/* ============================================
   TASARIM SAYFASI STİLLERİ
   ============================================ */

.tasarim-hero {
    background: var(--bg-dark);
    padding: 100px 5% 30px;
    text-align: center;
    border-bottom: 3px solid var(--gold);
}

.tasarim-hero h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.tasarim-hero p {
    color: #ccc;
    font-size: 15px;
}

/* ============ AŞAMA 1: ARAÇ SEÇİMİ ============ */
.stage-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.vehicle-stage-box {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gold);
    text-align: center;
}

.stage-title {
    font-size: 28px;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.stage-desc {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 30px;
}

.vehicle-select-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    align-items: start;
}

.brand-scroll-area {
    max-height: 450px;
    overflow-y: auto;
    padding-right: 5px;
}

.brand-scroll-area::-webkit-scrollbar {
    width: 6px;
}

.brand-scroll-area::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 10px;
}

.brand-scroll-area::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 10px;
}

.brand-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.brand-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.brand-card:hover {
    border-color: var(--gold);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.2);
    transform: translateY(-5px);
}

.brand-card.selected {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.3);
}

.brand-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.brand-card span {
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-dark);
}

.vehicle-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.vehicle-form .form-group label {
    display: block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.vehicle-form .form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bg-body);
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.vehicle-form .form-group select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
}

.btn-devam {
    background: var(--gold);
    color: var(--text-dark);
    padding: 16px 30px;
    border-radius: 12px;
    font-weight: 900;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    border: none;
}

.btn-devam:hover {
    background: var(--gold-hover);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

.btn-devam:disabled {
    background: #ddd;
    color: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============ ADIM ÇUBUĞU ============ */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 15px;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
}

.progress-steps::-webkit-scrollbar {
    height: 3px;
}

.progress-steps::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 10px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.progress-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #ddd;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 14px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.progress-step.active .progress-number {
    background: var(--gold);
    color: #fff;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.5);
}

.progress-step.completed .progress-number {
    background: var(--gold);
    color: #fff;
}

.progress-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    color: #999;
    white-space: nowrap;
}

.progress-step.active .progress-label {
    color: var(--gold-dark);
}

.progress-line {
    width: 30px;
    height: 3px;
    background: #ddd;
    margin: 0 4px;
    margin-bottom: 22px;
    border-radius: 2px;
    flex-shrink: 0;
}

.progress-line.completed {
    background: var(--gold);
}

/* ============ TASARIM KONTEYNERİ ============ */
.tasarim-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 20px 120px;
}

.preview-section {
    position: sticky;
    top: 90px;
}

.preview-box {
    background: radial-gradient(circle, #ffffff 0%, #f0f0f0 100%);
    border-radius: 20px;
    position: relative;
    min-height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

#no-selection-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-light-gray);
    font-size: 24px;
    text-align: center;
    font-weight: 800;
    width: 80%;
    text-transform: uppercase;
}

.layers {
    position: relative;
    width: 450px;
    height: 450px;
}

.layers img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#z-shadow { z-index: 1; }
#z-base { z-index: 2; }
#z-border { z-index: 3; }
#z-heel { z-index: 4; transform-origin: center center; transition: transform 0.15s ease; }
#z-logo { z-index: 5; }

.ground-shadow {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 75%;
    height: 35px;
    background: rgba(0, 0, 0, 0.4);
    filter: blur(25px);
    border-radius: 50%;
    z-index: 1;
}

.right-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.options-box {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.step-section {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.step-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.step-header {
    font-size: 14px;
    font-weight: 900;
    margin-bottom: 18px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.step-header span {
    width: 30px;
    height: 30px;
    background: var(--gold);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.step-locked {
    opacity: 0.3;
    pointer-events: none;
    filter: grayscale(1);
}

/* ============ BİLGİ NOTLARI ============ */
.info-note {
    font-size: 12px;
    font-weight: 700;
    color: var(--gold-dark);
    background: var(--gold-light);
    padding: 12px 15px;
    border-radius: 10px;
    margin-top: 15px;
    text-align: center;
    border: 1px dashed var(--gold);
}

/* ============ DESEN SEÇİMİ ============ */
.pattern-options {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.pattern-btn {
    flex: 1;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    padding: 15px 10px;
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.pattern-btn input { display: none; }

.pattern-btn span {
    font-size: 12px;
    font-weight: 800;
    color: var(--text-gray);
    text-transform: uppercase;
}

.pattern-price {
    font-size: 14px !important;
    font-weight: 900 !important;
    color: var(--gold-dark) !important;
}

.pattern-btn:hover {
    border-color: var(--gold-light);
    background: #FFF8E7;
}

.pattern-btn:has(input:checked) {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.pattern-btn:has(input:checked) span {
    color: var(--gold-dark);
}

/* ============ RENK SEÇİMİ ============ */
.swatch-container {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

#border-colors {
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
}

.swatch {
    cursor: pointer;
    text-align: center;
}

.swatch input { display: none; }

.swatch-thumb {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background-size: cover;
    transition: var(--transition-fast);
}

.swatch:hover .swatch-thumb {
    transform: scale(1.1);
    border-color: var(--gold-light);
}

.swatch input:checked + .swatch-thumb {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
    transform: scale(1.05);
}

.swatch span {
    font-size: 9px;
    font-weight: 800;
    color: var(--text-gray);
    margin-top: 5px;
    display: block;
    text-transform: uppercase;
}

/* ============ TOPUKLUK PAKETLERİ ============ */
.heel-package-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.heel-package-option {
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.heel-package-option:hover {
    border-color: var(--gold);
}

.heel-package-option.selected {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.package-name {
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-dark);
}

.package-price {
    font-size: 12px;
    font-weight: 900;
    color: var(--gold-dark);
}

.heel-colors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.heel-color-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.heel-color-card:hover {
    border-color: var(--gold);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
}

.heel-color-card.selected {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.heel-color-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.heel-color-card span {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-dark);
}

/* ============ EKSTRA TOPUKLUK ============ */
.ekstra-heel-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.ekstra-heel-card {
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.ekstra-heel-card:hover {
    border-color: var(--gold);
}

.ekstra-heel-card.selected {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.ekstra-heel-card span {
    font-size: 12px;
    font-weight: 800;
    color: var(--text-dark);
}

.ekstra-price {
    color: var(--gold-dark) !important;
    font-weight: 900 !important;
}

/* ============ LOGO SEÇİMİ ============ */
.logo-selection-area {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.logo-selection-header {
    display: flex;
    justify-content: space-between;
    background: var(--bg-dark);
    padding: 12px 15px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: #fff;
}

.logo-selection-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 8px;
}

.logo-selection-row:last-child {
    border-bottom: none;
}

.logo-selection-row > span {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.logo-options label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-gray);
    cursor: pointer;
}

.logo-options input {
    accent-color: var(--gold);
}

/* ============ BAGAJ ============ */
.bagaj-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bagaj-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-body);
}

.bagaj-option:hover {
    border-color: var(--gold);
}

.bagaj-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--gold);
    flex-shrink: 0;
}

.bagaj-option span {
    font-size: 13px;
    font-weight: 800;
    color: var(--text-dark);
}

/* ============ FİYAT ÖZETİ ============ */
.price-summary {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gold);
}

.price-summary h3 {
    font-size: 16px;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    gap: 10px;
}

.summary-item span:first-child {
    color: var(--text-gray);
    flex-shrink: 0;
}

.summary-item span:last-child {
    font-weight: 800;
    color: var(--text-dark);
    text-align: right;
    word-break: break-word;
}

.summary-divider {
    height: 2px;
    background: var(--gold);
    margin: 15px 0;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 900;
}

.summary-total span:last-child {
    font-size: 22px;
    color: var(--gold-dark);
}

/* ============ ALT BAR ============ */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    padding: 15px 30px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 25px;
    align-items: center;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.1);
    z-index: 900;
    border-top: 3px solid var(--gold);
}

.car-info-display {
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition-normal);
}

.car-info-display.visible { opacity: 1; }

.car-info-display img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.car-name {
    font-size: 15px;
    font-weight: 900;
    color: var(--text-dark);
    text-transform: uppercase;
}

.car-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-gray);
}

.price-area {
    text-align: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.price-area.visible { opacity: 1; }

.price-label {
    font-size: 10px;
    font-weight: 900;
    color: var(--gold-dark);
    text-transform: uppercase;
}

.total-price {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-dark);
}

.btn-act {
    display: flex;
    gap: 10px;
}

.btn-order {
    flex: 1;
    padding: 14px;
    border-radius: 10px;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 11px;
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-order-buy {
    background: var(--gold);
    color: var(--text-dark);
}

.btn-order-buy:hover {
    background: var(--gold-hover);
    color: #fff;
}

.btn-order-wa {
    background: var(--wa-green);
    color: #fff;
}

.btn-order-wa:hover {
    opacity: 0.9;
}

/* ============ MOBİL SABİT BUTONLAR ============ */
.mobile-preview-btns {
    display: none;
    position: fixed;
    right: 15px;
    bottom: 50%;
    transform: translateY(50%);
    z-index: 850;
    flex-direction: column;
    gap: 12px;
}

.mobile-preview-btn {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    border: none;
}

.mobile-preview-up {
    background: var(--gold);
    color: var(--text-dark);
}

.mobile-preview-down {
    background: var(--bg-dark);
    color: #fff;
    border: 2px solid var(--gold);
}

.tooltip-text {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.9);
    color: #fff;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-preview-btn:hover .tooltip-text {
    opacity: 1;
}

/* ============ MASAÜSTÜ SABİT BUTONLAR ============ */
.desktop-preview-btns {
    position: fixed;
    right: 30px;
    bottom: 120px;
    z-index: 850;
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.desktop-preview-btns.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.desktop-preview-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-weight: 800;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.desktop-preview-btn i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.desktop-preview-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.desktop-preview-btn:hover i {
    transform: scale(1.2);
}

.desktop-preview-up {
    border-color: var(--gold);
    background: var(--gold);
    color: var(--text-dark);
}

.desktop-preview-up:hover {
    background: var(--gold-hover);
    color: #fff;
}

.desktop-preview-down {
    border-color: var(--bg-dark);
    background: var(--bg-dark);
    color: #fff;
}

.desktop-preview-down:hover {
    background: #2a2a2a;
    color: var(--gold);
}

/* ============================================
   TASARIM SAYFASI STİLLERİ
   ============================================ */

.tasarim-hero {
    background: var(--bg-dark);
    padding: 100px 5% 30px;
    text-align: center;
    border-bottom: 3px solid var(--gold);
}

.tasarim-hero h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.tasarim-hero p {
    color: #ccc;
    font-size: 15px;
}

/* ============ ÖNİZLEME UYARI METNİ ============ */
.preview-warning {
    margin-top: 12px;
    padding: 12px 16px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    font-size: 12px;
    color: #856404;
    text-align: center;
}

.preview-warning i {
    color: #ffc107;
    margin-right: 6px;
}

.preview-warning strong {
    color: #856404;
}

.preview-warning small {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    color: #997a0b;
}

/* ============ EKSTRA TOPUKLUK ADET SEÇİCİ ============ */
.ekstra-heel-quantity {
    display: none;
    align-items: center;
    gap: 15px;
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--bg-body);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.ekstra-heel-quantity label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-gray);
}

.qty-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-control button {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

.qty-control button:hover {
    border-color: var(--gold);
    background: var(--gold-light);
}

.qty-control span {
    font-size: 18px;
    font-weight: 900;
    min-width: 30px;
    text-align: center;
    color: var(--text-dark);
}

/* ============ ARKA KISIM SEÇİMİ ============ */
.arka-kisim-section {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
}

.arka-kisim-label {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 10px;
}

.arka-kisim-label span {
    color: #ff4444;
}

.arka-kisim-options {
    display: flex;
    gap: 10px;
}

.arka-kisim-btn {
    flex: 1;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    padding: 12px 10px;
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

.arka-kisim-btn input {
    display: none;
}

.arka-kisim-btn span {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-gray);
    text-transform: uppercase;
}

.arka-kisim-btn:hover {
    border-color: var(--gold-light);
    background: #FFF8E7;
}

.arka-kisim-btn:has(input:checked) {
    border-color: var(--gold);
    background: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.arka-kisim-btn:has(input:checked) span {
    color: var(--gold-dark);
}

.arka-kisim-uyari {
    color: #ff4444;
    font-size: 11px;
    margin-top: 6px;
    display: none;
}

/* ============ MOBİL DÜZENLEMELER ============ */
@media (max-width: 768px) {
    .arka-kisim-options {
        flex-direction: row;
    }
    
    .arka-kisim-btn {
        padding: 10px 8px;
    }
    
    .arka-kisim-btn span {
        font-size: 12px;
    }
    
    .ekstra-heel-quantity {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .qty-control button {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .arka-kisim-options {
        flex-direction: column;
        gap: 6px;
    }
    
    .arka-kisim-btn {
        padding: 8px;
    }
    
    .qty-control button {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    .qty-control span {
        font-size: 14px;
        min-width: 20px;
    }
}
/* Masaüstünde mobil butonları gizle */
@media (min-width: 769px) {
    .mobile-preview-btns {
        display: none !important;
    }
}

/* Mobilde masaüstü butonlarını gizle */
@media (max-width: 768px) {
    .desktop-preview-btns {
        display: none !important;
    }
}

/* ============================================
   RESPONSIVE - DÜZELTİLMİŞ
   ============================================ */

@media (max-width: 992px) {
    .tasarim-container {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 30px 15px 120px;
    }
    
    .preview-section {
        position: relative;
        top: 0;
    }
    
    .preview-box {
        min-height: 350px;
    }
    
    .layers {
        width: 320px;
        height: 320px;
    }
}

@media (max-width: 768px) {
    .vehicle-stage-box {
        padding: 25px 15px;
    }
    
    .stage-title {
        font-size: 22px;
    }
    
    .stage-desc {
        font-size: 13px;
    }
    
    .vehicle-select-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .brand-scroll-area {
        max-height: 280px;
    }
    
    .brand-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .brand-card {
        padding: 15px 10px;
    }
    
    .brand-card img {
        width: 60px;
        height: 60px;
    }
    
    .brand-card span {
        font-size: 13px;
    }
    
    .vehicle-form .form-group select {
        padding: 12px;
        font-size: 14px;
    }
    
    /* ===== ADIM ÇUBUĞU MOBİL ===== */
    .progress-steps {
        padding: 20px 10px;
        gap: 2px;
        justify-content: flex-start;
    }
    
    .progress-number {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }
    
    .progress-label {
        font-size: 7px;
    }
    
    .progress-line {
        width: 18px;
        margin: 0 2px;
        margin-bottom: 18px;
    }
    
    /* ===== TASARIM MOBİL ===== */
    .tasarim-container {
        padding: 20px 10px 120px;
        gap: 20px;
    }
    
    .preview-box {
        min-height: 280px;
        border-radius: 14px;
    }
    
    .layers {
        width: 260px;
        height: 260px;
    }
    
    #no-selection-hint {
        font-size: 16px;
    }
    
    .options-box {
        padding: 18px 14px;
        border-radius: 14px;
    }
    
    .step-header {
        font-size: 12px;
        gap: 8px;
    }
    
    .step-header span {
        width: 26px;
        height: 26px;
        font-size: 11px;
    }
    
    .swatch-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    
    #border-colors {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }
    
    .pattern-options {
        flex-direction: column;
        gap: 8px;
    }
    
    .pattern-btn {
        padding: 12px;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .pattern-btn span {
        font-size: 11px;
    }
    
    .heel-package-selector {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .heel-colors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .heel-color-card {
        padding: 12px 8px;
    }
    
    .heel-color-card img {
        width: 50px;
        height: 50px;
    }
    
    .ekstra-heel-options {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .logo-selection-row {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 12px;
        gap: 6px;
    }
    
    .logo-selection-row > span {
        font-size: 12px;
    }
    
    .logo-options {
        gap: 10px;
    }
    
    .logo-options label {
        font-size: 10px;
    }
    
    .info-note {
        font-size: 11px;
        padding: 10px 12px;
    }
    
    /* ===== FİYAT ÖZETİ MOBİL ===== */
    .price-summary {
        padding: 18px 14px;
    }
    
    .price-summary h3 {
        font-size: 14px;
    }
    
    .summary-item {
        font-size: 11px;
        padding: 8px 0;
    }
    
    .summary-total {
        font-size: 14px;
    }
    
    .summary-total span:last-child {
        font-size: 18px;
    }
    
    /* ===== ALT BAR MOBİL ===== */
    .bottom-bar {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding: 10px 12px;
    }
    
    .bottom-bar .car-info-display {
        grid-column: 1 / -1;
        justify-content: center;
        gap: 8px;
    }
    
    .bottom-bar .car-info-display img {
        width: 35px;
        height: 35px;
    }
    
    .bottom-bar .car-name {
        font-size: 13px;
    }
    
    .bottom-bar .car-year {
        font-size: 10px;
    }
    
    .price-area {
        text-align: left;
    }
    
    .total-price {
        font-size: 18px;
    }
    
    .btn-act {
        gap: 6px;
    }
    
    .btn-order {
        padding: 10px 12px;
        font-size: 10px;
    }
    
    .btn-order span {
        display: none;
    }
    
    .mobile-preview-btns.show {
        display: flex;
    }
}

@media (max-width: 480px) {
    .tasarim-hero {
        padding: 80px 5% 20px;
    }
    
    .tasarim-hero h1 {
        font-size: 22px;
    }
    
    .tasarim-hero p {
        font-size: 13px;
    }
    
    .stage-title {
        font-size: 18px;
    }
    
    .stage-desc {
        font-size: 12px;
    }
    
    .brand-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .brand-card {
        padding: 12px 8px;
        border-radius: 10px;
    }
    
    .brand-card img {
        width: 50px;
        height: 50px;
    }
    
    .brand-card span {
        font-size: 11px;
    }
    
    .vehicle-form .form-group select {
        padding: 10px;
        font-size: 13px;
    }
    
    .btn-devam {
        padding: 14px 20px;
        font-size: 13px;
    }
    
    .progress-steps {
        padding: 15px 8px;
    }
    
    .progress-number {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }
    
    .progress-label {
        font-size: 6px;
    }
    
    .progress-line {
        width: 12px;
        margin: 0 1px;
        margin-bottom: 14px;
    }
    
    .preview-box {
        min-height: 220px;
    }
    
    .layers {
        width: 200px;
        height: 200px;
    }
    
    #no-selection-hint {
        font-size: 14px;
    }
    
    .swatch-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    
    #border-colors {
        grid-template-columns: repeat(3, 1fr);
        gap: 5px;
    }
    
    .bottom-bar {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        padding: 8px 10px;
    }
    
    .bottom-bar .car-info-display img {
        width: 28px;
        height: 28px;
    }
    
    .bottom-bar .car-name {
        font-size: 11px;
    }
    
    .bottom-bar .car-year {
        font-size: 9px;
    }
    
    .total-price {
        font-size: 16px;
    }
    
    .btn-order {
        padding: 8px 10px;
        font-size: 9px;
    }
    
    .btn-order i {
        font-size: 14px;
    }
    
    .mobile-preview-btn {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .mobile-preview-btns {
        right: 8px;
        gap: 8px;
    }
    
    .tooltip-text {
        display: none;
    }
}