc-text);
}

/* LAYOUT */

.layout {
    max-width: 1366px;
    margin: 16px auto 26px;
    padding: 0 15px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* Main content: takes remaining space, can shrink, allow contents to wrap */
.main-panel {
    flex: 1 1 0;
    min-width: 0;
}

/* Sidebar: fixed-ish width on desktop so it doesn't collapse */
.sidebar-section {
    flex: 0 0 260px;
    max-width: 280px;
}

@media (max-width: 900px) {
    .layout {
        flex-direction: column;
    }

    .sidebar-section {
        flex: 1 1 auto;
        max-width: none;
    }
}

/* TOP AD */

.page-top-ad {
    background: var(--oc-surface);
    border-bottom: 1px solid var(--oc-border-soft);
}

.page-top-ad-inner {
    max-width: 1366px;
    margin: 0 auto;
    padding: 6px 15px 10px;
}

/* PANEL / CORE BLOCKS */

.panel {
    background: var(--oc-surface);
    border-radius: 0;
    border: 1px solid var(--oc-border);
    padding: 18px 18px 14px;
    box-shadow: var(--oc-shadow-soft);
}

h1 {
    margin: 0 0 8px;
    font-size: 22px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.subtext {
    font-size: 13px;
    color: var(--oc-muted);
    margin-bottom: 10px;
}

/* FORM CONTROLS */

.controls-grid {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.controls-col {
    flex: 1;
    min-width: 260px;
    border-radius: 0;
    border: 1px solid var(--oc-border-soft);
    padding: 10px 12px;
    background: var(--oc-surface-alt);
}

.controls-col label {
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
    color: var(--oc-muted);
}

select,
.text-input {
    width: 100%;
    padding: 7px 9px;
    border-radius: 0;
    border: 1px solid var(--oc-border-soft);
    font-size: 13px;
    background: #ffffff;
    color: var(--oc-text);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

html[data-theme="dark"] select,
html[data-theme="dark"] .text-input {
    background: #020617;
    color: var(--oc-text);
}

select:focus,
.text-input:focus {
    border-color: var(--oc-primary);
    box-shadow: 0 0 0 1px var(--oc-primary);
    background: #ffffff;
}

html[data-theme="dark"] select:focus,
html[data-theme="dark"] .text-input:focus {
    background: #020617;
}

.col-label {
    font-size: 12px;
    margin-bottom: 6px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    color: var(--oc-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge {
    font-size: 11px;
    color: var(--oc-muted);
}

.aspect-input-row {
    display: flex;
    gap: 5px;
    align-items: center;
}

.aspect-input {
    max-width: 70px;
    text-align: center;
}

.aspect-separator {
    font-size: 12px;
    color: var(--oc-muted);
    padding: 0 2px;
}

.compare-row {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

#compareBtn {
    padding: 8px 24px;
    border-radius: 0;
    border: 2px solid var(--oc-primary);
    background: var(--oc-primary);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
    transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.07s ease;
}

#compareBtn:hover {
    background: var(--oc-primary-dark);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.6);
    transform: translateY(-1px);
}

#compareBtn:active {
    transform: translateY(0);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.4);
}

.url-hint {
    font-size: 11px;
    color: var(--oc-muted);
}

.url-hint strong {
    color: var(--oc-text);
}

/* ADS */

.ad {
    border-radius: 0;
    border: 1px dashed var(--oc-border-soft);
    margin-top: 6px;
    padding: 6px 6px 4px;
    background: #f9fafc;
    max-width: 100%;
    overflow: hidden;          /* prevent the ad from spilling over panel/sidebar */
}

html[data-theme="dark"] .ad {
    background: #020617;
}

/* keep AdSense inside the container */
.ad ins.adsbygoogle {
    display: block !important;
    max-width: 100% !important;
    height: auto;
    margin: 0 auto !important;
}

.ad ins.adsbygoogle iframe {
    max-width: 100% !important;
}

.ad-label {
    font-size: 10px;
    color: var(--oc-muted);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* In-content ads inside main panel */
.ad-incontent {
    margin-top: 10px;
    margin-bottom: 10px;
}

@media (max-width: 600px) {
    .ad-incontent {
        margin-left: -2px;
        margin-right: -2px;
    }
}

/* COMPARISON BLOCK */

.comparison {
    margin-top: 14px;
    border-top: 1px solid var(--oc-border-soft);
    padding-top: 12px;
}

.result-highlight {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 8px;
    padding: 9px 11px;
    background: var(--oc-primary-soft);
    border-radius: 0;
    border: 1px solid var(--oc-primary-dark);
    color: var(--oc-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-highlight.negative {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.6);
    color: #ef4444;
}

/* OVERLAY VISUALISATION */

.overlay-wrapper {
    margin-top: 10px;
}

.overlay-legend {
    font-size: 11px;
    color: var(--oc-muted);
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-swatch {
    width: 16px;
    height: 12px;
    background: #ccc;
    border-radius: 0;
    border: 1px solid #888;
}

.overlay-visual {
    margin: 0 auto 10px;
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: var(--oc-overlay-bg);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 340px;
    max-width: 100%;
    overflow: hidden;
}

.overlay-visual .rect-a,
.overlay-visual .rect-b {
    position: absolute;
    border-radius: 0;
    border: 2px solid #000;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.6);
}

.overlay-visual .rect-a {
    background: rgba(59, 130, 246, 0.5);
    border-color: #1d4ed8;
}

.overlay-visual .rect-b {
    background: rgba(34, 197, 94, 0.45);
    border-color: #15803d;
}

/* Alignment states */

.overlay-visual.align-tl .rect-a,
.overlay-visual.align-tl .rect-b {
    top: 18px;
    left: 18px;
    right: auto;
    bottom: auto;
    transform: none;
}

.overlay-visual.align-tr .rect-a,
.overlay-visual.align-tr .rect-b {
    top: 18px;
    right: 18px;
    left: auto;
    bottom: auto;
    transform: none;
}

.overlay-visual.align-bl .rect-a,
.overlay-visual.align-bl .rect-b {
    bottom: 18px;
    left: 18px;
    right: auto;
    top: auto;
    transform: none;
}

.overlay-visual.align-br .rect-a,
.overlay-visual.align-br .rect-b {
    bottom: 18px;
    right: 18px;
    left: auto;
    top: auto;
    transform: none;
}

.overlay-visual.align-top .rect-a,
.overlay-visual.align-top .rect-b {
    top: 18px;
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translateX(-50%);
}

.overlay-visual.align-bottom .rect-a,
.overlay-visual.align-bottom .rect-b {
    bottom: 18px;
    left: 50%;
    right: auto;
    top: auto;
    transform: translateX(-50%);
}

.overlay-visual.align-left .rect-a,
.overlay-visual.align-left .rect-b {
    top: 50%;
    left: 18px;
    right: auto;
    bottom: auto;
    transform: translateY(-50%);
}

.overlay-visual.align-right .rect-a,
.overlay-visual.align-right .rect-b {
    top: 50%;
    right: 18px;
    left: auto;
    bottom: auto;
    transform: translateY(-50%);
}

.overlay-visual.align-center .rect-a,
.overlay-visual.align-center .rect-b {
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translate(-50%, -50%);
}

/* Rect labels (kept hidden but styled) */

.rect-label {
    position: absolute;
    display: none;
    font-size: 11px;
    color: #ffffff;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.9);
    pointer-events: none;
    font-weight: 700;
    z-index: 2;
}

.rect-label-a {
    top: 6px;
    left: 8px;
}

.rect-label-b {
    bottom: 6px;
    right: 8px;
}

/* Alignment buttons */

.align-corner-btn {
    position: absolute;
    width: 26px;
    height: 26px;
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: rgba(255, 255, 255, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    color: var(--oc-muted);
    padding: 0;
    z-index: 3;
    text-transform: uppercase;
}

html[data-theme="dark"] .align-corner-btn {
    background: rgba(15, 23, 42, 0.96);
    color: var(--oc-muted);
}

.align-corner-btn:hover {
    background: var(--oc-primary-soft);
}

.align-corner-btn.align-tl-btn { top: 8px; left: 8px; }
.align-corner-btn.align-tr-btn { top: 8px; right: 8px; }
.align-corner-btn.align-bl-btn { bottom: 8px; left: 8px; }
.align-corner-btn.align-br-btn { bottom: 8px; right: 8px; }

.align-corner-btn.align-top-btn {
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.align-corner-btn.align-bottom-btn {
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.align-corner-btn.align-left-btn {
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
}

.align-corner-btn.align-right-btn {
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
}

.align-corner-btn.align-center-btn {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.overlay-visual.align-tl .align-corner-btn.align-tl-btn,
.overlay-visual.align-tr .align-corner-btn.align-tr-btn,
.overlay-visual.align-bl .align-corner-btn.align-bl-btn,
.overlay-visual.align-br .align-corner-btn.align-br-btn,
.overlay-visual.align-top .align-corner-btn.align-top-btn,
.overlay-visual.align-bottom .align-corner-btn.align-bottom-btn,
.overlay-visual.align-left .align-corner-btn.align-left-btn,
.overlay-visual.align-right .align-corner-btn.align-right-btn,
.overlay-visual.align-center .align-corner-btn.align-center-btn {
    background: var(--oc-primary);
    color: #ffffff;
    border-color: var(--oc-primary-dark);
}

/* SCREEN STATS */

.screens-row {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.screen-box {
    flex: 1;
    min-width: 260px;
    border-radius: 0;
    border: 1px solid var(--oc-border-soft);
    padding: 10px 12px;
    background: var(--oc-surface-alt);
}

.screen-box h3 {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.screen-meta {
    margin: 0 0 6px;
    font-size: 11px;
    color: var(--oc-muted);
}

.screen-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 11px;
}

.screen-stats div {
    min-width: 90px;
}

.screen-stats dt {
    margin: 0;
    color: var(--oc-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.screen-stats dd {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* DETAIL TABLE */

.detail-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 11px;
    border-radius: 0;
    overflow: hidden;
}

.detail-table th,
.detail-table td {
    border: 1px solid var(--oc-border-soft);
    padding: 5px 7px;
    text-align: right;
}

.detail-table th:first-child,
.detail-table td:first-child {
    text-align: left;
}

.detail-table thead {
    background: #e5e7eb;
}

html[data-theme="dark"] .detail-table thead {
    background: #111827;
}

.detail-table tr:nth-child(even) {
    background: #f9fafb;
}

.detail-table tr:nth-child(odd) {
    background: #ffffff;
}

html[data-theme="dark"] .detail-table tr:nth-child(even),
html[data-theme="dark"] .detail-table tr:nth-child(odd) {
    background: #020617;
}

.diff-pos {
    color: #16a34a;
    font-weight: 700;
}

.diff-neg {
    color: #f97316;
    font-weight: 700;
}

.diff-neutral {
    color: var(--oc-muted);
}

/* SUMMARY + NOTES */

.summary-line {
    margin-top: 10px;
    font-size: 11px;
    color: #374151;
}

html[data-theme="dark"] .summary-line {
    color: #9ca3af;
}

.summary-line strong {
    font-weight: 700;
}

.shape-line {
    margin-top: 6px;
    font-size: 11px;
    color: var(--oc-muted);
}

.note-row {
    margin-top: 10px;
    font-size: 11px;
    color: var(--oc-muted);
    display: flex;
    justify-content: space-between;
    gap: 6px;
    flex-wrap: wrap;
}

/* SIDEBAR */

.sidebar-card {
    margin-bottom: 12px;
    border-radius: 0;
    border: 1px solid var(--oc-border);
    background: var(--oc-surface);
    padding: 10px 12px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.sidebar-card h2 {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sidebar-card p {
    margin: 0 0 6px;
    font-size: 12px;
    color: var(--oc-muted);
}

.sidebar-card ul {
    margin: 0 0 0 18px;
    padding: 0;
    font-size: 11px;
    color: #4b5563;
}

html[data-theme="dark"] .sidebar-card ul {
    color: #9ca3af;
}

.sidebar-card li {
    margin-bottom: 3px;
}

.sidebar-cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 11px;
}

.sidebar-cat-list li {
    margin-bottom: 3px;
}

.sidebar-cat-list a {
    color: var(--oc-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-cat-list a:hover {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

.sidebar-cat-list a.active {
    font-weight: 700;
    color: var(--oc-primary-dark);
}

.ad-sidebar {
    margin-top: 12px;
}

.ad-footer {
    margin-top: 4px;
}

/* SHARE + VOTE */

.share-input {
    width: 100%;
    padding: 6px 8px;
    font-size: 11px;
    border-radius: 0;
    border: 1px solid var(--oc-border-soft);
    background: #ffffff;
    color: var(--oc-text);
}

html[data-theme="dark"] .share-input {
    background: #020617;
}

.share-input:focus {
    outline: none;
    border-color: var(--oc-primary);
    box-shadow: 0 0 0 1px var(--oc-primary);
}

.share-btn {
    margin-top: 6px;
    padding: 5px 12px;
    font-size: 11px;
    cursor: pointer;
    border-radius: 0;
    border: 1px solid var(--oc-primary);
    background: var(--oc-primary);
    color: #ffffff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
}

.share-btn:hover {
    background: var(--oc-primary-dark);
}

.vote-links {
    margin-top: 6px;
    font-size: 11px;
}

.vote-form {
    display: inline-flex;
    gap: 6px;
    margin-left: 4px;
}

.vote-btn {
    border: none;
    background: transparent;
    padding: 0;
    font-size: 11px;
    cursor: pointer;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.vote-btn.yes {
    color: #16a34a;
}

.vote-btn.no {
    color: #f97316;
}

.vote-btn:hover {
    text-decoration: underline;
}

.vote-stats {
    margin-top: 3px;
    font-size: 11px;
    color: var(--oc-muted);
}

/* ERROR BOX */

.error-box {
    border-radius: 0;
    border: 1px solid #f97373;
    background: #fef2f2;
    color: #991b1b;
    padding: 8px 10px;
    font-size: 11px;
    margin-bottom: 10px;
}

html[data-theme="dark"] .error-box {
    background: #450a0a;
    border-color: #fca5a5;
    color: #fecaca;
}

.error-box ul {
    margin: 0 0 0 16px;
    padding: 0;
}

.error-box li {
    margin-bottom: 2px;
}

/* PRESET LINKS */

.preset-links {
    margin-top: 10px;
    font-size: 11px;
    color: var(--oc-muted);
}

.preset-links a {
    color: var(--oc-primary);
    text-decoration: none;
    margin-right: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.preset-links a:hover {
    text-decoration: underline;
}

/* FOOTER */

.site-footer {
    margin-top: 18px;
    background: var(--oc-surface);
    border-top: 1px solid var(--oc-border-soft);
}

.footer-inner {
    max-width: 1366px;
    margin: 0 auto;
    padding: 8px 15px 6px;
    display: flex;
    justify-content: space-between;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 11px;
    color: var(--oc-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.footer-ad-bar {
    width: 100%;
    padding: 10px 0 14px;
    background: #f9fafc;
    border-top: 1px solid var(--oc-border-soft);
}

html[data-theme="dark"] .footer-ad-bar {
    background: #020617;
}

.footer-ad-inner {
    max-width: 1366px;
    margin: 0 auto;
    padding: 0 15px;
}

/* CODE ELEMENTS */

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 11px;
    background: var(--oc-surface-alt);
    padding: 2px 4px;
    border-radius: 0;
    border: 1px solid var(--oc-border-soft);
}

html[data-theme="dark"] code {
    background: #020617;
}