:root {
  --color-stone-canvas: #f4f6f8;
  --color-pure-white: #ffffff;
  --color-stone-border: #d5dce3;
  --color-stone-muted: #e8eef4;
  --color-ash-gray: #6b7a8d;
  --color-warm-gray: #5a6b7d;
  --color-ink-black: #1a2332;
  --color-soot: #0f2744;
  --color-navy-deep: #0a1c33;
  --color-cyan-edge: #1b4f72;
  --color-sky-wash: #e8eef4;
  --color-status-ok: #1b7a3d;
  --color-status-ok-bg: #e4f4ea;
  --color-status-err: #c9372c;
  --color-status-err-bg: #fdecec;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --motion: 250ms ease-in-out;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--color-stone-canvas); color: var(--color-ink-black); font-family: var(--font-sans); font-size: 14px; line-height: 1.5; }
a { color: var(--color-cyan-edge); text-decoration: none; }
a:hover { color: var(--color-ink-black); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; color: var(--color-soot); letter-spacing: -0.02em; line-height: 1.19; }
img { max-width: 100%; }

.ui-page-title { font-family: var(--font-display); font-size: 32px; font-weight: 700; line-height: 1.19; letter-spacing: -0.02em; color: var(--color-soot); margin: 0; }
.ui-card { background: var(--color-pure-white); border: 1px solid var(--color-stone-border); border-radius: 8px; padding: 24px; box-shadow: 0 1px 2px rgba(15, 39, 68, 0.06); }
.ui-card:hover { border-color: var(--color-cyan-edge); }
.ui-input, select.ui-input, textarea.ui-input {
  width: 100%; border: 1px solid var(--color-stone-border); border-radius: 3px; background: var(--color-pure-white);
  color: var(--color-ink-black); padding: 8px 12px; font-size: 14px; font-family: inherit;
}
textarea.ui-input { min-height: 120px; font-family: ui-monospace, monospace; font-size: 12px; }
.ui-input:focus { outline: none; border-color: var(--color-cyan-edge); box-shadow: 0 0 0 2px rgba(27, 79, 114, 0.25); }
label { display: block; margin: 14px 0 6px; color: var(--color-warm-gray); font-size: 12px; }
.ui-btn-primary, .ui-btn-ghost, .ui-btn-danger, .ui-btn-accent {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px;
  border-radius: 3px; padding: 8px 16px; font-size: 14px; font-family: inherit; cursor: pointer; text-decoration: none;
  transition: background var(--motion);
}
.ui-btn-primary { border: 1px solid var(--color-soot); background: var(--color-soot); color: #fff; font-weight: 500; }
.ui-btn-primary:hover { background: var(--color-navy-deep); border-color: var(--color-navy-deep); color: #fff; }
.ui-btn-ghost { border: 1px solid var(--color-stone-border); background: transparent; color: var(--color-soot); }
.ui-btn-ghost:hover { background: var(--color-sky-wash); border-color: var(--color-cyan-edge); color: var(--color-soot); }
.ui-btn-danger { border: 1px solid var(--color-status-err); background: var(--color-status-err); color: #fff; font-weight: 500; }
.ui-btn-danger:hover { background: #a82e25; color: #fff; }
.ui-btn-accent { border: 1px solid var(--color-cyan-edge); background: var(--color-cyan-edge); color: #fff; font-weight: 500; }
.ui-btn-accent:hover { background: #163f5c; color: #fff; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.msg { margin: 0 0 16px; padding: 10px 12px; border-radius: 3px; background: var(--color-sky-wash); }
.msg-err { margin-top: 16px; padding: 10px 12px; border-radius: 3px; background: var(--color-status-err-bg); color: var(--color-status-err); }
.msg-ok { background: var(--color-status-ok-bg); color: var(--color-status-ok); }
.banner { border-bottom: 1px solid var(--color-stone-border); background: var(--color-sky-wash); padding: 8px 24px; font-size: 14px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--color-stone-border); background: rgba(255,255,255,.95); backdrop-filter: blur(8px); }
.site-header .bar, .wrap, .hero, .section { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.site-header .bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.nav-links { display: flex; gap: 24px; color: var(--color-warm-gray); }
.nav-links a { color: var(--color-warm-gray); }
.brand-link, .brand { display: inline-flex; align-items: center; gap: 8px; color: var(--color-soot); font-family: var(--font-display); font-weight: 700; }
.hero { padding: 72px 16px 32px; }
.hero h1 { font-size: 48px; max-width: 16ch; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--color-warm-gray); max-width: 46ch; }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.grid-3, .grid-2 { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.section { padding: 28px 16px 8px; }
.section h2 { font-size: 28px; }
.kicker { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--color-warm-gray); margin: 0; }
.price { font-family: var(--font-display); font-size: 28px; color: var(--color-soot); margin: 8px 0; }
.price s { font-size: 16px; color: var(--color-ash-gray); margin-right: 8px; }
.muted { color: var(--color-warm-gray); }
.site-footer { margin-top: 48px; border-top: 1px solid var(--color-stone-border); padding: 24px 16px 40px; color: var(--color-warm-gray); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: min(440px, 100%); }
.auth-card .ui-btn-primary { width: 100%; margin-top: 20px; }
.sub { color: var(--color-warm-gray); margin: 8px 0 0; }

.app { display: flex; min-height: 100vh; }
.side { width: 256px; background: var(--color-soot); color: #fff; padding: 16px; display: flex; flex-direction: column; flex-shrink: 0; }
.side .brand { color: #fff; margin-bottom: 24px; }
.side .brand span, .side nav a span { white-space: nowrap; }
.side-label { font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.5); margin: 0 0 4px; }
.side nav { display: flex; flex-direction: column; gap: 4px; }
.side nav a { display: flex; align-items: center; height: 36px; padding: 0 12px; border-radius: 3px; color: rgba(255,255,255,.7); }
.side nav a.active, .side nav a:hover { background: var(--color-cyan-edge); color: #fff; }
.side nav a:hover { background: rgba(255,255,255,.08); }
.side nav a.active:hover { background: var(--color-cyan-edge); }
.maincol { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.top { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 24px; background: #fff; border-bottom: 1px solid var(--color-stone-border); }
.top .who { text-align: right; }
.top .who strong { display: block; color: var(--color-soot); }
.fold { width: 36px; height: 36px; border: 0; border-radius: 3px; background: transparent; color: var(--color-soot); cursor: pointer; }
.fold:hover { background: var(--color-sky-wash); }
.content { width: min(1280px, 100%); margin: 0 auto; padding: 24px; flex: 1; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 16px 0 24px; }
.stat b { display: block; font-family: var(--font-display); font-size: 28px; color: var(--color-soot); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-stone-border); vertical-align: top; }
th { color: var(--color-warm-gray); font-weight: 500; font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; margin-top: 8px; }
.check { display: flex; gap: 8px; align-items: flex-start; color: var(--color-ink-black); margin: 0; }
.check input { margin-top: 3px; }
.grupo { margin-top: 18px; }
.soon { color: var(--color-ash-gray); }
body.folded .side { width: 72px; padding-left: 8px; padding-right: 8px; }
body.folded .side .brand span, body.folded .side nav a span, body.folded .side-label { display: none; }
body.folded .side nav a { justify-content: center; padding: 0; }

@media (max-width: 900px) {
  .grid-3, .grid-2, .stats, .checks { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 36px; }
  .side { position: fixed; z-index: 30; inset: 0 auto 0 0; }
  body.folded .side { transform: translateX(-100%); width: 256px; }
  .content, .top { padding-left: 16px; padding-right: 16px; }
}