:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --text-muted: #6b7280;
  --text-faint: #9ca3af;

  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;

  --accent: #f59e0b;

  --success: #067647;
  --success-bg: #ecfdf3;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --neutral-bg: #f3f4f6;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { margin: 0 0 0.5rem 0; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.15rem; }
p { margin: 0 0 1rem 0; color: var(--text-muted); }

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

/* --- Top nav (shared) --- */
.topnav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topnav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 17px; height: 17px; }
.nav-right { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.nav-business {
  color: var(--text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.nav-right .btn { flex-shrink: 0; white-space: nowrap; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--neutral-bg); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* --- Forms --- */
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--text); }
input[type="text"], input[type="email"], input[type="password"], input[type="tel"], select, textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.field { margin-bottom: 1rem; }

.char-count { font-size: 0.78rem; color: var(--text-faint); margin-top: 0.4rem; }
.char-count-warn { color: var(--accent); }

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 1.5rem; }

/* --- Auth shell (login page) --- */
.auth-shell {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.auth-card { width: 100%; max-width: 380px; }
.auth-logo { display: flex; justify-content: center; margin-bottom: 1.5rem; }
.auth-card h1 { text-align: center; font-size: 1.3rem; margin-bottom: 0.25rem; }
.auth-subtitle { text-align: center; margin-bottom: 1.5rem; font-size: 0.9rem; }
.alert {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  background: var(--danger-bg);
  color: var(--danger);
}
.alert-success { background: var(--success-bg); color: var(--success); }
.demo-hint {
  margin-top: 1.25rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--neutral-bg);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.demo-hint code { background: #fff; padding: 0.1rem 0.35rem; border-radius: 4px; border: 1px solid var(--border); }

/* --- Dashboard layout --- */
.page { padding: 2rem 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 p { margin: 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.35rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; color: var(--text); }
.stat-sub { font-size: 0.78rem; color: var(--text-faint); margin-top: 0.15rem; }

.section { margin-bottom: 2.5rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: 0.75rem; }

.filter-bar {
  display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: flex-end;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; margin-bottom: 1rem;
}
.filter-bar .field { margin-bottom: 0; min-width: 160px; flex: 1; }
.filter-bar .field.grow { flex: 2; min-width: 200px; }

/* --- Tables --- */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 0.75rem 1rem; font-size: 0.85rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: var(--neutral-bg); color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafafa; }
td.wrap { white-space: normal; }
.empty-row td { color: var(--text-faint); text-align: center; padding: 2rem 1rem; white-space: normal; }

/* --- Badges --- */
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.72rem; font-weight: 600; }
.badge-missed { background: var(--danger-bg); color: var(--danger); }
.badge-answered { background: var(--success-bg); color: var(--success); }
.badge-sent, .badge-delivered { background: var(--success-bg); color: var(--success); }
.badge-failed, .badge-undelivered { background: var(--danger-bg); color: var(--danger); }
.badge-pending { background: var(--neutral-bg); color: var(--text-muted); }

/* --- Add job inline form --- */
.inline-form { display: flex; gap: 0.6rem; }
.inline-form input { flex: 1; }

/* --- Call reply thread --- */
.thread { margin-bottom: 0.5rem; }
.thread-msg { margin-bottom: 0.3rem; }
.reply-form { display: flex; gap: 0.4rem; min-width: 260px; }
.reply-form input { flex: 1; padding: 0.35rem 0.6rem; font-size: 0.82rem; }

/* ==================== Landing page ==================== */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 { font-size: 2.6rem; max-width: 720px; margin: 0 auto 1rem; line-height: 1.15; }
.hero .lede { font-size: 1.15rem; max-width: 560px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; }
.hero-actions .btn { padding: 0.75rem 1.5rem; font-size: 0.95rem; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}
.step-card { padding: 1.5rem; }
.step-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; margin-bottom: 0.9rem;
}
.step-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.step-card p { margin: 0; font-size: 0.88rem; }

.section-title { text-align: center; margin-bottom: 0.4rem; }
.section-subtitle { text-align: center; max-width: 480px; margin: 0 auto 2.5rem; }

.example-sms {
  max-width: 360px;
  margin: 0 auto 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
  text-align: left;
}
.example-sms .from { font-size: 0.75rem; color: var(--text-faint); margin-bottom: 0.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.example-sms .bubble {
  background: var(--primary-light);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0 3rem;
}
.plan-card { padding: 1.75rem; position: relative; }
.plan-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), var(--shadow-md); }
.plan-featured-tag {
  position: absolute; top: -0.65rem; left: 1.5rem;
  background: var(--primary); color: #fff;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  padding: 0.2rem 0.6rem; border-radius: 999px;
}
.plan-card h3 { font-size: 1.05rem; }
.plan-card .plan-tagline { font-size: 0.85rem; margin-bottom: 1rem; }
.plan-features { list-style: none; padding: 0; margin: 0; }
.plan-features li { font-size: 0.85rem; color: var(--text); padding: 0.4rem 0; border-bottom: 1px solid var(--border); }
.plan-features li:last-child { border-bottom: none; }

.cta-band {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--primary);
  border-radius: var(--radius-lg);
  color: #fff;
  margin: 3rem 0;
}
.cta-band h2 { color: #fff; font-size: 1.5rem; }
.cta-band p { color: rgba(255,255,255,0.85); }
.cta-band .btn-primary { background: #fff; color: var(--primary); }
.cta-band .btn-primary:hover { background: #f3f4f6; }

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }

  .container { padding: 0 1rem; }
  .topnav-inner { padding: 0 1rem; }
  .brand { font-size: 0.95rem; }
  .nav-business { max-width: 110px; font-size: 0.8rem; }

  .inline-form { flex-direction: column; align-items: stretch; }
  .inline-form button { width: 100%; }

  .reply-form { min-width: 0; width: 100%; }
}