:root {
    --ink: #212B31;
    --ink-soft: #5F7385;
    --surface: #FFFFFF;
    --surface-warm: #ffefd4;
    --surface-dark: #212B31;
    --accent: #ff9a6e;
    --accent-hover: #E5A88E;
    --accent-text: #212B31;
    --accent-soft: rgba(255,187,158,.15);
    --gray1: #212B31;
    --gray2: #5F7385;
    --gray3: #D2D2D7;
    --gray4: #F8F8F8;
    --white: #FFFFFF;
    --red: #FF3B30;
    --green: #34C759;
    --radius: 14px;
    --ease: cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
    font-family:'DM Sans',-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
    background:var(--gray4);color:var(--gray1);height:100vh;height:100dvh;
    overflow:hidden;-webkit-font-smoothing:antialiased;font-size:15px;
}

/* APP SHELL */
.app{display:flex;height:100vh;height:100dvh}

/* SIDEBAR */
.sidebar{
    width:360px;min-width:360px;background:rgba(255,255,255,.85);
    backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);
    border-right:1px solid rgba(33,43,49,.08);display:flex;flex-direction:column;
    overflow:hidden;position:relative;z-index:10;
}
.sidebar-header{padding:20px 24px;border-bottom:1px solid rgba(33,43,49,.06)}
.app-title{font-size:20px;font-weight:700;letter-spacing:-.4px;color:var(--gray1)}
.app-sub{font-size:11px;color:var(--gray2);margin-top:1px;letter-spacing:.2px}

/* Mannequin toggle - always visible */
.man-toggle{
    display:flex;gap:8px;padding:12px 24px;background:rgba(255,154,110,.05);
    border-bottom:1px solid rgba(33,43,49,.06);
}
.man-btn{
    flex:1;padding:10px 12px;border:1.5px solid var(--gray3);border-radius:10px;
    background:var(--white);cursor:pointer;font-family:inherit;font-size:12px;
    font-weight:600;color:var(--gray2);transition:all .2s;position:relative;
}
.man-btn.active{border-color:var(--accent);color:var(--accent-text);background:rgba(255,154,110,.1)}
.man-btn:disabled{opacity:.5;cursor:not-allowed}
.man-btn .man-tag{
    position:absolute;top:-7px;right:-7px;font-size:7px;font-weight:800;
    padding:2px 5px;border-radius:4px;letter-spacing:.3px;
}
.man-tag-free{background:var(--green);color:#fff}
.man-tag-soon{background:var(--gray1);color:#fff}

/* Steps navigation - 2 STEPS */
.steps-nav{display:flex;padding:12px 24px;gap:4px;border-bottom:1px solid rgba(33,43,49,.06)}
.step-dot{flex:1;height:3px;border-radius:2px;background:var(--gray3);transition:background .4s var(--ease)}
.step-dot.active{background:var(--accent)}
.step-dot.done{background:var(--gray1)}

/* Steps container - 2 panels */
.steps-scroll{flex:1;overflow:hidden;position:relative}
.steps-track{display:flex;width:200%;height:100%;transition:transform .5s var(--ease)}
.step-panel{width:50%;height:100%;overflow-y:auto;padding:0;-webkit-overflow-scrolling:touch}
.step-panel::-webkit-scrollbar{width:6px}
.step-panel::-webkit-scrollbar-thumb{background:rgba(33,43,49,.08);border-radius:3px}
.step-content{padding:20px 24px 100px}
.step-title{font-size:22px;font-weight:700;letter-spacing:-.3px;margin-bottom:4px;color:var(--gray1)}
.step-desc{font-size:13px;color:var(--gray2);margin-bottom:20px;line-height:1.4}
.sec-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--gray2);margin:20px 0 10px}
.sec-label:first-child{margin-top:0}

/* Category cards */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cat-card{
    background:var(--white);border:2px solid var(--gray3);border-radius:var(--radius);
    padding:24px 16px;text-align:center;cursor:pointer;transition:all .3s var(--ease);
    position:relative;overflow:hidden;
}
.cat-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,154,110,.15)}
.cat-card.selected{border-color:var(--accent);background:rgba(255,154,110,.06)}
.cat-card.selected::after{
    content:'\2713';position:absolute;top:8px;right:8px;width:22px;height:22px;
    background:var(--accent);color:var(--accent-text);border-radius:50%;
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.cat-card.disabled{opacity:.5;filter:grayscale(1);cursor:not-allowed;pointer-events:none}
.cat-card.disabled::after{
    content:"SOON";position:absolute;top:8px;right:8px;
    background:var(--gray3);font-size:8px;padding:2px 6px;border-radius:4px;font-weight:bold;
}
.cat-icon{display:flex;align-items:center;justify-content:center;margin-bottom:8px;color:var(--gray2)}
.cat-card.selected .cat-icon{color:var(--accent)}

.cat-label{font-size:14px;font-weight:600}

/* Option cards (horizontal scroll) */
.opt-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory}
.opt-scroll::-webkit-scrollbar{height:4px}
.opt-scroll::-webkit-scrollbar-thumb{background:rgba(33,43,49,.1);border-radius:2px}
.opt-card{
    min-width:90px;flex:0 0 90px;background:var(--white);border:2px solid var(--gray3);
    border-radius:12px;padding:10px 8px;text-align:center;cursor:pointer;
    transition:all .3s var(--ease);scroll-snap-align:start;
}
.opt-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.opt-card.selected{border-color:var(--accent);background:rgba(255,154,110,.08)}
.opt-card.none-card{border-style:dashed;opacity:.7}
.opt-card.none-card.selected{opacity:1}
.opt-name{font-size:11px;font-weight:500;color:var(--gray2);margin-top:4px}
.opt-card.selected .opt-name{color:var(--accent-text);font-weight:600}
.opt-preview{height:50px;display:flex;align-items:center;justify-content:center;font-size:24px;opacity:.4}
.opt-card.selected .opt-preview{opacity:.8}

/* Toggles (iOS) */
.tog-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.tog-label{font-size:14px;font-weight:500}
.tog{
    position:relative;width:44px;height:26px;background:var(--gray3);
    border-radius:26px;cursor:pointer;transition:background .3s var(--ease);flex-shrink:0;
}
.tog.on{background:var(--accent)}
.tog::after{
    content:'';position:absolute;top:2px;left:2px;width:22px;height:22px;
    background:white;border-radius:50%;transition:transform .3s var(--ease);
    box-shadow:0 2px 4px rgba(0,0,0,.15);
}
.tog.on::after{transform:translateX(18px)}

/* Colors */
.color-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.color-row label{font-size:13px;font-weight:500;min-width:48px}
input[type="color"]{width:32px;height:32px;border:2px solid var(--gray3);border-radius:8px;cursor:pointer;padding:2px;-webkit-appearance:none}
.hex{font-family:"SF Mono",monospace;font-size:11px;color:var(--gray2)}

/* Buttons */
.btn{
    width:100%;padding:14px;border:none;border-radius:var(--radius);
    font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;
    transition:all .3s var(--ease);display:flex;align-items:center;justify-content:center;gap:8px;
}
.btn-blue{background:var(--accent);color:var(--accent-text)}
.btn-blue:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,154,110,.3)}
.btn-blue:active{transform:translateY(0)}
.btn-blue:disabled{opacity:.35;cursor:not-allowed}
.btn-outline{background:transparent;color:var(--gray1);border:1.5px solid var(--gray3);margin-top:8px}
.btn-outline:hover{background:rgba(33,43,49,.03)}

.sidebar-bottom{
    position:absolute;bottom:0;left:0;right:0;padding:16px 24px;
    background:rgba(255,255,255,.9);backdrop-filter:blur(20px);
    border-top:1px solid rgba(33,43,49,.06);display:flex;gap:10px;
}
.sidebar-bottom .btn{flex:1}

/* MAIN CANVAS */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--gray4)}
.topbar{
    background:rgba(255,255,255,.85);backdrop-filter:blur(40px);
    border-bottom:1px solid rgba(33,43,49,.06);padding:14px 28px;
    display:flex;align-items:center;justify-content:space-between;
}
.topbar-title{font-size:16px;font-weight:600;color:var(--gray1)}
.topbar-home{font-size:13px;font-weight:500;color:var(--gray2);text-decoration:none;transition:color .2s}
.topbar-home:hover{color:var(--gray1)}
.topbar-actions{display:flex;gap:8px}
.topbar-download{
    padding:10px 22px;border:none;background:var(--gray1);color:white;
    border-radius:100px;font-size:13px;font-weight:600;cursor:pointer;
    font-family:inherit;transition:all .3s var(--ease);
}
.topbar-download:hover{background:var(--accent);color:var(--accent-text);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,154,110,.25)}

.canvas-area{flex:1;padding:28px;overflow:auto;display:flex;align-items:flex-start;justify-content:center;flex-wrap:wrap;gap:20px}
.canvas-card{
    background:white;border-radius:20px;padding:24px 36px 36px;
    box-shadow:0 20px 60px rgba(33,43,49,.06);transition:box-shadow .4s;
    min-width:280px;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    flex:1 1 280px;max-width:500px;
}
.canvas-card:hover{box-shadow:0 28px 70px rgba(33,43,49,.09)}
#svg-preview{width:400px;height:700px}
#svg-preview svg{width:100%;height:100%}

.empty{text-align:center;padding:40px}
.empty-icon{font-size:56px;opacity:.12;margin-bottom:12px}
.empty h3{font-size:18px;font-weight:600;margin-bottom:6px;color:var(--gray1)}
.empty p{font-size:13px;color:var(--gray2);line-height:1.5}

/* Modals */
.modal-overlay{
    display:none;position:fixed;top:0;left:0;right:0;bottom:0;
    background:rgba(33,43,49,.5);z-index:1000;align-items:center;justify-content:center;
    backdrop-filter:blur(5px);
}
.modal-overlay.show{display:flex}
.modal-content{background:white;padding:30px;border-radius:20px;width:90%;max-width:400px;text-align:center}
.modal-title{margin-bottom:10px;font-size:18px;font-weight:700;color:var(--gray1)}
.modal-text{font-size:13px;color:var(--gray2);margin-bottom:20px;line-height:1.5}

/* Support button */
.support-button{
    position:fixed;bottom:20px;right:20px;background:var(--accent);color:var(--accent-text);
    padding:12px 18px;border-radius:50px;text-decoration:none;font-weight:600;font-size:14px;
    display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px rgba(255,154,110,.25);
    z-index:9999;transition:transform .2s,box-shadow .2s;
}
.support-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(255,154,110,.35)}

/* MOBILE */
.burger-btn{
    display:none;position:fixed;top:14px;left:14px;z-index:60;
    width:40px;height:40px;border:none;background:rgba(255,255,255,.9);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-radius:10px;cursor:pointer;box-shadow:0 2px 8px rgba(33,43,49,.08);
    align-items:center;justify-content:center;transition:all .3s var(--ease);
}
.burger-btn svg{width:20px;height:20px;color:var(--gray1)}
.home-btn{
    display:none;position:fixed;top:14px;right:14px;z-index:60;
    height:40px;padding:0 16px;border:none;background:rgba(255,255,255,.9);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-radius:10px;cursor:pointer;box-shadow:0 2px 8px rgba(33,43,49,.08);
    align-items:center;justify-content:center;gap:6px;
    font-family:inherit;font-size:12px;font-weight:600;color:var(--gray1);
    text-decoration:none;transition:all .3s var(--ease);
}
.sidebar-backdrop{
    display:none;position:fixed;top:0;left:0;right:0;bottom:0;
    background:rgba(33,43,49,.3);z-index:40;opacity:0;transition:opacity .3s var(--ease);
}
.sidebar-backdrop.show{display:block;opacity:1}
.mobile-download{
    display:none;position:fixed;bottom:50px;left:50%;transform:translateX(-50%);z-index:60;
    padding:14px 28px;border:none;background:var(--gray1);color:white;
    border-radius:100px;font-size:14px;font-weight:600;cursor:pointer;
    font-family:inherit;box-shadow:0 4px 16px rgba(33,43,49,.2);
    transition:all .3s var(--ease);gap:8px;align-items:center;justify-content:center;
}
.mobile-download.show{display:flex}
.mobile-download:active{transform:translateX(-50%) scale(.95)}

@media(max-width:800px){
    .burger-btn{display:flex}
    .home-btn{display:flex}
    .app{flex-direction:column;position:relative}
    .main{position:fixed;top:0;left:0;right:0;bottom:0;height:100dvh;width:100%;z-index:1}
    .topbar{display:none}
    .canvas-area{padding:16px;padding-top:60px}
    .canvas-card{min-width:auto;min-height:auto;padding:20px;border-radius:16px;width:100%;max-width:400px}
    #svg-preview{width:100%;height:auto;aspect-ratio:4/7;max-height:65dvh}
    .sidebar{
        position:fixed;top:0;left:0;bottom:0;z-index:50;width:85vw;max-width:360px;min-width:auto;
        transform:translateX(-100%);transition:transform .35s var(--ease);
        border-right:1px solid rgba(33,43,49,.08);box-shadow:4px 0 24px rgba(33,43,49,.1);
    }
    .sidebar.open{transform:translateX(0)}
    .sidebar-header{padding:16px 20px}
    .step-content{padding:16px 20px 100px}
    .sidebar-bottom{padding:12px 20px}
    .support-button{bottom:12px;right:12px;padding:8px 14px;font-size:11px;z-index:35}
}

/* Canvas label (FRONT / BACK) */
.canvas-label{
    font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;
    color:var(--gray2);text-align:center;margin-bottom:8px;
}

/* Dual canvas layout for ISO */
.canvas-area{flex-wrap:wrap;gap:20px}