/* Shared design system for the private app (hub, journal, capture, tonight). */
/* Calm, minimal: near-black, hairline surfaces, one accent. SF + JetBrains Mono. */
:root{
  --bg:#0a0a0c; --surface:#131317; --surface-2:#17171c;
  --ink:#f4f4f6; --ink-2:#9a9ba3; --ink-3:#66676f;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.12);
  --accent:#7d9cff; --accent-2:#a9c0ff; --good:#63d68a; --warn:#f2b070; --bad:#e58585;
  --radius:20px; --ease:cubic-bezier(.22,1,.36,1);
  --sf:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sf);font-size:17px;line-height:1.55;
  letter-spacing:-.011em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  min-height:100vh;position:relative;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#0a1026}
.mono{font-family:var(--mono)}

/* one soft glow up top, nothing else — no grain, no muddy aurora */
.aurora{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(70% 42% at 50% -8%, rgba(125,156,255,.14), transparent 70%)}
.grain{display:none}

.wrap{max-width:640px;margin:0 auto;
  padding:calc(30px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right)) 36px calc(20px + env(safe-area-inset-left))}

/* flat card surface */
.glass{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}

/* top bar with back button */
.top{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.back{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);flex-shrink:0;transition:.16s var(--ease)}
.back:hover{color:var(--ink);border-color:var(--line-2);background:var(--surface-2)}
.back svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.top .title{font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:-.01em}
.top .sub{color:var(--ink-3);font-size:12.5px;margin-left:auto;font-family:var(--mono)}

h1{font-size:clamp(28px,5vw,36px);font-weight:600;line-height:1.15;letter-spacing:-.03em}
h2{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sf);
  font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;padding:12px 18px;border-radius:13px;
  background:var(--surface-2);border:1px solid var(--line-2);transition:.16s var(--ease);-webkit-tap-highlight-color:transparent}
.btn:hover{border-color:rgba(255,255,255,.22);background:#1d1d23}
.btn:active{transform:scale(.98)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn.primary{color:#0b1020;background:var(--accent);border:none}
.btn.primary:hover{background:var(--accent-2)}
.btn.primary svg{stroke:#0b1020}
.btn.wide{width:100%}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.4;pointer-events:none}

textarea,input[type=text]{width:100%;font-family:var(--sf);font-size:16px;color:var(--ink);
  background:var(--bg);border:1px solid var(--line-2);border-radius:13px;padding:14px 15px;resize:none;line-height:1.5}
textarea::placeholder,input::placeholder{color:var(--ink-3)}
textarea:focus,input:focus{outline:none;border-color:var(--accent)}

.rise{opacity:0;transform:translateY(10px);animation:rise .55s var(--ease) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.11s}.d3{animation-delay:.17s}.d4{animation-delay:.23s}.d5{animation-delay:.29s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rise{opacity:1;transform:none}}
@media(max-width:520px){.wrap{padding:calc(26px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 24px calc(16px + env(safe-area-inset-left))}}