/* CleanPlan design system -- plain CSS, no build step. */

:root {
  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --teal-700: #0f766e;
  --teal-900: #134e4a;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-900: #0f172a;
  --amber-100: #fef3c7;
  --amber-700: #92400e;
  --blue-100: #dbeafe;
  --blue-700: #1d4ed8;
  --green-100: #dcfce7;
  --green-700: #15803d;
  --red-100: #fee2e2;
  --red-700: #b91c1c;
  --radius: 0.6rem;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.05);
}

* { box-sizing: border-box; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  margin: 0;
  color: var(--slate-900);
  background: var(--slate-50);
  line-height: 1.5;
}

a { color: var(--teal-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Header / nav ---- */

header.site-header {
  background: #fff;
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--slate-900);
}

.brand:hover { text-decoration: none; }

.brand .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
  color: #fff;
  font-size: 0.95rem;
}

nav.site-nav { display: flex; align-items: center; gap: 1.25rem; }
nav.site-nav a { color: var(--slate-600); font-weight: 500; font-size: 0.95rem; }
nav.site-nav a:hover { color: var(--teal-700); text-decoration: none; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--slate-600);
}

.nav-toggle-input { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 1.4rem;
  height: 1rem;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; border-radius: 1px; background: var(--slate-700); }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 0.45rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--teal-600); color: #fff; }
.btn-primary:hover { background: var(--teal-700); }

.btn-outline { background: #fff; color: var(--slate-700); border-color: var(--slate-300); }
.btn-outline:hover { border-color: var(--teal-600); color: var(--teal-700); }

.btn-ghost { background: transparent; color: var(--slate-600); border-color: transparent; }
.btn-ghost:hover { background: var(--slate-100); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.85rem; }

/* ---- Layout helpers ---- */

.page { padding: 2.5rem 0 4rem; }
.page-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 0.5rem; }
.page-header h1 { margin: 0; }
.breadcrumb { font-size: 0.9rem; color: var(--slate-500); margin-bottom: 1rem; }

h1 { font-size: 1.6rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; color: var(--slate-800, var(--slate-700)); margin: 2rem 0 0.75rem; }
p.lead { color: var(--slate-600); }

/* ---- Cards ---- */

.card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.card + .card { margin-top: 1rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 1.5rem 0; }

.stat-card { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem 1.5rem; }
.stat-card .stat-value { font-size: 1.8rem; font-weight: 700; color: var(--teal-700); }
.stat-card .stat-label { color: var(--slate-500); font-size: 0.9rem; }

.link-card { display: block; background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem 1.5rem; color: inherit; }
.link-card:hover { border-color: var(--teal-500); text-decoration: none; }
.link-card .link-card-title { font-weight: 600; color: var(--slate-900); margin-bottom: 0.25rem; }
.link-card .link-card-desc { color: var(--slate-500); font-size: 0.9rem; }

/* ---- Tables ---- */

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1rem 0; }
.table-scroll table { margin: 0; }

table { border-collapse: collapse; width: 100%; margin: 1rem 0; background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--slate-200); }
th { background: var(--slate-50); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--slate-500); font-weight: 600; }
tbody tr:hover { background: var(--teal-50); }
tbody tr:last-child td { border-bottom: none; }
.totals td { font-weight: 700; border-top: 2px solid var(--slate-300); background: var(--slate-50); }

/* ---- Status badges ---- */

.status {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--slate-100);
  color: var(--slate-600);
  text-transform: capitalize;
}
.status-draft { background: var(--slate-100); color: var(--slate-600); }
.status-sent { background: var(--blue-100); color: var(--blue-700); }
.status-paid { background: var(--green-100); color: var(--green-700); }
.status-scheduled { background: var(--amber-100); color: var(--amber-700); }
.status-completed { background: var(--green-100); color: var(--green-700); }

/* ---- Forms ---- */

.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--slate-700); margin-bottom: 0.35rem; }
.form-group input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--slate-300);
  border-radius: 0.4rem;
  font-size: 0.95rem;
  font-family: inherit;
}
.form-group input:focus { outline: none; border-color: var(--teal-500); box-shadow: 0 0 0 3px var(--teal-100); }

.alert { padding: 0.7rem 1rem; border-radius: 0.45rem; font-size: 0.9rem; margin-bottom: 1rem; }
.alert-error { background: var(--red-100); color: var(--red-700); }

.hint { font-size: 0.85rem; color: var(--slate-500); }
.divider { display: flex; align-items: center; gap: 0.75rem; color: var(--slate-400); font-size: 0.8rem; margin: 1.25rem 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--slate-200); }

/* ---- Landing page ---- */

.hero { padding: 4.5rem 0 3.5rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: start; }
.hero .eyebrow { display: inline-block; background: var(--teal-100); color: var(--teal-700); font-weight: 600; font-size: 0.8rem; padding: 0.3rem 0.7rem; border-radius: 999px; margin-bottom: 1rem; }
.hero h1 { font-size: 2.4rem; line-height: 1.15; margin-bottom: 1rem; }
.hero p.lead { font-size: 1.1rem; max-width: 46ch; margin-bottom: 1.75rem; }
.hero .cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; margin: 3rem 0; }
.feature { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 1.5rem; }
.feature .feature-icon { font-size: 1.4rem; margin-bottom: 0.6rem; }
.feature h3 { margin: 0 0 0.4rem; font-size: 1.02rem; }
.feature p { margin: 0; color: var(--slate-600); font-size: 0.92rem; }

.section-title { text-align: center; font-size: 1.5rem; margin-bottom: 0.5rem; }
.section-subtitle { text-align: center; color: var(--slate-500); max-width: 50ch; margin: 0 auto; }

footer.site-footer { border-top: 1px solid var(--slate-200); padding: 2rem 0; color: var(--slate-500); font-size: 0.85rem; text-align: center; }

/* ---- Auth pages ---- */

.auth-shell { min-height: calc(100vh - 4rem); display: flex; align-items: center; justify-content: center; padding: 3rem 1rem; }
.auth-card { width: 100%; max-width: 400px; background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem; }
.auth-card h1 { font-size: 1.4rem; text-align: center; }
.auth-card p.lead { text-align: center; font-size: 0.92rem; margin-bottom: 1.5rem; }
.demo-box { background: var(--teal-50); border: 1px dashed var(--teal-500); border-radius: 0.45rem; padding: 0.75rem 1rem; font-size: 0.85rem; color: var(--teal-900); margin-top: 1.25rem; }
.demo-box code { background: rgba(15, 118, 110, 0.08); padding: 0.1rem 0.3rem; border-radius: 0.25rem; }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 2rem; }

  .container { padding: 0 1.25rem; }
  .page { padding: 1.75rem 0 3rem; }

  .site-header .container { flex-wrap: wrap; }
  .nav-toggle { display: flex; }
  nav.site-nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    padding: 1rem 0 1.25rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--slate-200);
  }
  .nav-toggle-input:checked ~ nav.site-nav { display: flex; }
  .user-chip { flex-direction: column; align-items: flex-start; gap: 0.5rem; }

  .page-header { flex-direction: column; align-items: flex-start; }
  .page-header h1 { font-size: 1.35rem; }

  .card, .stat-card, .link-card, .feature { padding: 1.1rem; }
  .auth-card { padding: 1.5rem; }

  th, td { padding: 0.55rem 0.7rem; font-size: 0.88rem; }

  .hero h1 { font-size: 1.9rem; }
  .hero p.lead { font-size: 1rem; }
  .cta-row .btn { flex: 1 1 auto; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.1rem; }
  .hero h1 { font-size: 1.6rem; }
  .auth-shell { padding: 2rem 0.75rem; }
  .auth-card { padding: 1.25rem; }
}