/* ============================================================
   GuaxyLoop design system (from design.md - Material 3, pt-BR)
   ============================================================ */
:root {
  /* Colors */
  --surface: #f8f9fa;
  --surface-dim: #d9dadb;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --on-surface: #191c1d;
  --on-surface-variant: #414754;
  --outline: #727785;
  --outline-variant: #c1c6d6;
  --primary: #1a73e8;
  --primary-dark: #005bbf;
  --on-primary: #ffffff;
  --primary-fixed: #d8e2ff;
  --secondary: #515f74;
  --secondary-container: #d5e3fc;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --success: #1e8e3e;
  --success-container: #d7f2df;

  /* Shape */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 28px;

  /* Spacing (8dp grid) */
  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px; --sp-xl: 32px;

  --shadow-soft: 0 8px 24px rgba(26, 115, 232, 0.12);
  --font-head: 'Hanken Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.3px;
  color: var(--on-surface);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; }

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

img { max-width: 100%; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--sp-md); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--sp-sm);
  min-height: 48px; padding: 12px 24px;
  border-radius: var(--r-sm);
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  letter-spacing: 0.1px; cursor: pointer; border: none;
  transition: filter .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { filter: brightness(1.06); box-shadow: var(--shadow-soft); }
.btn-outline {
  background: transparent; color: var(--secondary);
  border: 1px solid var(--outline-variant);
}
.btn-outline:hover { background: var(--surface-container-low); }
.btn-lg { min-height: 56px; padding: 16px 32px; font-size: 16px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* Cards */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--surface-container);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
}

/* Inputs (M3 filled style) */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--sp-md); }
.field label {
  font-size: 12px; font-weight: 500; letter-spacing: .5px;
  color: var(--on-surface-variant);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 15px;
  background: var(--surface);
  border: none; border-bottom: 2px solid var(--outline-variant);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  padding: 12px 14px; color: var(--on-surface);
  outline: none; transition: border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-bottom-color: var(--primary);
}

/* Utility */
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .4px;
}
.badge-blue { background: var(--primary-fixed); color: var(--primary-dark); }
.badge-green { background: var(--success-container); color: var(--success); }
.badge-red { background: var(--error-container); color: var(--error); }
.badge-gray { background: var(--surface-container-high); color: var(--on-surface-variant); }

.text-muted { color: var(--on-surface-variant); }
.hidden { display: none !important; }