/* SmartFusionLife — Global Design System */
/* Mobile-first, Inter font, clean blue palette */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:      #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light:#EFF6FF;
  --green:     #16A34A;
  --green-bg:  #F0FDF4;
  --amber:     #D97706;
  --amber-bg:  #FFFBEB;
  --red:       #DC2626;
  --red-bg:    #FEF2F2;
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white:     #FFFFFF;
  --radius:    10px;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Typography ── */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; color: var(--slate-900); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; color: var(--slate-900); }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; color: var(--slate-800); }
p  { color: var(--slate-700); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius); border: none; cursor: pointer;
  font-family: inherit; font-size: 15px; font-weight: 600; line-height: 1;
  text-decoration: none; transition: all .15s ease; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.35); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--white); color: var(--blue); border: 1.5px solid var(--blue); }
.btn-secondary:hover { background: var(--blue-light); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: #15803d; }
.btn-ghost { background: transparent; color: var(--slate-700); border: 1.5px solid var(--slate-200); }
.btn-ghost:hover { background: var(--slate-100); }
.btn-lg { padding: 18px 36px; font-size: 16px; border-radius: 12px; }
.btn-full { width: 100%; display: flex; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ── Cards ── */
.card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: 14px; padding: 24px; box-shadow: var(--shadow);
}

/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center; padding: 3px 9px;
  border-radius: 99px; font-size: 12px; font-weight: 600;
}
.badge-blue   { background: var(--blue-light); color: var(--blue); }
.badge-green  { background: var(--green-bg); color: var(--green); }
.badge-amber  { background: var(--amber-bg); color: var(--amber); }
.badge-red    { background: var(--red-bg); color: var(--red); }
.badge-count  { background: var(--red); color: var(--white); min-width: 20px; height: 20px; font-size: 11px; padding: 0 6px; }

/* ── Stars ── */
.stars { display: inline-flex; gap: 2px; }
.star { font-size: 15px; }
.star.filled { color: #F59E0B; }
.star.empty  { color: var(--slate-300); }

/* ── Forms ── */
input[type="text"], input[type="email"], input[type="password"], textarea, select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--slate-200);
  border-radius: var(--radius); font-family: inherit; font-size: 15px; color: var(--slate-800);
  background: var(--white); transition: border-color .15s;
  appearance: none; -webkit-appearance: none;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
label { font-size: 14px; font-weight: 500; color: var(--slate-700); display: block; margin-bottom: 6px; }
.form-group { margin-bottom: 18px; }

/* ── Toast notifications ── */
.toast-container { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 8px; width: calc(100% - 48px); max-width: 380px; }
.toast {
  display: flex; align-items: center; gap: 12px;
  background: var(--slate-900); color: var(--white);
  padding: 14px 18px; border-radius: 12px; font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-md); animation: slideUp .25s ease;
}
.toast.success { background: #064e3b; }
.toast.error   { background: #7f1d1d; }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Loading spinner ── */
.spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite;
  display: inline-block;
}
.spinner.dark { border-color: rgba(37,99,235,.2); border-top-color: var(--blue); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utility ── */
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.text-muted { color: var(--slate-500); }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-6 { margin-top: 40px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 24px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Divider ── */
.divider { height: 1px; background: var(--slate-200); margin: 24px 0; }

/* ── Section spacing ── */
.section { padding: 72px 24px; }
.container { max-width: 1080px; margin: 0 auto; }
.container-sm { max-width: 640px; margin: 0 auto; }

/* ── Responsive ── */
@media (min-width: 768px) {
  .section { padding: 96px 48px; }
}