/* ==========================================================================
   Skills. shared design system  —  /skills-ui.css
   Loaded by every customer-facing page. Light is the default; dark is
   opt-in via <html data-theme="dark"> (set by /skills-ui.js).
   ========================================================================== */

:root{
  /* surfaces */
  --canvas:#F2F4F3;      /* page background */
  --paper:#FFFFFF;       /* cards, header, sheets */
  --sunk:#E9ECEB;        /* inputs, chips, empty photo fill */
  --line:#DDE2E0;        /* hairlines */
  --line-strong:#C6CDCA;
  /* text */
  --ink:#10211C;         /* headings, primary text */
  --ink-2:#44524D;       /* body secondary */
  --ink-3:#586560;       /* meta text, 6.1:1 on paper */
  /* brand */
  --brand:#0B7A55;       /* actions, links (5.4:1 on paper) */
  --brand-hover:#096347;
  --brand-soft:#DDF3E9;  /* tinted fills */
  --on-brand:#FFFFFF;
  --deep:#0C2A22;        /* dark feature bands */
  --on-deep:#EAF5F0;
  --on-deep-2:#9DB8AE;
  --signal:#F2B134;      /* stars, "new" markers */
  --danger:#B42318;
  --danger-soft:#FDE7E4;
  /* shape + motion */
  --r-s:10px; --r-m:16px; --r-l:24px; --r-xl:32px;
  --shadow-float:0 10px 30px -8px rgba(16,33,28,.22),0 2px 6px rgba(16,33,28,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  /* type */
  --font-display:'Bricolage Grotesque','Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  /* safe areas (iPhone notch / Dynamic Island / home bar) */
  --sat:var(--safe-area-inset-top, env(safe-area-inset-top, 0px));
  --sab:var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
  --sal:var(--safe-area-inset-left, env(safe-area-inset-left, 0px));
  --sar:var(--safe-area-inset-right, env(safe-area-inset-right, 0px));
  --header-h:64px;
  --tabbar-h:64px;
  color-scheme:light;
}

:root[data-theme="dark"]{
  --canvas:#0A100E;
  --paper:#121B18;
  --sunk:#1B2622;
  --line:#26332E;
  --line-strong:#364540;
  --ink:#EDF3F0;
  --ink-2:#B4C2BC;
  --ink-3:#8A9A93;
  --brand:#3DD6A0;
  --brand-hover:#63E3B6;
  --brand-soft:#123A2D;
  --on-brand:#06231A;
  --deep:#0F2E25;
  --on-deep:#EAF5F0;
  --on-deep-2:#9DB8AE;
  --signal:#F5BE4F;
  --danger:#FF8A7E;
  --danger-soft:#3A1713;
  --shadow-float:0 12px 34px -8px rgba(0,0,0,.65),0 2px 6px rgba(0,0,0,.4);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overflow-x:hidden}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img{display:block;max-width:100%}
input,select,textarea{font:inherit;color:inherit}
svg.i{width:1.25em;height:1.25em;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
svg.i.fill{fill:currentColor;stroke:none}

h1,h2,h3{font-family:var(--font-display);color:var(--ink);letter-spacing:-.02em;line-height:1.08;font-weight:700}

:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-soft);color:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 max(20px,var(--sal)) 0 max(20px,var(--sar))}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ---------- Header ---------- */
.s-header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line);padding-top:var(--sat)}
.s-header-in{height:var(--header-h);display:flex;align-items:center;gap:16px}
.s-logo{font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:-.04em;color:var(--ink);display:inline-flex;align-items:baseline}
.s-logo i{font-style:normal;color:var(--brand)}
.s-nav{display:none;gap:4px;margin-left:12px}
.s-nav a{white-space:nowrap;padding:8px 14px;border-radius:999px;font-weight:600;font-size:.95rem;color:var(--ink-2);transition:background .15s,color .15s}
.s-nav a:hover{background:var(--sunk);color:var(--ink)}
.s-nav a[aria-current="page"]{color:var(--ink);background:var(--sunk)}
.s-spacer{flex:1}
.icon-btn{width:42px;height:42px;border-radius:50%;display:inline-grid;place-items:center;color:var(--ink-2);transition:background .15s,color .15s}
.icon-btn:hover{background:var(--sunk);color:var(--ink)}
.icon-btn svg{width:22px;height:22px}
.acct-btn{display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 14px 0 6px;border-radius:999px;border:1px solid var(--line-strong);font-weight:600;font-size:.92rem;transition:border-color .15s,background .15s}
.acct-btn:hover{background:var(--sunk)}
.acct-btn.guest{padding:0 16px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-size:.8rem;font-weight:800;overflow:hidden;flex:none}
.avatar img{width:100%;height:100%;object-fit:cover}
.acct-name{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:560px){.acct-btn:not(.guest) .acct-name{display:none}.acct-btn:not(.guest){padding:0 6px}.acct-btn.guest{padding:0 16px}}
@media(min-width:768px){.s-nav{display:flex}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-weight:700;font-size:.95rem;white-space:nowrap;transition:background .15s,transform .15s var(--ease),border-color .15s;user-select:none}
.btn:active{transform:scale(.97)}
.btn-brand{background:var(--brand);color:var(--on-brand)}
.btn-brand:hover{background:var(--brand-hover)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{opacity:.9}
.btn-line{border:1.5px solid var(--line-strong);color:var(--ink)}
.btn-line:hover{background:var(--sunk)}
.btn-sm{height:38px;padding:0 16px;font-size:.88rem}
.btn-on-deep{background:var(--on-deep);color:var(--deep)}
.btn-on-deep:hover{background:#fff}

/* ---------- Chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--paper);font-weight:600;font-size:.9rem;color:var(--ink-2);white-space:nowrap;flex:none;transition:all .15s}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip[aria-pressed="true"],.chip.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* ---------- Form controls ---------- */
.field{height:46px;border-radius:var(--r-s);border:1.5px solid var(--line-strong);background:var(--paper);padding:0 14px;font-size:16px;width:100%}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
select.field{appearance:none;-webkit-appearance:none;padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236E7B76' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}

/* ---------- Mobile tab bar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--paper);border-top:1px solid var(--line);display:flex;padding:6px max(8px,var(--sar)) calc(6px + var(--sab)) max(8px,var(--sal))}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;border-radius:12px;font-size:.72rem;font-weight:700;color:var(--ink-3);min-height:50px;justify-content:center}
.tabbar a svg{width:24px;height:24px}
.tabbar a[aria-current="page"]{color:var(--brand)}
.has-tabbar{padding-bottom:calc(var(--tabbar-h) + var(--sab))}
@media(min-width:768px){.tabbar{display:none}.has-tabbar{padding-bottom:0}}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--tabbar-h) + var(--sab) + 16px);transform:translate(-50%,24px);opacity:0;pointer-events:none;background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:999px;font-weight:600;font-size:.92rem;z-index:200;transition:transform .3s var(--ease),opacity .2s;max-width:calc(100vw - 32px);text-align:center}
.toast.show{transform:translate(-50%,0);opacity:1}
@media(min-width:768px){.toast{bottom:28px}}

/* ---------- Skeleton ---------- */
.skel{background:linear-gradient(100deg,var(--sunk) 30%,var(--line) 50%,var(--sunk) 70%);background-size:300% 100%;animation:skel 1.4s linear infinite;border-radius:var(--r-m)}
@keyframes skel{from{background-position:100% 0}to{background-position:-100% 0}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}