/* ── PAGE HERO ── */
.page-hero {
    text-align: center;
    padding: 3rem 1.5rem 2rem;
}

.page-hero .hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 5px 14px 5px 6px;
    font-size: 10px;
    font-weight: 600;
    color: var(--ink2);
    margin-bottom: 1.4rem;
}

.page-hero .hero-pill-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #A855F7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
}

.page-hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--ink);
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.page-hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--primary), #A855F7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero p {
    font-size: 1rem;
    color: var(--muted);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ── MAIN LAYOUT ── */
.qr-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
    align-items: start;
}

/* ── SECTION LABEL ── */
.sec-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.65rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sec-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── SETTINGS PANEL ── */
.settings-panel {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.setting-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 16px 18px;
}

.setting-card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.stitle-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

/* Input / Textarea */
.qr-input {
    width: 100%;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    outline: none;
    font-family: 'Fira Code', monospace;
    font-size: 13.5px;
    color: var(--ink);
    padding: 10px 13px;
    resize: none;
    min-height: 80px;
    background: var(--bg);
    line-height: 1.6;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.qr-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 79, 233, 0.1);
}

.qr-input::placeholder {
    color: var(--muted);
}

/* Presets row */
.preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.preset-btn {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 100px;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink2);
    cursor: pointer;
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: all 0.15s;
}

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

/* Row layout inside card */
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.setting-row:last-child {
    margin-bottom: 0;
}

.setting-row label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink2);
    min-width: 90px;
    flex-shrink: 0;
}

.setting-row input[type="color"] {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    border: 1.5px solid var(--border);
    padding: 2px;
    cursor: pointer;
    background: var(--bg);
}

.setting-row input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
    cursor: pointer;
}

.range-val {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Fira Code', monospace;
    min-width: 44px;
    text-align: right;
}

.color-pair {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: flex-end;
}

.color-hex {
    font-size: 11px;
    font-family: 'Fira Code', monospace;
    color: var(--muted);
    min-width: 64px;
}

/* Shape options */
.shape-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.shape-opt {
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 10px 6px;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    background: var(--bg);
}

.shape-opt:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.shape-opt.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.shape-opt svg {
    display: block;
    margin: 0 auto 5px;
}

.shape-opt span {
    font-size: 10px;
    font-weight: 700;
    color: var(--ink2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.shape-opt.selected span {
    color: var(--primary);
}

/* Error correction */
.ec-options {
    display: flex;
    gap: 6px;
}

.ec-btn {
    flex: 1;
    padding: 8px 4px;
    border-radius: 9px;
    border: 1.5px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    color: var(--ink2);
    font-family: 'Plus Jakarta Sans', sans-serif;
    text-align: center;
    transition: all 0.15s;
}

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

.ec-btn.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.ec-btn small {
    display: block;
    font-size: 9px;
    font-weight: 500;
    color: var(--muted);
    margin-top: 2px;
}

.ec-btn.selected small {
    color: var(--primary);
    opacity: 0.7;
}

/* ── PREVIEW PANEL ── */
.preview-panel {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.qr-preview-box {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.qr-canvas-wrap {
    width: 260px;
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

#qrCanvas {
    border-radius: 12px;
    max-width: 260px;
    max-height: 260px;
}

.qr-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    width: 200px;
    height: 200px;
}

.qr-empty-icon {
    font-size: 48px;
    opacity: 0.25;
}

.qr-empty-text {
    font-size: 12.5px;
    color: var(--muted);
    line-height: 1.6;
}

/* Action buttons */
.action-btns {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.action-btn {
    width: 100%;
    padding: 11px 16px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.15s;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: #4A3FD4;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #1ebe5a;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--ink2);
}

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

.btn-row {
    display: flex;
    gap: 8px;
}

.btn-row .action-btn {
    flex: 1;
}

/* Format selector */
.format-row {
    display: flex;
    gap: 6px;
    width: 100%;
}

.fmt-btn {
    flex: 1;
    padding: 7px;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    color: var(--ink2);
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: all 0.15s;
    text-align: center;
}

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

.fmt-btn.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

/* QR Info stats */
.qr-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
}

.qr-stat {
    background: var(--bg);
    border-radius: 10px;
    padding: 10px 12px;
    text-align: center;
}

.qr-stat-num {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
}

.qr-stat-lbl {
    font-size: 10px;
    color: var(--muted);
    font-weight: 500;
}

/* ── INFO STRIP ── */
.qr-info {
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.qr-info-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.qr-info-block h3 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qr-info-block p {
    font-size: 12.5px;
    color: var(--muted);
    line-height: 1.7;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
    .qr-layout {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        position: static;
    }

    .qr-preview-box {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 500px) {
    .shape-options {
        grid-template-columns: repeat(3, 1fr);
    }

    .qr-canvas-wrap {
        width: 220px;
        height: 220px;
    }

    #qrCanvas {
        max-width: 220px;
        max-height: 220px;
    }
}