/* Stitch Shop — base styles (palette lives in shared.css) */
:root{--radius:24px;--radius-sm:16px;--pill:999px;--pad:20px;--font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
@media(max-width:400px){:root{--pad:16px}}
@media(min-width:700px){:root{--pad:28px}}
@media(min-width:1100px){:root{--pad:40px}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 var(--font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
a{color:inherit}
img{display:block;max-width:100%}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Layout */
.app{max-width:1240px;margin:0 auto;min-height:calc(100vh - 64px);padding:0 var(--pad) 40px;position:relative}
.topbar{display:flex;align-items:center;gap:12px;height:72px}
.topbar h1,.page-title{font-size:28px;line-height:1.15;font-weight:700;letter-spacing:-.02em;margin:0}
.topbar.center{justify-content:center;position:relative}
.topbar.center .back-btn{position:absolute;left:-6px}
.topbar.center .topbar-end{position:absolute;right:0}
.back-btn{width:44px;height:44px;border:0;border-radius:50%;background:transparent;display:grid;place-items:center;color:var(--text);text-decoration:none;flex:none}
.back-btn:hover{background:var(--surface)}
.icon{width:24px;height:24px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:0;border-radius:var(--pill);min-height:56px;padding:0 26px;font-size:18px;font-weight:600;text-decoration:none;transition:background .15s,transform .1s,opacity .15s;white-space:nowrap}
.btn:active:not(:disabled){transform:scale(.985)}
.btn-block{width:100%}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--blue-hover)}
.btn-primary:disabled{background:var(--surface-3);color:var(--muted)}
.btn-white{background:var(--btn-white-bg);color:var(--btn-white-fg)}
.btn-white:hover{background:var(--btn-white-hover)}
.btn-muted{background:var(--surface-2);color:var(--text)}
.btn-muted:hover:not(:disabled){background:var(--surface-3)}
.btn-muted:disabled{color:var(--muted)}
.btn-sm{min-height:44px;font-size:15px;padding:0 18px}
.btn.on{background:var(--surface-2);color:var(--green)}
.link-btn{border:0;background:none;color:var(--blue-text);font-weight:600;font-size:16px;padding:6px 0;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.chip{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line-strong);background:transparent;border-radius:14px;padding:9px 16px;font-size:16px;font-weight:500;color:var(--text);transition:.15s}
.chip:hover{border-color:var(--chip-hover)}
.chip.selected{background:var(--text);color:var(--bg);border-color:var(--text)}

/* Cards */
.card{background:var(--surface);border-radius:var(--radius);padding:24px}
.muted{color:var(--muted)}
.section{margin-top:44px}
.section-title{font-size:22px;font-weight:700;letter-spacing:-.01em;margin:0}
.section-sub{color:var(--muted);font-size:17px;margin:6px 0 0}
.divider{height:10px;background:var(--divider-bg);margin:28px calc(var(--pad)*-1)}

/* Fields (floating label style) */
.field{position:relative;display:block;border:2px solid var(--line-strong);background:var(--surface);border-radius:20px;padding:12px 18px;transition:border-color .15s}
.field:focus-within{border-color:var(--blue-text)}
.field>span{display:block;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.01em}
.field input,.field textarea,.field select{display:block;width:100%;border:0;background:transparent;outline:0;padding:2px 0 0;font-size:17px;color:var(--text)}
.field textarea{resize:vertical;min-height:70px;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:invalid:not(:placeholder-shown){color:var(--red)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fields .full{grid-column:1/-1}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(100px + env(safe-area-inset-bottom));z-index:60;transform:translate(-50%,16px);opacity:0;pointer-events:none;background:var(--toast-bg);color:var(--toast-fg);border-radius:var(--pill);padding:12px 20px;font-size:14px;font-weight:600;box-shadow:var(--shadow);transition:.22s;max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Footer */
.site-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;color:var(--dim);font-size:13px;text-align:center;margin-top:40px}
.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--text)}

@media(max-width:400px){.btn{font-size:17px}.fields{grid-template-columns:1fr}.fields .full{grid-column:auto}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}