/* ============================================================
   Detailing SaaS — shared design system
   "Apple" aesthetic: frosted glass, soft depth, springy motion.
   Owner-themable via CSS vars set in app.js (applyTheme):
     --primary, --accent, --radius, --font
     body[data-btn]  = solid | gradient | outline
     body[data-mode] = light | dark
   ============================================================ */
:root{
  --primary:#1d1d1f; --accent:#0071e3;        /* Apple near-black chrome + system blue */
  --radius:18px; --radius-sm:12px;
  --font:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Segoe UI',Roboto,Helvetica,Arial,sans-serif;

  --bg:#f5f5f7; --surface:#ffffff; --surface2:#f5f5f7;
  --glass:rgba(255,255,255,.72); --glass-border:rgba(255,255,255,.6);
  --ink:#1d1d1f; --ink2:#515154; --ink3:#86868b;   /* Apple neutral text ramp */
  --border:#e3e3e8; --border2:#ededf0;
  --ok:#1d8a45; --okbg:#e3f8ea; --err:#e0322c; --errbg:#fde8e7; --danger:#e0322c;
  --warn:#b25000; --warnbg:#fff2dc;
  --shadow:0 1px 2px rgba(0,0,0,.03),0 12px 32px -10px rgba(0,0,0,.10);
  --shadow-lg:0 28px 70px -16px rgba(0,0,0,.22);
  --ring:0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
}
body[data-mode="dark"]{
  --bg:#0a0f1a; --surface:#161f2f; --surface2:#1c2740;
  --glass:rgba(28,38,58,.62); --glass-border:rgba(255,255,255,.08);
  --ink:#eef3fb; --ink2:#b3c0d4; --ink3:#8190a6;
  --border:#27344b; --border2:#212d42;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 36px -6px rgba(0,0,0,.45);
  --shadow-lg:0 24px 70px -10px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 560px at 108% -12%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 58%),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink);font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  letter-spacing:-.012em;
}
a{color:var(--accent);text-decoration:none;font-weight:500;transition:opacity .15s var(--ease);}
a:hover{opacity:.7;}
::selection{background:color-mix(in srgb,var(--accent) 24%,transparent);}
hr{border:none;border-top:1px solid var(--border);}

.wrap{max-width:960px;margin:0 auto;padding:1.4rem;}
.narrow{max-width:580px;}

/* Top bar — frosted glass, like macOS menu bar */
.topbar{
  background:color-mix(in srgb, var(--primary) 88%, transparent);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  color:#fff;padding:.85rem 0;position:sticky;top:0;z-index:20;
  box-shadow:0 1px 0 rgba(255,255,255,.06),0 8px 30px -10px rgba(13,27,42,.35);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding-top:.5rem;padding-bottom:.5rem;}
.topbar .brand{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;}
.topbar a{color:rgba(255,255,255,.82);}
.brand{font-weight:700;letter-spacing:-.02em;color:#fff;font-size:1.1rem;display:inline-flex;align-items:center;gap:.5rem;}
.brand img{height:30px;border-radius:8px;display:none;}

/* Cards — soft surfaces with depth */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.6rem;margin-bottom:1.15rem;
  box-shadow:var(--shadow);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem;}

/* Type — Apple semibold display weights, tight tracking */
h1{font-size:2.15rem;font-weight:600;line-height:1.07;letter-spacing:-.035em;margin-bottom:.55rem;}
h2{font-size:1.4rem;font-weight:600;margin-bottom:.8rem;letter-spacing:-.025em;}
h3{font-size:1.04rem;font-weight:600;margin-bottom:.55rem;letter-spacing:-.015em;}
.sub{color:var(--ink2);font-size:.97rem;line-height:1.5;}
.muted{color:var(--ink3);font-size:.85rem;}
code{background:var(--surface2);border:1px solid var(--border);padding:.05rem .35rem;border-radius:6px;font-size:.85em;}

/* Forms */
label{display:block;font-size:.8rem;font-weight:600;color:var(--ink2);margin:.75rem 0 .35rem;letter-spacing:-.005em;}
input,select,textarea{
  width:100%;padding:.7rem .85rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font:inherit;background:var(--surface2);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
input::placeholder,textarea::placeholder{color:var(--ink3);}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring);background:var(--surface);}
select{cursor:pointer;}

/* Buttons — pill-shaped, springy press */
.btn{
  display:inline-block;border:1.5px solid transparent;border-radius:999px;
  padding:.72rem 1.4rem;font:inherit;font-weight:600;cursor:pointer;text-align:center;line-height:1.2;white-space:nowrap;
  transition:transform .25s var(--ease-spring),box-shadow .2s var(--ease),background .2s var(--ease),filter .2s var(--ease),opacity .2s var(--ease);
  letter-spacing:-.01em;
}
.btn:active{transform:scale(.96);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px -4px color-mix(in srgb,var(--accent) 55%,transparent);}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 6px 22px -4px color-mix(in srgb,var(--accent) 60%,transparent);transform:translateY(-1px);}
.btn-primary:disabled{opacity:.5;cursor:default;box-shadow:none;transform:none;}
.btn-ghost{background:var(--surface2);border-color:var(--border);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.btn-danger{background:var(--errbg);color:var(--err);border-color:color-mix(in srgb,var(--err) 25%,transparent);}
.btn-danger:hover{background:color-mix(in srgb,var(--err) 16%,var(--surface));}
.btn-sm{padding:.46rem .9rem;font-size:.82rem;}
.btn-full{display:block;width:100%;}
/* themable button styles */
body[data-btn="gradient"] .btn-primary{background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 55%,var(--primary)));}
body[data-btn="outline"] .btn-primary{background:transparent;color:var(--accent);border-color:var(--accent);box-shadow:none;}
body[data-btn="outline"] .btn-primary:hover{background:color-mix(in srgb,var(--accent) 10%,var(--surface));}

/* Layout helpers */
.row{display:flex;gap:.7rem;flex-wrap:wrap;}
.row>*{flex:1;min-width:0;}
.grid{display:grid;gap:.55rem;}

/* Selectable options & slots */
.opt{
  border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.8rem .9rem;cursor:pointer;
  background:var(--surface);display:flex;justify-content:space-between;gap:.5rem;align-items:center;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease-spring),box-shadow .2s var(--ease);
  margin-bottom:.4rem;
}
.opt:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--border));transform:translateY(-1px);box-shadow:var(--shadow);}
.opt.sel{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface));box-shadow:var(--ring);}
.opt .price{font-weight:700;color:var(--accent);}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:.5rem;}
.slot{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.6rem;text-align:center;cursor:pointer;font-size:.85rem;font-weight:600;background:var(--surface);transition:.2s var(--ease-spring);}
.slot:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px) scale(1.03);}
.slot.sel{border-color:var(--accent);background:var(--accent);color:#fff;transform:scale(1.04);box-shadow:0 6px 18px -4px color-mix(in srgb,var(--accent) 55%,transparent);}
.slot.hide{display:none;}

/* Status / feedback */
.status{font-size:.86rem;margin-top:.6rem;min-height:1.1em;}
.status.err{color:var(--err);} .status.ok{color:var(--ok);}

/* Tabs (pill style) — segmented control */
.tabbar{
  display:flex;gap:.25rem;margin-bottom:1.2rem;flex-wrap:wrap;
  background:var(--surface2);border:1px solid var(--border);padding:.3rem;border-radius:999px;
}
.tab{padding:.5rem 1rem;cursor:pointer;border-radius:999px;font-weight:600;color:var(--ink2);transition:.25s var(--ease-spring);font-size:.9rem;}
.tab:hover{color:var(--ink);}
.tab.active{color:#fff;background:var(--accent);box-shadow:0 4px 14px -4px color-mix(in srgb,var(--accent) 55%,transparent);}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:.89rem;}
th,td{text-align:left;padding:.65rem .55rem;border-bottom:1px solid var(--border2);vertical-align:top;}
th{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink3);font-weight:600;}
tbody tr{transition:background .15s var(--ease);}
tbody tr:hover{background:var(--surface2);}

/* Badges & pills */
.badge{display:inline-block;padding:.18rem .62rem;border-radius:20px;font-size:.7rem;font-weight:600;letter-spacing:-.005em;}
.badge.confirmed,.badge.trialing{background:#dbeafe;color:#1e40af;}
.badge.completed,.badge.active{background:var(--okbg);color:var(--ok);}
.badge.cancelled,.badge.suspended,.badge.past_due{background:var(--errbg);color:#991b1b;}
.pill{display:inline-block;font-size:.72rem;background:var(--surface2);border:1px solid var(--border);color:var(--ink2);padding:.18rem .68rem;border-radius:20px;font-weight:500;}

/* Hero (showcase / marketing) */
.hero{position:relative;overflow:hidden;}
.hero .wrap{position:relative;z-index:2;}

/* AirPods-style pairing popup */
.popup-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:saturate(180%) blur(24px);
  -webkit-backdrop-filter:saturate(180%) blur(24px);
  border-radius:24px;
  box-shadow:var(--shadow-lg);
  padding:1.8rem;
  animation:pop .5s var(--ease-spring) both;
}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(10px)}to{opacity:1;transform:none}}

/* Utility */
.hide{display:none!important;}
.adbadge{
  position:fixed;bottom:14px;right:14px;z-index:50;
  background:var(--glass);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border:1px solid var(--glass-border);box-shadow:var(--shadow-lg);border-radius:30px;padding:.42rem .9rem;
  font-size:.78rem;font-weight:700;color:var(--ink2);text-decoration:none;display:inline-flex;gap:.35rem;align-items:center;
  transition:transform .25s var(--ease-spring);
}
.adbadge:hover{color:var(--accent);text-decoration:none;transform:translateY(-2px);}
.spin{display:inline-block;width:15px;height:15px;border:2px solid color-mix(in srgb,var(--accent) 30%,transparent);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px;}
@keyframes sp{to{transform:rotate(360deg)}}
.card,.btn,.opt,.slot{animation:fade .5s var(--ease) both;}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* Scroll-reveal — opt-in via .reveal (auto-wired by app.js initReveal()).
   Initial hidden state is only applied by JS (.reveal-init), so if JS never
   runs the content stays fully visible — no blank pages. */
.reveal{transition:opacity .85s var(--ease),transform .85s var(--ease);}
.reveal.reveal-init{opacity:0;transform:translateY(22px);}
.reveal.reveal-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal,.reveal.reveal-init{opacity:1!important;transform:none!important;transition:none;}}

@media(max-width:600px){
  h1{font-size:1.7rem;} .wrap{padding:1rem;} .card{padding:1.2rem;border-radius:16px;}
}