/* ============================================================
   Impergo 3D Configurator — Scoped Styles
   All rules are scoped under .cfg3d-root (or body.cfg3d-active)
   so they cannot leak into the rest of the site.
   ============================================================ */

/* The configurator becomes a full-viewport overlay so the site
   header/footer/CSS cannot interfere with it. */
.cfg3d-root {
    --cfg-primary: #EAB308;          /* Corporate Dark Yellow */
    --cfg-primary-light: #FEF9C3;
    --cfg-primary-dark: #CA8A04;
    --primary: var(--cfg-primary);
    --primary-light: var(--cfg-primary-light);
    --primary-dark: var(--cfg-primary-dark);
    --cfg-bg: #f8fafc;
    --cfg-panel-bg: rgba(255, 255, 255, 0.95);
    --cfg-text: #0F172A;             /* Slate 900 */
    --cfg-text-light: #64748B;       /* Slate 500 */
    --cfg-border: #E2E8F0;
    --cfg-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --cfg-radius: 12px;

    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 9999;
    color: var(--cfg-text);
    background-color: var(--cfg-bg);
    overflow: hidden;
    overscroll-behavior: none; /* Sayfanın lastik gibi kaymasını engeller */
}

/* Reset only inside the configurator */
.cfg3d-root,
.cfg3d-root *,
.cfg3d-root *::before,
.cfg3d-root *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
}

/* When the configurator page is active, lock body scroll */
body.cfg3d-active {
    overflow: hidden;
    height: 100vh;
    height: 100dvh; /* Modern mobil tarayıcılar için tam görünür alan */
    margin: 0;
    padding: 0;
    overscroll-behavior: none; /* iOS Safari rubber-band kayma etkisini durdurur */
}

/* Canvas host: 3D renderer's <canvas> is appended here */
.cfg3d-root #cfg3d-canvas-host {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.cfg3d-root #cfg3d-canvas-host > canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* ---------- Floating header (CMS logo / back button) ---------- */
.cfg3d-root .floating-header {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1100;
}

.cfg3d-root .floating-header .back-btn,
.cfg3d-root .floating-header .floating-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--cfg-border);
    border-radius: 50px;
    padding: 8px 14px;
    color: var(--cfg-text);
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.2s;
}

.cfg3d-root .floating-header .back-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

.cfg3d-root .floating-header .back-btn:hover {
    background: var(--cfg-primary);
    color: #fff;
    border-color: var(--cfg-primary);
}

.cfg3d-root .floating-header .floating-logo img {
    display: block;
    height: 28px;
    width: auto;
}

/* ---------- Canvas Controls ---------- */
.cfg3d-root .canvas-controls {
    position: absolute;
    bottom: 30px;
    left: 20px;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    width: max-content; /* İçeriğe göre uzasın */
    max-width: calc(100% - 40px); /* Ekrandan taşmasın */
    gap: 8px;
    z-index: 100;
    padding: 8px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* Global Buton Sıralaması */
.cfg3d-root #btn-pan          { order: 1; display: flex !important; }
.cfg3d-root #btn-scene-bg     { order: 2; }
.cfg3d-root #btn-zoom-in      { order: 3; }
.cfg3d-root #btn-zoom-out     { order: 4; }
.cfg3d-root #btn-bg-zoom-in   { order: 5; }
.cfg3d-root #btn-bg-zoom-out  { order: 6; }
.cfg3d-root #btn-bg-clear     { order: 7; }
.cfg3d-root #btn-toggle-grid  { order: 8; }

.cfg3d-root .canvas-btn {
    width: 28px;
    height: 28px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    color: #475569;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.cfg3d-root .canvas-btn:hover {
    background: #f8fafc;
    color: var(--cfg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.cfg3d-root .canvas-btn.active {
    background: var(--cfg-primary);
    color: #000;
    border-color: var(--cfg-primary);
}
.cfg3d-root .canvas-btn.active svg { color: #000; stroke: #000; }
/* Tüm aktif butonlarda ikon/svg siyah olsun (turuncu zemin üstünde okunaklı) */
.cfg3d-root .tab-btn.active svg,
.cfg3d-root .feature-btn.active svg,
.cfg3d-root .feature-btn.active i,
.cfg3d-root .option-card.active svg,
.cfg3d-root .option-card.active i,
.cfg3d-root .wall-option.active svg,
.cfg3d-root .wall-option.active .wall-icon,
.cfg3d-root .mech-tab.active svg,
.cfg3d-root .btn-group button.active svg { color: #000 !important; stroke: #000 !important; }

.cfg3d-root .canvas-btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* ---------- UI Panel ---------- */
.cfg3d-root #ui-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    bottom: 20px;
    height: calc(100dvh - 40px);
    width: 340px; /* 400px -> 340px */
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12), inset 0 0 0 1px rgba(255,255,255,0.6);
    display: flex;
    flex-direction: column;
    overflow: visible;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: 1000;
}

.cfg3d-root #ui-panel.minimized {
    transform: translateX(100%);
}

/* Side Toggle Button */
.cfg3d-root #btn-side-toggle {
    position: absolute;
    left: -32px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 70px;
    background: var(--cfg-text);
    border: none;
    border-radius: 8px 0 0 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: -4px 0 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.cfg3d-root #btn-side-toggle:hover {
    background: var(--cfg-primary);
    width: 40px;
    left: -40px;
}

.cfg3d-root #btn-side-toggle svg {
    transition: transform 0.4s;
    width: 20px;
    height: 20px;
}

.cfg3d-root .minimized #btn-side-toggle svg {
    transform: rotate(180deg);
}

.cfg3d-root .panel-header {
    padding: 24px 24px 16px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    text-align: center;
    background: transparent;
    color: var(--cfg-text);
    border-bottom: none;
}

.cfg3d-root .panel-title {
    font-weight: 800;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #0f172a;
    width: 100%;
}

.cfg3d-root .panel-title svg {
    color: var(--cfg-primary);
}

.cfg3d-root .cfg-night-toggle {
    min-width: 92px;
    height: 26px;
    border: 1px solid var(--cfg-border);
    border-radius: 999px;
    background: #fff;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.cfg3d-root .cfg-night-toggle svg {
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
}

.cfg3d-root .cfg-night-label {
    font-size: 10px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: .35px;
    text-transform: uppercase;
    white-space: nowrap;
}

.cfg3d-root .cfg-night-toggle.active {
    background: var(--cfg-primary);
    border-color: var(--cfg-primary);
    color: #000;
    box-shadow: 0 4px 12px rgba(234, 179, 8, 0.24);
}

.cfg3d-root #ui-content-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
    padding-bottom: 40px;
}

/* ---------- Tabs ---------- */
.cfg3d-root .tabs-header {
    display: flex;
    padding: 6px;
    margin: 0 20px 16px 20px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 16px;
    gap: 6px;
}

.cfg3d-root .tab-btn {
    flex: 1;
    padding: 10px 4px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 700;
    color: var(--cfg-text-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 11px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.cfg3d-root .tab-btn:hover {
    color: var(--cfg-primary);
    background: rgba(255, 255, 255, 0.4);
}

.cfg3d-root .tab-btn.active {
    color: var(--cfg-primary);
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    font-weight: 800;
}

/* Active Section Breadcrumb */
.cfg3d-root .active-section-bar {
    display: none; /* Hide the old sticky bar because our new floating card design makes it redundant */
}

.cfg3d-root .active-section-bar svg {
    flex-shrink: 0;
    color: var(--cfg-primary);
}

.cfg3d-root .active-section-bar span {
    font-size: 11px;
    font-weight: 800;
    color: var(--cfg-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cfg3d-root .active-section-bar .bar-prefix {
    font-size: 10px;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.cfg3d-root .tab-content {
    display: none;
    padding: 0;
    overflow-y: auto;
    flex: 1;
}

.cfg3d-root .tab-content::-webkit-scrollbar {
    width: 6px;
}

.cfg3d-root .tab-content::-webkit-scrollbar-thumb {
    background-color: var(--cfg-primary);
    opacity: 0.3;
    border-radius: 3px;
}

.cfg3d-root .tab-content.active {
    display: block;
}

/* ---------- Accordion ---------- */
.cfg3d-root .accordion-item {
    background: #fff;
    margin: 0 20px 16px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cfg3d-root .accordion-item.active {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
    border-color: rgba(234, 179, 8, 0.2);
    transform: translateY(-2px);
}

.cfg3d-root .accordion-header {
    padding: 18px 20px;
    background: transparent;
    cursor: pointer;
    font-weight: 800;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #1e293b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    transition: all 0.3s;
}

.cfg3d-root .accordion-header:hover {
    background: rgba(0, 0, 0, 0.01);
}

.cfg3d-root .accordion-header::after {
    content: '+';
    font-size: 18px;
    font-weight: 400;
    color: var(--cfg-text-light);
    transition: transform 0.3s;
}

.cfg3d-root .accordion-item.active .accordion-header::after {
    content: '−';
    color: var(--cfg-primary);
    font-weight: 800;
    transform: rotate(180deg);
}

.cfg3d-root .accordion-item.active .accordion-header {
    color: var(--cfg-primary);
    background: rgba(234, 179, 8, 0.03);
}

.cfg3d-root .accordion-body {
    display: none;
    padding: 0 20px 20px 20px;
    background: transparent;
    border-top: none;
    animation: cfg3dSlideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cfg3dSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cfg3d-root .accordion-item.active .accordion-body {
    display: block;
}

/* ---------- Form controls (scoped) ---------- */
.cfg3d-root label {
    display: block;
    font-size: 11px;
    margin-bottom: 8px;
    color: var(--cfg-text-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cfg3d-root input[type=range],
.cfg3d-root select,
.cfg3d-root input[type=color] {
    width: 100%;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.08);
    background: #f8fafc;
    transition: all 0.2s;
}

.cfg3d-root select:focus,
.cfg3d-root input[type=color]:focus {
    border-color: var(--cfg-primary);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.15);
    outline: none;
}

/* ---------- Feature Buttons ---------- */
.cfg3d-root .feature-btn {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 8px;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 10px;
    text-align: left;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--cfg-text);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.cfg3d-root .feature-btn i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--cfg-text-light);
    transition: color 0.2s;
}

.cfg3d-root .feature-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-color: #cbd5e1;
}

.cfg3d-root .feature-btn.active {
    border-color: var(--cfg-primary);
    background: #eff6ff;
    color: var(--cfg-primary);
    font-weight: 600;
    box-shadow: 0 0 0 1px var(--cfg-primary);
}

.cfg3d-root .feature-btn.active i {
    color: var(--cfg-primary);
}

.cfg3d-root .feature-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #f1f5f9;
}

.cfg3d-root .value-display {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--cfg-text-light);
    margin-top: -5px;
    margin-bottom: 12px;
    font-weight: 500;
}

.cfg3d-root .mm-val {
    font-weight: 700;
    color: var(--cfg-primary);
}

/* ---------- Grid Layouts ---------- */
.cfg3d-root .options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

.cfg3d-root .option-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.cfg3d-root .option-card i {
    font-size: 24px;
    color: var(--cfg-text-light);
    margin-bottom: 4px;
}

.cfg3d-root .option-card:hover {
    border-color: var(--cfg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.cfg3d-root .option-card.active {
    border-color: var(--cfg-primary);
    background: #eff6ff;
    color: var(--cfg-primary);
}

.cfg3d-root .option-card.active i {
    color: var(--cfg-primary);
}

.cfg3d-root .wall-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cfg3d-root .wall-option {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    background: #fff;
    transition: all 0.2s;
}

.cfg3d-root .wall-option:hover {
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

.cfg3d-root .wall-option.active {
    border-color: var(--cfg-primary);
    background: #eff6ff;
    color: var(--cfg-primary);
    box-shadow: 0 0 0 1px var(--cfg-primary);
}

.cfg3d-root .wall-icon {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--cfg-text-light);
}

.cfg3d-root .wall-option.active .wall-icon {
    color: var(--cfg-primary);
}

/* ---------- Mechanism Tabs ---------- */
.cfg3d-root .mech-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.05);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.cfg3d-root .mech-tab {
    flex: 1;
    padding: 8px;
    border: none;
    background: transparent;
    font-size: 12px;
    font-weight: 600;
    color: var(--cfg-text-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.cfg3d-root .mech-tab.active {
    background: white;
    color: var(--cfg-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.cfg3d-root .model-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cfg3d-root .color-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.1);
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

.cfg3d-root .btn-group {
    display: flex;
    gap: 5px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 8px;
}

.cfg3d-root .btn-group button {
    flex: 1;
    padding: 8px;
    font-size: 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    color: var(--cfg-text-light);
    cursor: pointer;
    transition: all 0.2s;
}

.cfg3d-root .btn-group button.active {
    background: white;
    color: var(--cfg-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.cfg3d-root .btn-group button:hover:not(.active) {
    background: rgba(255, 255, 255, 0.5);
}

.cfg3d-root .individual-sides {
    padding: 15px;
}

.cfg3d-root .side-row {
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.6);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* ---------- Mobile ---------- */
/* ---------- Mobile & Landscape UI Panel ---------- */
@media screen and (max-width: 950px) {
    /* PANEL: Mobil Glassmorphism ve Yüzen Kart */
    .cfg3d-root #ui-panel {
        width: 300px; /* mobil configurator center */
        height: calc(100dvh - 30px);
        top: 15px;
        bottom: 15px;
        left: auto;
        right: 15px;
        border-left: none;
        border-top: none;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), inset 0 0 0 1px rgba(255,255,255,0.6);
        transform: translateX(0); /* Varsayılan olarak AÇIK */
        display: flex;
        flex-direction: column;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .cfg3d-root #ui-panel.minimized {
        transform: translateX(calc(100% + 20px)); /* Kapalıyken sağa kaydır */
    }
    .cfg3d-root #ui-panel:not(.minimized) {
        transform: translateX(0);
    }

    /* TOGGLE BUTTON: Panelin sol ortasında */
    .cfg3d-root #btn-side-toggle {
        left: -32px;
        top: 50%;
        transform: translateY(-50%);
        width: 32px;
        height: 60px;
        border-radius: 12px 0 0 12px;
        background: var(--cfg-primary);
        color: #fff;
        opacity: 1 !important;
        animation: cfg3dTogglePulse 1.6s ease-in-out infinite;
        box-shadow: -4px 0 14px rgba(234, 179, 8, 0.4);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /* Panel açıkken ikon dönsün */
    .cfg3d-root #ui-panel:not(.minimized) #btn-side-toggle {
        animation: none;
        background: var(--cfg-text);
    }
    .cfg3d-root #ui-panel:not(.minimized) #btn-side-toggle svg {
        transform: rotate(180deg);
    }

    @keyframes cfg3dTogglePulse {
        0%, 100% {
            box-shadow: -4px 0 14px rgba(234, 179, 8, 0.4);
        }
        50% {
            box-shadow: -8px 0 24px rgba(234, 179, 8, 0.85);
        }
    }

    /* HEADER ve TABS sıkışıklığı giderme */
    .cfg3d-root .panel-header {
        padding: 8px 12px 6px;
        gap: 5px;
    }
    .cfg3d-root .panel-title {
        font-size: 10px;
        line-height: 1.15;
    }
    .cfg3d-root .tabs-header {
        margin: 0 10px 0 10px; /* Alttaki 10px silindi */
        padding: 4px;
        flex-wrap: nowrap; /* Tek satıra indir */
        overflow-x: auto; /* Taşanları yana kaydır (scroll) */
        scrollbar-width: none; /* Firefox için gizle */
    }
    .cfg3d-root .tabs-header::-webkit-scrollbar {
        display: none; /* Chrome/Safari için gizle */
    }
    .cfg3d-root .tab-btn {
        padding: 4px 8px;
        font-size: 9px;
        flex: 0 0 auto; /* Daralmasını engelle */
    }

    /* MOBİLDE FORM ELEMANLARINI KÜÇÜLTME */
    .cfg3d-root label {
        font-size: 9px;
        margin-bottom: 4px;
    }
    .cfg3d-root input[type=range],
    .cfg3d-root select,
    .cfg3d-root input[type=color] {
        padding: 6px;
        margin-bottom: 10px;
        font-size: 11px;
        border-radius: 8px;
    }

    /* Mobilde 2'li yan yana dizilim için grid ayarı (Pergola Type ve diğerleri) */
    .cfg3d-root .options-grid,
    .cfg3d-root .feature-group {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 6px !important;
        margin-top: 12px !important; /* Kutucukların üstüne boşluk */
    }

    .cfg3d-root .option-card,
    .cfg3d-root .feature-btn {
        padding: 8px 4px !important;
        min-height: 70px !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        margin-bottom: 0 !important;
    }

    .cfg3d-root .option-card span,
    .cfg3d-root .feature-btn span {
        font-size: 9px !important;
        line-height: 1.1 !important;
        margin-top: 4px !important;
        display: block !important;
        text-align: center !important;
    }

    .cfg3d-root .option-card i,
    .cfg3d-root .feature-btn i,
    .cfg3d-root .feature-btn svg {
        font-size: 18px !important;
        width: 18px !important;
        height: 18px !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
    }

    /* MOBİLDE AKORDİYONU YATAY ÜST TABLARA ÇEVİRME SİHRİ */
    .cfg3d-root #ui-content-wrapper {
        overflow: hidden !important;
        padding-bottom: 0 !important;
    }
    .cfg3d-root .tab-content {
        padding: 0 10px 10px 10px; /* Üst padding 0 yapıldı */
        overflow: hidden;
        display: none;
    }
    .cfg3d-root .tab-content.active {
        display: block;
        height: 100%;
    }
    /* Tüm sekme içerikleri için kaydırılabilir alan */
    .cfg3d-root .tab-content > div {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-content: flex-start;
        height: 100%;
        overflow-y: auto;
        padding: 0 10px 30px 10px; /* Üst padding 0 yapıldı */
        counter-reset: mobile-step;
        scrollbar-width: thin;
        position: relative;
    }

    /* Numaraların arkasına yapışkan beyaz fon - SADECE SYSTEM TABINDA */
    .cfg3d-root #tab-system > div::before {
        content: '';
        position: sticky;
        top: 0;
        left: -10px;
        right: -10px;
        width: calc(100% + 20px);
        height: 62px; /* 42px -> 62px (Başlık için daha geniş alan) */
        background: #fff;
        z-index: 45;
        order: 0;
        margin-bottom: -62px;
        pointer-events: none;
    }
    
    .cfg3d-root .accordion-item {
        display: contents; /* İçerikleri flex container'a çıkar */
    }
    
    /* Üst taraftaki Yuvarlak Numaralı Butonlar (Eski Header'lar) */
    .cfg3d-root .accordion-header {
        order: 1; /* Her zaman en üstte dizil */
        position: sticky;
        top: 0;
        z-index: 50;
        width: 30px;
        height: 30px;
        margin: 0 6px 10px 0;
        padding: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(0,0,0,0.08);
        border-radius: 10px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 0; /* İçindeki uzun metni gizle */
        box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    }
    .cfg3d-root .accordion-header::before {
        counter-increment: mobile-step;
        content: counter(mobile-step);
        font-size: 11px;
        font-weight: 800;
        color: var(--cfg-text-light);
        line-height: 1; /* Ortalamaya yardımcı olur */
        display: block;
        text-align: center;
        width: 100%;
    }
    .cfg3d-root .accordion-header::after {
        display: none !important; /* + / - ikonunu gizle */
    }

    /* Aktif Tab */
    .cfg3d-root .accordion-item.active .accordion-header {
        background: var(--cfg-primary);
        border-color: var(--cfg-primary);
        box-shadow: 0 4px 10px rgba(234, 179, 8, 0.3);
        transform: translateY(-2px);
    }
    .cfg3d-root .accordion-item.active .accordion-header::before {
        color: #fff;
    }

    /* Sticky Section Title */
    .cfg3d-root .mobile-section-title {
        display: none; /* Mobilde JS ile açılır */
        position: sticky;
        top: 35px; /* Numaraların hemen altı */
        left: 0;
        right: 0;
        width: 100%;
        text-align: center;
        font-size: 10px;
        font-weight: 900;
        color: var(--cfg-primary);
        text-transform: uppercase;
        letter-spacing: 1px;
        padding: 4px 0 8px 0;
        z-index: 48;
        background: transparent;
        order: 2; /* Numaraların (order:1) altında */
    }

    @media screen and (min-width: 951px) {
        .cfg3d-root .mobile-section-title { display: none !important; }
    }

    /* Alt taraftaki İçerik Alanı (Eski Body) */
    .cfg3d-root .accordion-body {
        order: 3; /* Butonların ve Başlığın altında yer al */
        width: 100%; /* Tam genişlik kapla */
        padding: 10px 5px 20px 5px;
        margin: 0;
        border: none;
        background: transparent;
        animation: cfg3dFadeIn 0.3s ease-out;
        box-shadow: none;
    }

    /* CANVAS CONTROLS: Mobilde yatay esnek yerleşim */
    .cfg3d-root .canvas-controls {
        position: absolute;
        top: auto !important; 
        left: 12px !important;
        right: auto !important;
        bottom: 12px !important;
        width: max-content !important;
        max-width: calc(100% - 24px) !important;
        display: flex !important;
        flex-wrap: wrap !important;
        flex-direction: row !important;
        gap: 6px;
        padding: 8px !important;
        background: rgba(255, 255, 255, 0.92) !important;
        backdrop-filter: blur(10px) !important;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1) !important;
        border-radius: 12px !important;
        z-index: 1100;
    }

    /* Sıralama (Order) Ayarları - Kullanıcı Talebi */
    #btn-pan          { order: 1; display: flex !important; }
    #btn-scene-bg     { order: 2; }
    #btn-zoom-in      { order: 3; }
    #btn-zoom-out     { order: 4; }
    #btn-bg-zoom-in   { order: 5; }
    #btn-bg-zoom-out  { order: 6; }
    #btn-bg-clear     { order: 7; }
    #btn-toggle-grid  { order: 8; }
    
    #btn-bg-move { display: none !important; }

    .cfg3d-root #btn-zoom-in,
    .cfg3d-root #btn-zoom-out {
        margin-top: 0 !important;
    }

    #btn-bg-zoom-in {
        margin-top: 0;
    }

    /* Yatay menüdeki dikey ayracı (separator) gizle */
    .cfg3d-root .canvas-controls > div[style*="width:1px"] {
        display: none !important;
    }

    /* Butonları %25 daha küçültelim (~28px) */
    .cfg3d-root .canvas-btn {
        width: 28px !important;
        height: 28px !important;
        font-size: 10px !important;
    }
    .cfg3d-root .canvas-btn svg {
        width: 14px !important;
        height: 14px !important;
    }

    /* El (Pan) butonu DURACAK */
    #btn-pan {
        display: flex !important;
    }

    /* Freze (Arka plan taşıma) butonu gidecek */
    #btn-bg-move {
        display: none !important;
    }

    /* Yüzen başlık (Logo) sol üstte kalsın */
    .cfg3d-root .floating-header { top: 16px; left: 16px; z-index: 1200; }

    /* SIDES VE OPTIONS ALANINI YAYMA */
    .cfg3d-root .wall-grid, 
    .cfg3d-root .options-grid {
        grid-template-columns: 1fr 1fr !important;
        width: 100% !important;
    }
    .cfg3d-root .wall-option,
    .cfg3d-root .option-card {
        padding: 15px 5px !important;
        width: 100% !important;
    }
    .cfg3d-root .option-card i,
    .cfg3d-root .wall-icon,
    .cfg3d-root .wall-option svg {
        font-size: 28px !important;
        width: 28px !important;
        height: 28px !important;
    }

    /* MOBİL SCROLL GÖSTERGESİ (ANİMASYONLU) */
    .cfg3d-root #ui-content-wrapper::after {
        content: '↕';
        position: absolute;
        bottom: 12px;
        left: 50%;
        transform: translateX(-50%);
        width: 32px;
        height: 32px;
        background: var(--cfg-primary);
        color: #fff;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 20px;
        font-weight: 900;
        z-index: 2000;
        pointer-events: none;
        animation: cfg3dScrollBounce 1.8s infinite ease-in-out;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

    @keyframes cfg3dScrollBounce {
        0%, 100% { transform: translate(-50%, -4px); opacity: 0.8; }
        50% { transform: translate(-50%, 6px); opacity: 1; }
    }

    /* MOBİLDE LOGO VE GERİ BUTONUNU GİZLE */
    .cfg3d-root .floating-header {
        display: none !important;
    }
}

/* KONTROL PANELİNDEN İSTENMEYEN BUTONLARI KALDIR */
#btn-download, #btn-toggle-bg {
    display: none !important;
}

/* ---------- Landscape Force Overlay ---------- */
.cfg3d-root .cfg3d-landscape-overlay {
    display: none; /* Varsayılan olarak gizli */
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
}

.cfg3d-root .cfg3d-landscape-overlay .landscape-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    color: var(--cfg-primary);
    animation: cfg3dRotatePhone 2.5s ease-in-out infinite;
}

.cfg3d-root .cfg3d-landscape-overlay .landscape-icon svg {
    width: 100%;
    height: 100%;
}

.cfg3d-root .cfg3d-landscape-overlay h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    color: #fff;
}

.cfg3d-root .cfg3d-landscape-overlay p {
    font-size: 15px;
    color: #94a3b8;
    line-height: 1.6;
    max-width: 320px;
}

@keyframes cfg3dRotatePhone {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(0deg); }
    40% { transform: rotate(-90deg); }
    60% { transform: rotate(-90deg); }
    90% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

/* Sadece mobil cihazlarda (genişlik <= 768px) ve DİKEY (portrait) modda ise göster */
@media screen and (max-width: 768px) and (orientation: portrait) {
    .cfg3d-root .cfg3d-landscape-overlay {
        display: flex;
    }
}

@media screen and (max-width: 950px) {
    .cfg3d-root #ui-panel {
        top: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        height: 100dvh !important;
        border-radius: 24px 0 0 24px !important;
    }

    .cfg3d-root #ui-panel.minimized {
        transform: translateX(calc(100% + 5px)) !important;
    }

    .cfg3d-root .control-panel {
        padding-bottom: 18px !important;
    }

    .cfg3d-root .tabs-header {
        display: flex !important;
        gap: 6px !important;
        padding: 6px 8px !important;
        margin-bottom: 10px !important;
        overflow: visible !important;
    }

    .cfg3d-root .tab-btn {
        flex: 1 1 0 !important;
        min-width: 0 !important;
        height: auto !important;
        padding: 7px 3px !important;
        border-radius: 10px !important;
        font-size: 8px !important;
        line-height: 1.1 !important;
        white-space: normal !important;
        text-align: center !important;
    }

    .cfg3d-root .tab-btn.active {
        background: var(--cfg-primary, #eaaf08) !important;
        color: #000 !important;
    }

    .cfg3d-root .accordion-header {
        width: 34px !important;
        height: 34px !important;
        min-width: 34px !important;
        margin-right: 9px !important;
        border-radius: 10px !important;
    }

    .cfg3d-root .accordion-header.active {
        background: var(--cfg-primary, #eaaf08) !important;
        color: #000 !important;
        box-shadow: 0 6px 16px rgba(234, 179, 8, 0.28) !important;
    }

    .cfg3d-root .mobile-section-title {
        top: 44px !important;
        padding: 8px 0 14px !important;
        margin-bottom: 12px !important;
        font-size: 11px !important;
        letter-spacing: 0.8px !important;
    }

    .cfg3d-root .accordion-body {
        padding-top: 20px !important;
    }

    .cfg3d-root .option-card,
    .cfg3d-root .feature-btn,
    .cfg3d-root .roof-btn,
    .cfg3d-root .wall-option,
    .cfg3d-root .side-option-card,
    .cfg3d-root .model-card-small,
    .cfg3d-root .mech-tab-modern,
    .cfg3d-root .side-checkbox-item,
    .cfg3d-root .toggle-row {
        border-radius: 10px !important;
    }
}

@media screen and (max-width: 950px) {
    .cfg3d-root #ui-content-wrapper::after {
        display: none !important;
    }

    .cfg3d-root .mobile-section-title {
        display: none !important;
    }

    .cfg3d-root #tab-system {
        padding: 0 6px 8px 6px !important;
    }

    .cfg3d-root #system-accordion-container {
        display: grid !important;
        grid-template-columns: 66px minmax(0, 1fr) !important;
        grid-template-rows: repeat(6, minmax(34px, 1fr)) !important;
        column-gap: 10px !important;
        row-gap: 3px !important;
        height: 100% !important;
        padding: 0 0 10px 0 !important;
        overflow-y: auto !important;
        align-content: stretch !important;
        counter-reset: none !important;
    }

    .cfg3d-root #system-accordion-container::before {
        display: none !important;
    }

    .cfg3d-root #system-accordion-container .accordion-item {
        display: contents !important;
    }

    .cfg3d-root #system-accordion-container .accordion-header {
        position: static !important;
        grid-column: 1 !important;
        width: 66px !important;
        height: auto !important;
        min-height: 34px !important;
        min-width: 66px !important;
        margin: 0 !important;
        padding: 2px 5px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        border-radius: 12px !important;
        border: 1px solid #e2e8f0 !important;
        background: #fff !important;
        color: #475569 !important;
        box-shadow: none !important;
        font-size: 7px !important;
        font-weight: 800 !important;
        line-height: 1.05 !important;
        letter-spacing: 0 !important;
        text-align: center !important;
        writing-mode: horizontal-tb !important;
        transform: none !important;
        white-space: normal !important;
        word-break: normal !important;
        overflow-wrap: anywhere !important;
        overflow: hidden !important;
        text-indent: 0 !important;
    }

    .cfg3d-root #system-accordion-container .accordion-header::before {
        display: block !important;
        position: absolute !important;
        left: 50% !important;
        top: 50% !important;
        right: auto !important;
        bottom: auto !important;
        transform: translate(-50%, -50%) !important;
        font-size: 28px !important;
        line-height: 1 !important;
        font-weight: 900 !important;
        color: rgba(15, 23, 42, 0.08) !important;
        pointer-events: none !important;
        z-index: 0 !important;
    }

    .cfg3d-root #system-accordion-container .accordion-header::after {
        display: none !important;
        content: none !important;
    }

    .cfg3d-root #system-accordion-container .accordion-item:nth-child(1) .accordion-header::before { content: "1" !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(2) .accordion-header::before { content: "2" !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(3) .accordion-header::before { content: "3" !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(4) .accordion-header::before { content: "4" !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(5) .accordion-header::before { content: "5" !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(6) .accordion-header::before { content: "6" !important; }

    .cfg3d-root #system-accordion-container .accordion-item:nth-child(1) .accordion-header { grid-row: 1 !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(2) .accordion-header { grid-row: 2 !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(3) .accordion-header { grid-row: 3 !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(4) .accordion-header { grid-row: 4 !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(5) .accordion-header { grid-row: 5 !important; }
    .cfg3d-root #system-accordion-container .accordion-item:nth-child(6) .accordion-header { grid-row: 6 !important; }

    .cfg3d-root #system-accordion-container .accordion-item.active .accordion-header {
        background: var(--cfg-primary, #eaaf08) !important;
        border-color: var(--cfg-primary, #eaaf08) !important;
        color: #000 !important;
        transform: none !important;
        box-shadow: 0 4px 12px rgba(234, 179, 8, 0.24) !important;
    }

    .cfg3d-root #system-accordion-container .accordion-item.active .accordion-header::before {
        color: rgba(0, 0, 0, 0.14) !important;
    }

    .cfg3d-root #system-accordion-container .accordion-body {
        display: none !important;
        grid-column: 2 !important;
        grid-row: 1 / span 6 !important;
        width: 100% !important;
        height: 100% !important;
        min-width: 0 !important;
        min-height: 0 !important;
        overflow-y: auto !important;
        padding: 0 4px 8px 0 !important;
        margin: 0 !important;
        background: transparent !important;
        animation: none !important;
    }

    .cfg3d-root #system-accordion-container .accordion-item.active .accordion-body {
        display: block !important;
    }

    .cfg3d-root #ui-pergola-type .options-grid {
        grid-template-columns: 1fr !important;
    }

    .cfg3d-root #system-accordion-container #ui-pergola-type .feature-group {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 8px !important;
        width: 100% !important;
    }

    .cfg3d-root #system-accordion-container #ui-pergola-type .feature-btn {
        width: 100% !important;
    }

    .cfg3d-root #tab-sides {
        padding-left: 6px !important;
        padding-right: 6px !important;
    }

    .cfg3d-root #tab-sides > div,
    .cfg3d-root #ui-sides-content,
    .cfg3d-root #ui-sides-content .sides-container,
    .cfg3d-root #ui-sides-content .individual-sides {
        width: 100% !important;
        max-width: none !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .cfg3d-root #ui-sides-content .side-row {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 !important;
    }

    .cfg3d-root #tab-optional {
        padding-left: 6px !important;
        padding-right: 6px !important;
    }

    .cfg3d-root #tab-optional > div,
    .cfg3d-root #tab-optional .premium-menu-container,
    .cfg3d-root #tab-optional .menu-section {
        width: 100% !important;
        max-width: none !important;
    }

    .cfg3d-root #tab-optional .premium-menu-container {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .cfg3d-root #tab-optional .menu-section {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .cfg3d-root .tab-content.active {
        position: relative !important;
    }

    .cfg3d-root .tab-content.active::after {
        content: '';
        position: absolute;
        left: 8px;
        right: 8px;
        bottom: 0;
        height: 34px;
        z-index: 60;
        pointer-events: none;
        background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.96));
        border-radius: 0 0 18px 18px;
    }

    .cfg3d-root .tab-content.active::before {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 8px;
        width: 8px;
        height: 8px;
        z-index: 61;
        pointer-events: none;
        border-right: 2px solid rgba(15, 23, 42, 0.42);
        border-bottom: 2px solid rgba(15, 23, 42, 0.42);
        transform: translateX(-50%) rotate(45deg);
        animation: cfg3dSubtleScrollHint 1.4s ease-in-out infinite;
    }

    @keyframes cfg3dSubtleScrollHint {
        0%, 100% {
            opacity: 0.25;
            transform: translate(-50%, -2px) rotate(45deg);
        }
        50% {
            opacity: 0.8;
            transform: translate(-50%, 3px) rotate(45deg);
        }
    }
}