:root {
    --primary-dark: #0A0A0A;
    --bg-card: #141414;
    --text-light: #E5E5E5;
    --text-muted: #A3AAB2;
    --accent-copper: #C67B4C;
    --accent-gold: #F8E3B6;
    --border-color: rgba(198, 123, 76, 0.2);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.top-bar {
    background: rgba(5, 5, 5, 0.8);
    text-align: center;
    padding: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border-color);
}
.logo-small {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.logo-name {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 3px;
}
.logo-tagline {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}
.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-copper);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.back-link:hover { color: var(--accent-gold); }
.configurator-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}
.config-sidebar {
    width: 380px;
    background: #151515;
    border-right: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    z-index: 10;
    box-shadow: 5px 0 25px rgba(0,0,0,0.8);
    overflow-y: auto;
}
.config-title {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    margin-bottom: 2rem;
}
.gradient-text {
    background: linear-gradient(135deg, var(--accent-copper), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.step {
    display: none;
    flex: 1;
    animation: fadeIn 0.4s ease;
}
.step.active { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.step h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    border-bottom: 1px solid rgba(198, 123, 76, 0.15);
    padding-bottom: 12px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.sub-heading {
    font-size: 0.75rem !important;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 2rem 0 1rem;
    font-weight: 600;
}
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.option-card {
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 0.8rem 1rem !important;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.02);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 45px;
}
.option-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.2);
}
.option-card.active {
    border-color: var(--accent-gold);
    background: rgba(198, 123, 76, 0.1);
    color: var(--accent-gold);
}
.option-card .icon { font-size: 2rem; margin-bottom: 0.5rem; }
.option-card h3 {
    transition: color 0.3s ease; font-size: 0.9rem; margin-bottom: 0.3rem; }
.option-card p { font-size: 0.7rem; color: var(--text-muted); }
.slider-group { margin-bottom: 1.5rem; }
.slider-group label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
}
.slider-group span { color: var(--accent-gold); font-weight: 600; }
input[type=range] {
    width: 100%;
    -webkit-appearance: none;
    background: transparent;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    margin-top: -8px;
    box-shadow: 0 0 10px rgba(248, 227, 182, 0.5);
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--border-color);
    border-radius: 2px;
}
.color-picker { display: flex; gap: 1rem; }
.color-swatch {
    width: 40px; height: 40px; border-radius: 50%;
    cursor: pointer; border: 2px solid transparent;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.color-swatch.active { border-color: var(--accent-gold); transform: scale(1.1); }
.toggle-group {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-radius: 0;
    padding: 15px 5px;
    margin-bottom: 0;
    box-shadow: none;
    transition: all 0.3s ease;
}
.toggle-group:last-child {
    border-bottom: none;
}
.toggle-group:hover {
    transform: none;
    background: rgba(255,255,255,0.02);
    box-shadow: none;
    border-color: rgba(255,255,255,0.08);
}
.toggle-group:has(input:checked) {
    border-color: rgba(255,255,255,0.05);
    background: transparent;
}
.toggle-group:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.05);
    border-color: rgba(198, 123, 76, 0.3);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}
.toggle-group:has(input:checked) {
    border-color: rgba(198, 123, 76, 0.5);
    background: rgba(198, 123, 76, 0.05);
}
.toggle-group:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.1);
}
.toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 15px;
    justify-content: space-between;
    flex-direction: row-reverse;
}
.toggle input { display: none; }
.toggle .slider {
    width: 46px; height: 24px; background-color: #333;
    border-radius: 24px; position: relative; transition: 0.4s;
}
.toggle .slider:before {
    position: absolute; content: ""; height: 18px; width: 18px;
    left: 3px; bottom: 3px; background-color: white;
    border-radius: 50%; transition: 0.4s;
}
.toggle input:checked + .slider { background-color: var(--accent-copper); }
.toggle input:checked + .slider:before { transform: translateX(22px); }
.toggle-info strong {
    display: block;
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 4px;
}
.toggle-info span {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}
#order-form { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
#order-form input {
    width: 100%; padding: 12px 15px; background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color); color: var(--text-light);
    border-radius: 4px; font-family: inherit; font-size: 0.9rem;
}
#order-form input:focus { outline: none; border-color: var(--accent-gold); }
.price-summary {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.2rem; background: rgba(198, 123, 76, 0.1);
    border-radius: 6px; border: 1px solid var(--accent-copper); margin: 1rem 0;
}
#total-price { font-size: 1.5rem; color: var(--accent-gold); font-family: 'Cinzel', serif; }
.cta-button {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-copper) 100%);
    color: #111; border: none; padding: 18px; width: 100%;
    font-size: 1.1rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
    border-radius: 10px; transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(198, 123, 76, 0.3);
}
.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(198, 123, 76, 0.4);
    filter: brightness(1.1);
    color: #111;
}
.form-note { font-size: 0.65rem; color: var(--text-muted); text-align: center; }
.step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}
.nav-btn {
    background: transparent; border: 1px solid var(--border-color);
    color: var(--text-light); padding: 10px 20px; cursor: pointer;
    border-radius: 8px; transition: 0.3s;
}
.nav-btn:hover:not(:disabled) { border-color: var(--accent-gold); color: var(--accent-gold); }
.nav-btn.primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-copper) 100%);
    color: #111;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(198, 123, 76, 0.2);
    transition: all 0.3s ease;
    font-weight: 700 !important;
}
.nav-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(198, 123, 76, 0.4);
    filter: brightness(1.1);
    color: #111 !important;
}
.nav-btn.primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(198, 123, 76, 0.3);
}
.nav-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.step-dots { display: flex; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-color); transition: 0.3s; }
.dot.active { background: var(--accent-gold); transform: scale(1.3); }
.visualizer {
    flex: 1; position: relative;
    background: radial-gradient(circle at center, #23282b 0%, #0d1012 100%);
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    perspective: 1200px;
    overflow: hidden;
}
.visualizer-header {
    position: absolute;
    bottom: 50%; 
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 30;
    transform: translateZ(50px);
    transition: bottom 0.3s ease;
}
.visualizer-header h2 { font-family: 'Cinzel', serif; font-size: 1.2rem; color: #FFF; letter-spacing: 1px; text-shadow: 1px 1px 5px rgba(0,0,0,0.8); }
.animate-btn {
    display: flex; align-items: center; gap: 8px;
    background: rgba(198, 123, 76, 0.25); border: 1px solid var(--accent-copper);
    color: var(--accent-gold); padding: 10px 20px; border-radius: 20px;
    cursor: pointer; font-family: inherit; text-transform: uppercase;
    font-size: 0.75rem; letter-spacing: 1px; transition: all 0.3s;
    backdrop-filter: blur(5px); box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}
.animate-btn:hover { background: rgba(198, 123, 76, 0.4); box-shadow: 0 0 20px rgba(198, 123, 76, 0.5); }
.scene {
    position: relative;
    width: 80%; height: 50%; max-width: 900px;
    display: flex; align-items: flex-end; justify-content: center;
    transform-style: preserve-3d;
    margin-bottom: 50px;
}
.ground-plane {
    position: absolute;
    bottom: -150px;
    width: 200%;
    height: 300px;
    background: 
        linear-gradient(to top, rgba(20, 22, 24, 1) 0%, rgba(45, 48, 52, 0.3) 60%, transparent 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.01) 0px, rgba(255,255,255,0.01) 10px, transparent 10px, transparent 20px);
    transform: rotateX(80deg);
    z-index: 0;
    pointer-events: none;
}
.ground-track {
    position: absolute;
    bottom: -5px;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, #444, #222);
    border-radius: 5px;
    z-index: 1;
    display: none;
    box-shadow: 0 5px 10px rgba(0,0,0,0.8);
}
.posuvna .ground-track { display: block; }
.pillar {
    position: absolute;
    bottom: 0;
    width: 45px;
    height: 110%;
    background: 
        linear-gradient(90deg, #5b5b5b 0%, #7d7d7d 30%, #4a4a4a 80%, #303030 100%),
        url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSIjZmZmIiBmaWxsLW9wYWNpdHk9IjAuMDUiLz4KPC9zdmc+');
    border-radius: 4px;
    box-shadow: 10px 10px 20px rgba(0,0,0,0.7), inset -2px 0 5px rgba(0,0,0,0.4);
    z-index: 5;
    transition: height 0.5s ease;
}
.pillar::after {
    content: '';
    position: absolute;
    top: -15px; left: -5px; right: -5px; height: 15px;
    background: linear-gradient(90deg, #666, #999, #555);
    border-radius: 3px 3px 0 0;
    box-shadow: 0 5px 10px rgba(0,0,0,0.5);
}
.left-pillar { left: 0; }
.right-pillar { right: 0; }
.motor-box {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: 25px;
    height: 35px;
    background: linear-gradient(135deg, #eee 0%, #aaa 100%);
    border-radius: 4px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.8);
    z-index: 10;
    display: none;
}
.motor-box::before {
    content: 'NICE';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%) rotate(-90deg);
    font-size: 6px; font-weight: bold; color: #d00;
}
.has-motor.posuvna .left-pillar .motor-box { display: block; left: 10px; bottom: 5px; z-index: 5; }
.actuator-arm {
    position: absolute;
    top: 50%;
    width: 60px;
    height: 8px;
    background: linear-gradient(to bottom, #ccc, #888);
    border-radius: 4px;
    z-index: 6;
    display: none;
    transform-origin: left center;
}
.has-motor.kridlova .left-pillar .actuator-arm { display: block; left: 35px; transform: rotate(15deg); }
.has-motor.kridlova .right-pillar .actuator-arm { display: block; right: 35px; left: auto; transform-origin: right center; transform: rotate(-15deg); }
.gate-container {
    position: absolute;
    bottom: 5px;
    left: 45px;
    right: 45px;
    height: 100%;
    display: flex;
    justify-content: center;
    z-index: 4;
    transform-style: preserve-3d;
}
.gate-leaf {
    height: 100%;
    position: relative;
    transform-origin: left center;
    transition: transform 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}
.gate-leaf-inner {
    width: 100%; height: 100%;
    position: relative;
    box-shadow: 4px 4px 15px rgba(0,0,0,0.6);
    border-radius: 2px;
}
.pattern-hlinik .gate-leaf-inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px;
    border: 8px solid; 
}
.pattern-hlinik .gate-panel {
    width: 100%;
    height: 12%; 
    border-radius: 2px;
    box-shadow: inset 0 -2px 6px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.1);
    background-image: linear-gradient(to bottom, rgba(255,255,255,0.05) 0%, transparent 40%, rgba(0,0,0,0.3) 100%);
}
.pattern-kov .gate-leaf-inner {
    border: 8px solid; 
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    background-color: transparent !important;
    box-shadow: none;
}
.pattern-kov .gate-panel {
    width: 10px; 
    height: 100%;
    position: relative;
    box-shadow: inset -2px 0 3px rgba(0,0,0,0.5), inset 2px 0 2px rgba(255,255,255,0.1);
}
.pattern-kov .gate-panel::before {
    content: '';
    position: absolute;
    top: -18px; left: 50%; transform: translateX(-50%);
    width: 0; height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 20px solid; 
    filter: drop-shadow(2px 2px 2px rgba(0,0,0,0.5));
}
.pattern-kov .gate-leaf-inner::after,
.pattern-kov .gate-leaf-inner::before {
    content: '';
    position: absolute;
    left: 0; width: 100%; height: 8px;
    z-index: 2;
    box-shadow: inset 0 -2px 3px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.1);
}
.pattern-kov .gate-leaf-inner::before { top: 20%; }
.pattern-kov .gate-leaf-inner::after { bottom: 20%; }
.gate-container.posuvna .gate-leaf {
    width: 100%;
}
.gate-container.posuvna.is-open .gate-leaf {
    transform: translateX(98%);
}
.gate-container.kridlova .gate-leaf {
    width: 50%;
}
.gate-container.kridlova .gate-leaf:nth-child(2) {
    transform-origin: right center;
}
.gate-container.kridlova.is-open .gate-leaf:nth-child(1) {
    transform: rotateY(-105deg);
}
.gate-container.kridlova.is-open .gate-leaf:nth-child(2) {
    transform: rotateY(105deg);
}
.dimensions-overlay {
    position: absolute;
    bottom: 0;
    left: 45px;
    right: 45px;
    width: auto;
    height: 100%;
    transform: none;
    pointer-events: none;
    z-index: 10;
}
.dim-width {
    position: absolute;
    bottom: -100px;
    width: 100%;
    border-top: 3px dashed #c67b4c;
    border-left: 3px solid #c67b4c;
    border-right: 3px solid #c67b4c;
    height: 10px;
}
.dim-width > span {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-gold);
    font-weight: 800;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}
.dim-height {
    position: absolute;
    left: -95px;
    bottom: 5px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    border-right: 3px dashed #c67b4c;
    border-top: 2px solid rgba(198, 123, 76, 1);
    border-bottom: 3px solid #c67b4c;
    width: 10px;
}
.dim-height > span {
    position: absolute;
    right: 20px;
    white-space: nowrap;
    color: var(--accent-gold);
    font-weight: 800;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}
.success-popup {
    position: fixed; inset: 0; background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px); display: flex; justify-content: center;
    align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transition: 0.3s;
}
.success-popup.is-active { opacity: 1; visibility: visible; }
.popup-content {
    background: #151515; padding: 3rem; border: 1px solid var(--border-color);
    border-radius: 8px; text-align: center; max-width: 400px;
}
.popup-icon { font-size: 3rem; color: #4CAF50; margin-bottom: 1rem; }
.popup-content p { margin-bottom: 2rem; color: var(--text-muted); line-height: 1.5; }
@media (max-width: 1024px) {
    .configurator-container { flex-direction: column; overflow-y: auto; }
    .config-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); order: 2; overflow-y: visible; }
    .visualizer { min-height: 55vh; order: 1; }
}
.pillar-kov {
    background-color: #928e85 !important;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 38px, rgba(0,0,0,0.4) 38px, rgba(0,0,0,0.4) 40px),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.1), rgba(0,0,0,0.1) 45px),
        url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4IiBoZWlnaHQ9IjgiPgo8cmVjdCB3aWR0aD0iOCIgaGVpZ2h0PSI4IiBmaWxsPSIjMDAwIiBmaWxsLW9wYWNpdHk9IjAuMTUiLz4KPC9zdmc+') !important;
    box-shadow: 10px 10px 20px rgba(0,0,0,0.7), inset -3px 0 8px rgba(0,0,0,0.6) !important;
    border-radius: 0 !important;
}
.pillar-kov::after {
    top: -12px !important; left: -8px !important; right: -8px !important; height: 12px !important;
    background: linear-gradient(90deg, #7a766c, #9d998f, #636056) !important;
    border-radius: 2px 2px 0 0 !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.5) !important;
    border-bottom: 2px solid rgba(0,0,0,0.3) !important;
}
.pillar-hlinik {
    background-image: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 20%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0.5) 100%) !important;
    border-radius: 2px !important;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.6), inset -1px 0 3px rgba(0,0,0,0.5) !important;
}
.pillar-hlinik::after {
    top: -5px !important; left: -2px !important; right: -2px !important; height: 5px !important;
    background-image: linear-gradient(90deg, rgba(255,255,255,0.3), rgba(0,0,0,0.3)) !important;
    border-radius: 1px 1px 0 0 !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.4) !important;
}
.pattern-scroll {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.pattern-scroll::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
.pattern-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 10px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 8px;
    text-align: center;
}
.pattern-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-1px);
}
.pattern-card.active {
    background: rgba(198, 123, 76, 0.08);
    border-color: rgba(198, 123, 76, 0.5);
}
.pattern-card .p-icon {
    font-size: 1.4rem;
    color: rgba(255,255,255,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
}
.pattern-card.active .p-icon {
    color: var(--accent-gold);
}
.pattern-card span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center !important;
    line-height: 1.3;
    width: 100%;
    display: block;
    font-weight: 500;
}
.pattern-card.active span {
    color: #fff;
}
.color-picker { flex-wrap: wrap; }
.gate-leaf-inner {
    width: 100%; height: 100%; position: relative;
    box-shadow: 4px 4px 15px rgba(0,0,0,0.6); border-radius: 2px;
}
.p-hlinik { border: 8px solid; }
.p-hlinik-1 { display: flex; flex-direction: column; justify-content: space-between; padding: 8px; }
.p-hlinik-1 .gate-panel { width: 100%; height: 12%; border-radius: 2px; box-shadow: inset 0 -2px 6px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.1); background-image: linear-gradient(to bottom, rgba(255,255,255,0.05) 0%, transparent 40%, rgba(0,0,0,0.3) 100%); }
.p-hlinik-2 { padding: 0; background-image: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(0,0,0,0.2)); } 
.p-hlinik-3 { display: flex; flex-direction: row; justify-content: space-between; padding: 8px; }
.p-hlinik-3 .gate-panel { height: 100%; width: 5%; border-radius: 2px; box-shadow: inset -2px 0 6px rgba(0,0,0,0.5), inset 2px 0 2px rgba(255,255,255,0.1); background-image: linear-gradient(to right, rgba(255,255,255,0.05), rgba(0,0,0,0.3)); }
.p-hlinik-4 { display: flex; flex-direction: column; justify-content: space-between; padding: 8px; }
.p-hlinik-4 .gate-panel:nth-child(odd) { width: 100%; height: 5%; box-shadow: inset 0 -1px 3px rgba(0,0,0,0.5); }
.p-hlinik-4 .gate-panel:nth-child(even) { width: 100%; height: 18%; box-shadow: inset 0 -2px 6px rgba(0,0,0,0.5); }
.p-hlinik-5 { display: flex; flex-direction: column; justify-content: space-evenly; padding: 8px; }
.p-hlinik-5 .gate-panel { width: 100%; height: 8%; }
.p-hlinik-6 { background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0,0,0,0.4) 20px, rgba(0,0,0,0.4) 40px); }
.p-hlinik-7 { background-image: radial-gradient(rgba(0,0,0,0.6) 20%, transparent 20%), radial-gradient(rgba(0,0,0,0.6) 20%, transparent 20%); background-size: 20px 20px; background-position: 0 0, 10px 10px; }
.p-hlinik-8 { display: flex; flex-direction: column; justify-content: space-between; padding: 8px; position: relative; }
.p-hlinik-8 .gate-panel { width: 100%; height: 12%; box-shadow: inset 0 -2px 6px rgba(0,0,0,0.5); }
.p-hlinik-8::after { content: ''; position: absolute; left: 15%; top: 0; bottom: 0; width: 15%; background: rgba(0,0,0,0.3); border-left: 2px solid rgba(0,0,0,0.5); border-right: 2px solid rgba(255,255,255,0.1); }
.p-hlinik-9 { background-image: repeating-linear-gradient(to bottom, transparent, transparent 15px, rgba(0,0,0,0.5) 15px, rgba(0,0,0,0.5) 18px); }
.p-hlinik-10 { display: flex; flex-direction: row; justify-content: space-between; padding: 8px; }
.p-hlinik-10 .gate-panel { height: 100%; width: 15%; box-shadow: inset -2px 0 6px rgba(0,0,0,0.5); }
.p-kov { border: 8px solid; display: flex; justify-content: space-evenly; align-items: center; background-color: transparent !important; box-shadow: none; position: relative; }
.p-kov .gate-panel { width: 8px; height: 100%; position: relative; box-shadow: inset -2px 0 3px rgba(0,0,0,0.5), inset 2px 0 2px rgba(255,255,255,0.1); }
.p-kov-spikes .gate-panel::before { content: ''; position: absolute; top: -18px; left: 50%; transform: translateX(-50%); width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-bottom: 18px solid; filter: drop-shadow(2px 2px 2px rgba(0,0,0,0.5)); }
.p-kov-bars::after, .p-kov-bars::before { content: ''; position: absolute; left: 0; width: 100%; height: 8px; z-index: 2; box-shadow: inset 0 -2px 3px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.1); }
.p-kov-bars::before { top: 20%; }
.p-kov-bars::after { bottom: 20%; }
.p-kov-1 {  }
.p-kov-2 { border-top-left-radius: 50% 100px; border-top-right-radius: 50% 100px; }
.p-kov-3::before { top: 15%; }
.p-kov-3 .gate-panel::after { content: ''; position: absolute; top: 8%; left: -8px; width: 24px; height: 24px; border: 4px solid; border-radius: 50%; }
.p-kov-4 .gate-panel:nth-child(even) { height: 60%; align-self: flex-end; }
.p-kov-4 .gate-panel:nth-child(even)::before { display: none; }
.p-kov-5 { border-top-left-radius: 50% 100px; border-top-right-radius: 50% 100px; }
.p-kov-5 .gate-panel:nth-child(even) { height: 80%; align-self: flex-end; }
.p-kov-6::before { top: 33%; }
.p-kov-6::after { bottom: 33%; }
.p-kov-7 .gate-panel:nth-child(even)::after { content: ''; position: absolute; top: 40%; left: -6px; width: 20px; height: 40px; border: 3px solid; border-left-color: transparent; border-radius: 50%; }
.p-kov-8 .gate-panel::before { display: none; } 
.p-kov-8 .gate-panel { height: 95%; }
.p-kov-9 { border-top-left-radius: 50% 30px; border-top-right-radius: 50% 30px; border-top-width: 15px; }
.p-kov-10 { gap: 2px; } 
body {
    display: flex;
    flex-direction: row;
    height: 100vh;
    overflow: hidden; 
}
.config-sidebar {
    height: 100vh;
    overflow-y: auto; 
    flex: 0 0 380px;
    z-index: 100;
}
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    position: relative;
}
.visualizer {
    flex: 1;
    height: auto;
}
@media (max-width: 1024px) {
    body {
        flex-direction: column;
        overflow-y: auto;
    }
    .main-content {
        height: auto;
        flex: none;
        order: 1;
    }
    .visualizer {
        min-height: 55vh;
    }
    .config-sidebar {
        width: 100%;
        flex: none;
        height: auto;
        order: 2;
        overflow-y: visible;
    }
}
.option-card {
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 0.8rem 1rem !important;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.02);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 45px;
}
.option-card h3 {
    transition: color 0.3s ease;
    margin: 0 !important;
}
.nav-btn {
    padding: 15px 30px !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sub-heading {
    font-size: 0.75rem !important;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 2rem 0 1rem;
    font-weight: 600;
}
.slider-group label {
    font-size: 0.7rem !important;
}
.option-card h3 {
    transition: color 0.3s ease;
    font-size: 0.75rem !important;
}
.slider-group label > span {
    font-size: 1.1rem !important;
}
.color-swatch {
    width: 30px !important;
    height: 30px !important;
}
.logo-name {
    line-height: 1 !important;
}
.logo-tagline {
    margin-top: 2px !important;
}
.dimensions-overlay {
    transform: translateZ(1px) !important;
}
.option-card.active h3 {
    color: var(--accent-gold);
}
.gate-leaf {
    position: relative;
    height: 100%;
    box-sizing: border-box;
    flex: 1;
    margin: 0 2px;
}
.gate-frame {
    position: absolute;
    bottom: 0; left: 0; right: 0; top: 0;
    border: 4px solid var(--gate-color, #fff);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}
.gate-inner {
    flex: 1;
    width: 100%;
    position: relative;
    background-color: transparent;
}
.p-hlinik-1 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 20px, transparent 20px, transparent 25px); }
.p-hlinik-2 .gate-inner { background: repeating-linear-gradient(to right, var(--gate-color) 0px, var(--gate-color) 20px, transparent 20px, transparent 25px); }
.p-hlinik-3 .gate-inner { background: var(--gate-color); }
.p-hlinik-3 .gate-frame { background: repeating-linear-gradient(to bottom, transparent 0px, transparent 30px, rgba(0,0,0,0.1) 30px, rgba(0,0,0,0.1) 32px); }
.p-hlinik-4 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 15px, rgba(0,0,0,0.3) 15px, rgba(0,0,0,0.3) 18px); box-shadow: inset 0 5px 15px rgba(0,0,0,0.5); }
.p-hlinik-5 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 30px, transparent 30px, transparent 50px); }
.p-hlinik-6 .gate-inner { background-color: rgba(0,0,0,0.2); background-image: radial-gradient(var(--gate-color) 2px, transparent 2.5px), radial-gradient(var(--gate-color) 2px, transparent 2.5px); background-size: 10px 10px; background-position: 0 0, 5px 5px; }
.p-hlinik-7 .gate-inner { background-color: var(--gate-color); mask-image: radial-gradient(circle, transparent 3px, black 3.5px); mask-size: 15px 15px; -webkit-mask-image: radial-gradient(circle, transparent 3px, black 3.5px); -webkit-mask-size: 15px 15px; }
.p-hlinik-8 .gate-inner { background: var(--gate-color); height: 70%; flex: none; position: absolute; bottom: 0;}
.gate-glass { position: absolute; top: 0; left: 0; right: 0; height: 30%; background: rgba(30,30,30,0.8); border-bottom: 4px solid var(--gate-color); }
.p-hlinik-9 .gate-inner { background: repeating-linear-gradient(to right, var(--gate-color) 0px, var(--gate-color) 4px, transparent 4px, transparent 15px); }
.p-hlinik-10 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 50px, transparent 50px, transparent 55px); }
.kov .gate-frame { border: 4px solid var(--gate-color); }
.gate-spikes { position: absolute; top: -15px; left: 0; right: 0; height: 15px; background: repeating-linear-gradient(to right, transparent 0, transparent 4px, var(--gate-color) 4px, var(--gate-color) 8px, transparent 8px, transparent 20px); clip-path: polygon(0% 100%, 100% 100%, 100% 50%, 50% 0%, 0% 50%); }
.p-kov-1 .gate-inner { background: repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-2 .gate-frame { border-top-left-radius: 50% 20%; border-top-right-radius: 50% 20%; }
.p-kov-2 .gate-spikes { display: none; }
.p-kov-2 .gate-inner { background: repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); border-top-left-radius: 50% 20%; border-top-right-radius: 50% 20%; }
.p-kov-3 .gate-spikes { display: none; }
.p-kov-3 .gate-inner { background: repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-4 .gate-inner { background: radial-gradient(circle, transparent 4px, var(--gate-color) 5px, var(--gate-color) 7px, transparent 8px) center center / 20px 40px repeat-x, repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-5 .gate-inner { background: radial-gradient(circle at right, transparent 4px, var(--gate-color) 5px, var(--gate-color) 7px, transparent 8px) center center / 20px 30px repeat, repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-6 .gate-inner { background: linear-gradient(45deg, transparent 45%, var(--gate-color) 45%, var(--gate-color) 55%, transparent 55%) center center / 20px 40px repeat, repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-7 .gate-inner { background: repeating-linear-gradient(to right, transparent 0, transparent 4px, var(--gate-color) 4px, var(--gate-color) 8px, transparent 8px, transparent 12px); }
.p-kov-8 .gate-spikes { display: none; }
.p-kov-8 .gate-inner { background-color: rgba(50,50,50,0.9); background-image: repeating-linear-gradient(to right, transparent 0, transparent 8px, var(--gate-color) 8px, var(--gate-color) 12px, transparent 12px, transparent 20px); }
.p-kov-9 .gate-spikes { display: none; }
.p-kov-9 .gate-inner { background-color: transparent; background-image: linear-gradient(45deg, var(--gate-color) 25%, transparent 25%, transparent 75%, var(--gate-color) 75%, var(--gate-color)), linear-gradient(-45deg, var(--gate-color) 25%, transparent 25%, transparent 75%, var(--gate-color) 75%, var(--gate-color)); background-size: 8px 8px; background-position: 0 0, 4px 0; }
.p-kov-10 .gate-frame { border: 8px solid var(--gate-color); }
.p-kov-10 .gate-inner { background: linear-gradient(45deg, transparent 45%, var(--gate-color) 45%, var(--gate-color) 55%, transparent 55%) 0 0 / 20px 20px, linear-gradient(-45deg, transparent 45%, var(--gate-color) 45%, var(--gate-color) 55%, transparent 55%) 0 0 / 20px 20px; }
.drevo .gate-frame { border: 6px solid #222; } 
.p-drevo-1 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 48px, rgba(0,0,0,0.6) 48px, rgba(0,0,0,0.6) 50px); }
.p-drevo-2 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 40px, transparent 40px, transparent 50px); }
.p-drevo-3 .gate-inner { background: repeating-linear-gradient(to right, var(--gate-color) 0px, var(--gate-color) 38px, rgba(0,0,0,0.6) 38px, rgba(0,0,0,0.6) 40px); }
.p-drevo-4 .gate-inner { background: repeating-linear-gradient(to right, var(--gate-color) 0px, var(--gate-color) 30px, transparent 30px, transparent 40px); }
.p-drevo-5 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 16px, rgba(0,0,0,0.8) 16px, rgba(0,0,0,0.8) 20px); box-shadow: inset 0 5px 15px rgba(0,0,0,0.6); }
.p-drevo-6 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 40px, transparent 40px, transparent 80px); }
.p-drevo-7 .gate-inner { background: repeating-linear-gradient(45deg, var(--gate-color) 0px, var(--gate-color) 38px, rgba(0,0,0,0.6) 38px, rgba(0,0,0,0.6) 40px); }
.p-drevo-8 .gate-inner { background: repeating-linear-gradient(to bottom, var(--gate-color) 0px, var(--gate-color) 30px, #333 30px, #333 35px); }
.p-drevo-9 .gate-inner { background-color: var(--gate-color); background-image: linear-gradient(rgba(0,0,0,0.4) 2px, transparent 2px), linear-gradient(90deg, rgba(0,0,0,0.4) 2px, transparent 2px); background-size: 60px 60px; }
.p-drevo-10 .gate-inner { background: repeating-linear-gradient(to right, var(--gate-color) 0px, var(--gate-color) 80px, rgba(0,0,0,0.7) 80px, rgba(0,0,0,0.7) 83px); }