/* ============================================================
   Plaidly Platform — neutral theme
   Greyscale: black / white / grey. Dark default, light optional.
   Toggle via document.documentElement[data-theme="light|dark"].
   The blue/cyan brand is reserved for landing + checkout only;
   the product surfaces are monochrome.
   ============================================================ */
:root,
:root[data-theme="dark"]{
  --bg:        #0B0C0E;
  --bg-sunken: #0E0F11;
  --surface:   #141517;
  --surface-2: #1A1C1F;
  --raise:     rgba(255,255,255,0.04);
  --line:      rgba(255,255,255,0.10);
  --line-2:    rgba(255,255,255,0.06);
  --tx-1:      #F2F3F5;
  --tx-2:      rgba(242,243,245,0.62);
  --tx-3:      rgba(242,243,245,0.40);
  --inv-bg:    #F2F3F5;   /* primary button bg */
  --inv-tx:    #0B0C0E;   /* primary button text */
  --focus:     rgba(242,243,245,0.25);
  --code-bg:   #08090B;
  --shadow:    0 24px 60px -30px rgba(0,0,0,0.7);
  --ok:        #46C46A;
  --warn:      #E0A33A;
  --err:       #E5605E;
}
:root[data-theme="light"]{
  --bg:        #FFFFFF;
  --bg-sunken: #F7F8F9;
  --surface:   #FFFFFF;
  --surface-2: #F4F5F6;
  --raise:     rgba(16,18,22,0.03);
  --line:      #E4E6EA;
  --line-2:    #EEEFF1;
  --tx-1:      #16181D;
  --tx-2:      #5A6068;
  --tx-3:      #8A9099;
  --inv-bg:    #16181D;
  --inv-tx:    #FFFFFF;
  --focus:     rgba(22,24,29,0.18);
  --code-bg:   #16181D;
  --shadow:    0 18px 44px -24px rgba(16,18,22,0.22);
  --ok:        #1E9E4A;
  --warn:      #B5790E;
  --err:       #C7403E;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--tx-1);
  font-family:var(--font-display);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  transition:background 240ms var(--ease-out),color 240ms var(--ease-out);
}
a{color:inherit}

/* ---- type helpers ------------------------------------------- */
.p-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--tx-3)}
.p-mono{font-family:var(--font-mono)}
.p-muted{color:var(--tx-2)}
.p-faint{color:var(--tx-3)}

/* ---- buttons ------------------------------------------------- */
.pb{height:40px;padding:0 16px;border-radius:9px;border:1px solid transparent;font-family:var(--font-display);font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all 150ms var(--ease-out);white-space:nowrap;text-decoration:none}
.pb.primary{background:var(--inv-bg);color:var(--inv-tx)}
.pb.primary:hover{opacity:0.9;transform:translateY(-1px)}
.pb.ghost{background:transparent;color:var(--tx-1);border-color:var(--line)}
.pb.ghost:hover{background:var(--raise);border-color:var(--tx-3)}
.pb.sm{height:32px;padding:0 12px;font-size:12px;border-radius:8px}
.pb.lg{height:46px;padding:0 22px;font-size:14px}

/* ---- platform header --------------------------------------- */
.p-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 80%, transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.p-header .in{max-width:1200px;margin:0 auto;padding:13px 28px;display:flex;align-items:center;gap:24px}
.p-logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none}
.p-logo img{width:21px;height:21px}
.p-logo .wm{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-0.01em;color:var(--tx-1)}
.p-logo .tag{font-family:var(--font-mono);font-size:10px;color:var(--tx-3);border:1px solid var(--line);border-radius:5px;padding:2px 6px;margin-left:2px}
.p-nav{display:flex;gap:20px;margin-left:6px}
.p-nav a{font-size:13px;color:var(--tx-2);text-decoration:none;transition:color 140ms}
.p-nav a:hover,.p-nav a.on{color:var(--tx-1)}
.p-sp{flex:1}
.p-header .right{display:flex;align-items:center;gap:10px}

/* theme toggle */
.theme-toggle{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--raise);color:var(--tx-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all 150ms var(--ease-out)}
.theme-toggle:hover{color:var(--tx-1);border-color:var(--tx-3)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .moon{display:none}
:root[data-theme="light"] .theme-toggle .sun{display:none}
:root[data-theme="light"] .theme-toggle .moon{display:block}

/* logo auto-invert: mark is black artwork; flip in dark mode */
:root[data-theme="dark"] .p-logo img,
:root[data-theme="dark"] .p-foot-logo img{filter:invert(1) brightness(2)}

/* ---- cards & surfaces -------------------------------------- */
.p-card{background:var(--surface);border:1px solid var(--line);border-radius:14px}
.p-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--tx-2)}
.p-badge .d{width:6px;height:6px;border-radius:50%}
.p-kbd{font-family:var(--font-mono);font-size:11px;color:var(--tx-3);border:1px solid var(--line);border-radius:5px;padding:1px 6px}

/* ---- code -------------------------------------------------- */
.p-code{background:var(--code-bg);border:1px solid var(--line);border-radius:12px;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;overflow:auto}
:root[data-theme="light"] .p-code{color:#E8ECF2}
.p-code .cm{color:#8A9099;font-style:italic}
.p-code .kw{color:#C7CDD6}
.p-code .str{color:#9FE0B0}
.p-code .fn{color:#BFC7D2}

/* ---- footer ------------------------------------------------ */
.p-footer{border-top:1px solid var(--line-2);background:var(--bg-sunken)}
.p-footer .in{max-width:1200px;margin:0 auto;padding:40px 28px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.p-foot-logo{display:inline-flex;align-items:center;gap:9px;margin-bottom:12px}
.p-foot-logo img{width:20px;height:20px}
.p-foot-logo span{font-weight:700;font-size:15px}
.p-footer p{font-size:13px;color:var(--tx-2);line-height:1.6;max-width:280px;margin:0}
.p-fcol h4{font-family:var(--font-mono);font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--tx-3);margin:0 0 12px}
.p-fcol a{display:block;font-size:13px;color:var(--tx-2);text-decoration:none;margin-bottom:9px}
.p-fcol a:hover{color:var(--tx-1)}
.p-fbottom{max-width:1200px;margin:0 auto;padding:16px 28px;border-top:1px solid var(--line-2);display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--tx-3)}

@media (max-width:760px){
  .p-header .in{padding:11px 16px;gap:12px;flex-wrap:wrap}
  .p-logo .tag{display:none}
  .p-nav{order:3;width:100%;margin-left:0;gap:8px;overflow-x:auto;padding:2px 0 1px;scrollbar-width:none}
  .p-nav::-webkit-scrollbar{display:none}
  .p-nav a{white-space:nowrap;font-size:12px;padding:6px 9px;border:1px solid var(--line-2);border-radius:999px;background:var(--raise)}
  .p-sp{flex:1}
  .p-header .right{gap:8px}
  .p-header .right .pb.ghost{display:none}
  .pb.sm{height:34px;padding:0 11px}
  .p-footer .in{grid-template-columns:1fr 1fr;padding:32px 20px;gap:22px}
  .p-footer .in > :first-child{grid-column:1/-1}
  .p-fbottom{padding:15px 20px;flex-direction:column;gap:8px}
}

@media (max-width:420px){
  .p-footer .in{grid-template-columns:1fr}
}