/* DDS Gerador — design tokens e estilos globais */

:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f5fbf6;
  --color-surface: #ffffff;
  --color-surface-alt: #f0fdf4;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-text: #0f172a;
  --color-text-soft: #475569;
  --color-text-muted: #64748b;

  --color-brand-50: #f0fdf4;
  --color-brand-100: #dcfce7;
  --color-brand-200: #bbf7d0;
  --color-brand-300: #86efac;
  --color-brand-400: #4ade80;
  --color-brand-500: #22c55e;
  --color-brand-600: #16a34a;
  --color-brand-700: #15803d;
  --color-brand-800: #166534;
  --color-brand-900: #14532d;

  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px -8px rgba(20, 83, 45, 0.18);
  --shadow-lg: 0 24px 48px -16px rgba(20, 83, 45, 0.22);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-md: 17px;
  --text-lg: 20px;
  --text-xl: clamp(22px, 1.2rem + 0.6vw, 26px);
  --text-2xl: clamp(28px, 1.5rem + 1vw, 36px);
  --text-3xl: clamp(36px, 2rem + 2vw, 56px);

  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --container: 1180px;
}

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

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--color-brand-700); text-decoration: none; }
a:hover { color: var(--color-brand-800); }

button { font-family: inherit; cursor: pointer; }

img, svg { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ===== Topbar ===== */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: var(--space-3);
  font-weight: 700; color: var(--color-brand-900);
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 40px; height: 40px;
  background: var(--color-brand-600);
  color: #fff;
  display: grid; place-items: center;
  border-radius: 12px;
  font-weight: 800; font-size: 14px; letter-spacing: 0.5px;
  box-shadow: 0 6px 16px -8px rgba(22, 163, 74, 0.6);
}
.brand__text { font-size: var(--text-md); }
.brand__text small {
  display: block; font-weight: 500; font-size: 11px;
  color: var(--color-text-muted); letter-spacing: 0.04em; text-transform: uppercase;
}
.topbar__user {
  display: flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-sm); color: var(--color-text-soft);
}
.topbar__user .email {
  background: var(--color-brand-50);
  border: 1px solid var(--color-brand-100);
  padding: 6px 12px; border-radius: var(--radius-pill);
  color: var(--color-brand-800); font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600; font-size: var(--text-sm);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--color-brand-600); color: #fff;
  box-shadow: 0 8px 22px -10px rgba(22, 163, 74, 0.65);
}
.btn--primary:hover { background: var(--color-brand-700); box-shadow: 0 12px 28px -12px rgba(20, 83, 45, 0.55); }
.btn--ghost {
  background: transparent; color: var(--color-text-soft);
  border-color: var(--color-border);
}
.btn--ghost:hover { color: var(--color-brand-800); border-color: var(--color-brand-300); background: var(--color-brand-50); }
.btn--lg { padding: 14px 26px; font-size: var(--text-base); border-radius: var(--radius-md); }
.btn--block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ===== Auth ===== */
.auth {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  background:
    radial-gradient(ellipse at top right, var(--color-brand-100), transparent 60%),
    radial-gradient(ellipse at bottom left, #ecfdf5, transparent 55%);
}
.auth__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-7);
  padding: var(--space-7) var(--space-5);
  max-width: var(--container); margin: 0 auto;
}
.auth__pitch h1 {
  font-size: var(--text-3xl);
  line-height: 1.04; letter-spacing: -0.02em;
  color: var(--color-brand-900);
  margin: 0 0 var(--space-4);
}
.auth__pitch h1 em { font-style: normal; color: var(--color-brand-600); }
.auth__pitch p { font-size: var(--text-md); color: var(--color-text-soft); max-width: 50ch; }
.auth__points { list-style: none; padding: 0; margin: var(--space-6) 0 0; display: grid; gap: var(--space-3); }
.auth__points li {
  display: flex; gap: var(--space-3); align-items: flex-start;
  font-size: var(--text-sm); color: var(--color-text-soft);
}
.auth__points li::before {
  content: ""; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-brand-100);
  background-image: linear-gradient(135deg, var(--color-brand-100), var(--color-brand-200));
  margin-top: 2px;
  position: relative;
}
.auth__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-lg);
}
.auth__card h2 {
  font-size: var(--text-xl); margin: 0 0 var(--space-2);
  color: var(--color-brand-900);
}
.auth__card .subtitle {
  color: var(--color-text-muted); margin-bottom: var(--space-5); font-size: var(--text-sm);
}
.field { margin-bottom: var(--space-4); }
.field label {
  display: block; font-size: var(--text-sm); font-weight: 600;
  margin-bottom: 6px; color: var(--color-text);
}
.field input {
  width: 100%; padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  background: #fff;
}
.field input:focus {
  outline: none;
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
}
.field--code input {
  letter-spacing: 0.5em;
  text-align: center;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 22px;
}
.notice {
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.notice--ok { background: var(--color-brand-50); color: var(--color-brand-800); border: 1px solid var(--color-brand-200); }
.notice--err { background: var(--color-danger-soft); color: var(--color-danger); border: 1px solid #fecaca; }
.muted { color: var(--color-text-muted); font-size: var(--text-xs); }
.link-btn {
  background: none; border: none; padding: 0;
  color: var(--color-brand-700); font-weight: 600; font-size: var(--text-sm);
  cursor: pointer;
}
.link-btn:hover { color: var(--color-brand-800); text-decoration: underline; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-brand-50) 100%);
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.hero__inner { display: grid; gap: var(--space-5); }
.hero h1 {
  font-size: var(--text-3xl);
  line-height: 1.05; letter-spacing: -0.02em;
  color: var(--color-brand-900); margin: 0;
}
.hero h1 em { font-style: normal; color: var(--color-brand-600); }
.hero p { color: var(--color-text-soft); margin: 0; max-width: 60ch; font-size: var(--text-md); }

.search {
  display: flex; align-items: center; gap: var(--space-3);
  background: #fff;
  padding: 6px 6px 6px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  max-width: 640px;
  transition: box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.search:focus-within {
  border-color: var(--color-brand-400);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15), var(--shadow-md);
}
.search svg { color: var(--color-text-muted); flex-shrink: 0; }
.search input {
  flex: 1; border: 0; outline: 0; padding: 12px 0;
  font-size: var(--text-base); background: transparent;
  color: var(--color-text);
}

.chips {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font-size: var(--text-sm); font-weight: 500;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.chip:hover { color: var(--color-brand-800); border-color: var(--color-brand-300); background: var(--color-brand-50); }
.chip--active {
  background: var(--color-brand-600); color: #fff; border-color: var(--color-brand-600);
}
.chip__count { font-size: 11px; opacity: 0.75; }

/* ===== Themes grid ===== */
.themes-section { padding: var(--space-6) 0 var(--space-8); }
.themes-section__head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: var(--space-5);
}
.themes-section h2 {
  font-size: var(--text-lg); margin: 0;
  color: var(--color-brand-900); letter-spacing: -0.01em;
}
.themes-section .count { color: var(--color-text-muted); font-size: var(--text-sm); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-3);
  position: relative;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%),
                              rgba(34, 197, 94, 0.08), transparent 40%);
  opacity: 0; transition: opacity var(--duration-normal) var(--ease-out);
  pointer-events: none; z-index: -1;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-brand-300);
  box-shadow: var(--shadow-md);
}
.card:hover::before { opacity: 1; }
.card__category {
  display: inline-flex; align-items: center;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-brand-700); align-self: flex-start;
  background: var(--color-brand-50); border: 1px solid var(--color-brand-100);
  padding: 4px 10px; border-radius: var(--radius-pill);
}
.card__title {
  font-size: var(--text-md); font-weight: 700; color: var(--color-brand-900);
  margin: 0; line-height: 1.3;
}
.card__summary {
  font-size: var(--text-sm); color: var(--color-text-soft);
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: auto; padding-top: var(--space-3); border-top: 1px dashed var(--color-border);
  font-size: var(--text-xs); color: var(--color-text-muted);
}
.card__cta {
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-brand-700);
  display: inline-flex; align-items: center; gap: 4px;
}
.card:hover .card__cta { color: var(--color-brand-800); }

.empty {
  text-align: center; padding: var(--space-8) 0;
  color: var(--color-text-muted);
}
.empty h3 { color: var(--color-text); margin-bottom: var(--space-2); }

/* ===== Detail page ===== */
.detail { padding: var(--space-6) 0 var(--space-8); }
.detail__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-sm); color: var(--color-text-soft);
  margin-bottom: var(--space-5); cursor: pointer;
  background: none; border: none; padding: 0;
}
.detail__back:hover { color: var(--color-brand-700); }

.detail__head {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.detail__head .category {
  display: inline-flex; font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-brand-700);
  background: var(--color-brand-50); border: 1px solid var(--color-brand-100);
  padding: 4px 10px; border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}
.detail__head h1 {
  font-size: clamp(28px, 1.5rem + 1.4vw, 40px);
  line-height: 1.1; letter-spacing: -0.015em;
  color: var(--color-brand-900);
  margin: 0 0 var(--space-3);
}
.detail__head .summary {
  color: var(--color-text-soft);
  font-size: var(--text-md);
  line-height: 1.55;
  font-style: italic;
  border-left: 4px solid var(--color-brand-500);
  padding-left: var(--space-4);
}
.detail__meta {
  background: linear-gradient(180deg, var(--color-brand-50), #fff);
  border: 1px solid var(--color-brand-100);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.detail__meta .row { display: flex; justify-content: space-between; align-items: center; font-size: var(--text-sm); }
.detail__meta .row .label { color: var(--color-text-muted); }
.detail__meta .row .value { color: var(--color-brand-900); font-weight: 600; }

.detail__content {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-sm);
}
.detail__content h2 {
  color: var(--color-brand-900);
  font-size: var(--text-lg); margin: 0 0 var(--space-4);
  display: flex; align-items: center; gap: var(--space-3);
}
.detail__content h2::before {
  content: ""; width: 6px; height: 24px;
  background: var(--color-brand-500); border-radius: 3px;
}
.detail__content .body p {
  font-size: var(--text-md); color: var(--color-text);
  line-height: 1.75; margin: 0 0 var(--space-4);
}
.detail__content .body p:first-of-type::first-letter {
  font-size: 3.4rem; float: left; line-height: 0.9;
  margin: 4px 10px -2px 0; color: var(--color-brand-600); font-weight: 700;
}
.detail__source {
  margin-top: var(--space-6); padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: var(--text-xs);
}

/* ===== Loading ===== */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, #f1f5f9, #e2e8f0, #f1f5f9);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-md);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .auth__inner { grid-template-columns: 1fr; gap: var(--space-6); }
  .detail__head { grid-template-columns: 1fr; }
  .topbar__inner { height: 60px; }
  .brand__text small { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .auth__card { padding: var(--space-5); }
  .detail__content { padding: var(--space-5); }
  .detail__head { padding: var(--space-5); }
  .topbar__user .email { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}