/* =====================================================
   PIXELSTUDIO — COLOUR SYSTEM
   Matches the main site: dark base, #FF4D0F accent
===================================================== */

:root {
    --brand: #FF4D0F;
    --bg: #0F0F0F;
    --surface: #1C1C1C;
    --surface-2: #242424;
    --text: #FFFFFF;
    --muted: #A8A8A8;
    --border: rgba(255, 255, 255, 0.1);
    --radius: 18px;
    --font-body: "Inter", system-ui, sans-serif;
    --font-head: "Space Grotesk", "Inter", sans-serif;
}

body.light-mode {
    --bg: #F6F4F1;
    --surface: #FFFFFF;
    --surface-2: #F0EDE9;
    --text: #141414;
    --muted: #5E5E5E;
    --border: rgba(0, 0, 0, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

h1, h2 { font-family: var(--font-head); margin: 0; line-height: 1.1; }

a { color: inherit; }

button, input, select { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

/* ================= NAVBAR ================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 5%;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--brand);
    color: #fff;
    font: 700 1.4rem var(--font-head);
}

.brand-name {
    font: 700 1.6rem var(--font-head);
    letter-spacing: -0.02em;
}

.brand-name span { color: var(--brand); }

.nav-links {
    display: flex;
    gap: 36px;
    margin: 0 auto;
}

.nav-links a {
    position: relative;
    padding: 6px 0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--brand); }

.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: var(--brand);
}

.theme-toggle,
.menu-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    font-size: 1.2rem;
    transition: border-color 0.2s;
}

.theme-toggle:hover,
.menu-toggle:hover { border-color: var(--brand); }

.menu-toggle { display: none; }

/* ================= HERO ================= */

.designer-hero {
    max-width: 1240px;
    margin: 0 auto;
    padding: 72px 5% 40px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: var(--brand);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.eyebrow span { width: 36px; height: 2px; background: var(--brand); }

.designer-hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.6rem);
    letter-spacing: -0.03em;
}

.designer-hero h1 span { display: block; color: var(--brand); }

.designer-hero p {
    max-width: 58ch;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.1rem;
}

/* ================= DESIGNER LAYOUT ================= */

.designer {
    display: grid;
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 32px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px 5% 80px;
    align-items: start;
}

.section-label {
    display: block;
    margin-bottom: 6px;
    color: var(--brand);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
}

/* ---------- Controls ---------- */

.controls {
    position: sticky;
    top: 100px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.control-header { margin-bottom: 24px; }
.control-header h2 { font-size: 1.6rem; }

.control-group { margin-bottom: 20px; }

.control-group > label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
}

.control-group input[type="text"],
.control-group select {
    width: 100%;
    padding: 13px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: border-color 0.2s;
}

.control-group input[type="text"]:focus,
.control-group select:focus { border-color: var(--brand); outline: none; }

.color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.control-group input[type="color"] {
    width: 100%;
    height: 50px;
    padding: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
}

.background-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.background-btn {
    padding: 11px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

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

.background-btn.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    font-weight: 600;
}

.download-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 8px;
    padding: 16px 20px;
    background: var(--brand);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, filter 0.2s;
}

.download-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.download-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

/* ---------- Preview ---------- */

.preview-area {
    min-width: 0;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 20px;
}

.preview-header h2 { font-size: 1.6rem; }

#previewStatus {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* ================= CTA ================= */

.designer-cta {
    max-width: 1240px;
    margin: 0 auto 80px;
    padding: 56px 5%;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
}

.designer-cta h2 { max-width: 20ch; margin: 0 auto 28px; font-size: clamp(1.8rem, 4vw, 3rem); }
.designer-cta h2 span { color: var(--brand); }

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 30px;
    background: var(--brand);
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: gap 0.2s, filter 0.2s;
}

.cta-btn:hover { gap: 16px; filter: brightness(1.08); }

/* ================= FOOTER ================= */

.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 36px 5%;
    border-top: 1px solid var(--border);
    color: var(--muted);
}

.footer-brand p { margin: 10px 0 0; max-width: 34ch; font-size: 0.9rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--brand); }
.footer-copy { font-size: 0.85rem; }

/* ================= RESPONSIVE ================= */

@media (max-width: 960px) {
    .designer { grid-template-columns: 1fr; }
    .controls { position: static; }
}

@media (max-width: 800px) {
    .menu-toggle { display: block; }
    .theme-toggle { margin-left: auto; }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        flex-direction: column;
        gap: 0;
        margin: 0;
        padding: 8px 5% 16px;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        display: none;
    }

    .nav-links.open { display: flex; }
    .nav-links a { padding: 14px 0; }
    .nav-links a.active::after { display: none; }
    .nav-links a.active { color: var(--brand); }
}

@media (max-width: 600px) {
    .versions { grid-template-columns: 1fr; }
    .logo-preview { padding: 24px; min-height: 280px; }
    .logo-symbol svg { width: 80px; height: 80px; }
    .controls, .preview-area { padding: 20px; }
    .designer-info { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; scroll-behavior: auto !important; }
}


/* =====================================================
   COLOUR SYSTEM — page specific
===================================================== */

.control-group .hex-row { display: grid; grid-template-columns: 64px 1fr; gap: 10px; }
.control-group .hex-row input[type="text"] { font-family: ui-monospace, Consolas, monospace; text-transform: uppercase; }

.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }

.ghost-btn {
    padding: 13px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s;
}
.ghost-btn:hover { border-color: var(--brand); }

.block { margin-top: 36px; }
.block > h3 { margin: 0 0 6px; font: 700 1.25rem var(--font-head); }
.block > p.hint { margin: 0 0 16px; color: var(--muted); font-size: 0.9rem; }

.group-title { margin: 26px 0 12px; font-weight: 600; color: var(--muted); font-size: 0.9rem; }
.group-title:first-child { margin-top: 0; }

.swatch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }

.swatch { background: var(--bg); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }

.swatch-color {
    display: flex;
    align-items: flex-end;
    height: 110px;
    padding: 14px;
    font-weight: 700;
    font-family: var(--font-head);
}

.swatch-codes button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 9px 14px;
    background: none;
    border: none;
    border-top: 1px solid var(--border);
    cursor: pointer;
    text-align: left;
    font-size: 0.8rem;
    transition: background 0.15s;
}
.swatch-codes button:hover { background: var(--surface-2); }
.swatch-codes span { color: var(--muted); font-size: 0.7rem; letter-spacing: 0.08em; }
.swatch-codes code { font-family: ui-monospace, Consolas, monospace; font-size: 0.78rem; white-space: nowrap; }

.variations { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.var-card { padding: 24px; border: 1px solid var(--border); border-radius: 14px; }
.var-card small { font-size: 0.78rem; font-weight: 600; }
.var-card h4 { margin: 8px 0 6px; font: 700 1.4rem var(--font-head); }
.var-card p { margin: 0 0 18px; font-size: 0.9rem; }
.var-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.var-btn { padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 0.85rem; }
.var-chip { padding: 8px 14px; border: 1.5px solid; border-radius: 999px; font-weight: 600; font-size: 0.85rem; }
.var-surface { padding: 14px; border-radius: 10px; font-size: 0.85rem; }

.proportion { display: flex; height: 56px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.proportion div { display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; }

.rules { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.rules li { position: relative; padding-left: 22px; color: var(--muted); font-size: 0.92rem; }
.rules li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 10px; height: 10px; border-radius: 3px; background: var(--brand); }
.rules li strong { color: var(--text); }

.contrast-list { margin-top: 18px; display: grid; gap: 8px; }
.contrast-row {
    display: grid;
    grid-template-columns: 52px 1fr auto auto;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.88rem;
}
.contrast-row .aa { display: grid; place-items: center; height: 36px; border-radius: 8px; font: 700 1rem var(--font-head); }
.contrast-row .ratio { font-family: ui-monospace, Consolas, monospace; color: var(--muted); }
.badge { padding: 3px 10px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; color: #fff; white-space: nowrap; }
.badge.pass { background: #1F9D55; }
.badge.large { background: #B7791F; }
.badge.fail { background: #D64545; }

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 100;
    transform: translate(-50%, 20px);
    padding: 12px 20px;
    background: #141414;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 999px;
    font-size: 0.88rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 700px) {
    .variations { grid-template-columns: 1fr; }
    .contrast-row { grid-template-columns: 44px 1fr; }
    .contrast-row .ratio, .contrast-row .badge { grid-column: 2; justify-self: start; }
}