:root {
  --bg: #eef5fc;
  --bg2: #f8fbff;
  --card: rgba(255,255,255,.92);
  --card2: #f4f8fe;
  --text: #10203d;
  --muted: #647694;
  --line: #d9e6f5;
  --primary: #2563eb;
  --primary2: #0ea5e9;
  --danger: #be2f23;
  --dangerBg: #fff3f1;
  --success: #157347;
  --successBg: #eaf8f0;
  --warning: #8f5d00;
  --warningBg: #fff5de;
  --shadow: 0 16px 45px rgba(16,32,61,.10);
  --radius: 24px;
  --max: 1540px;
  --ease: .22s ease;
}

[data-theme="dark"] {
  --bg: #09111f;
  --bg2: #111b2d;
  --card: rgba(18,29,47,.92);
  --card2: #0f192a;
  --text: #edf5ff;
  --muted: #a7b7ce;
  --line: #27364d;
  --dangerBg: #301918;
  --successBg: #13291f;
  --warningBg: #2b2415;
  --shadow: 0 16px 45px rgba(0,0,0,.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(37,99,235,.12), transparent 24%),
    linear-gradient(180deg, var(--bg2), var(--bg));
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 28px), var(--max));
  margin: 0 auto;
  padding: 16px 0 30px;
}

.topbar {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand-icon,
.round-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: #eaf2ff;
  color: var(--primary);
  border: 1px solid #d6e4ff;
  font-size: 1.15rem;
}
.brand-icon svg,
.icon-button svg,
.btn svg {
  width: 21px;
  height: 21px;
  fill: currentColor;
}
.brand strong { display: block; font-weight: 900; }
.brand small { display: block; color: var(--muted); font-weight: 700; font-size: .78rem; }

.top-actions { display: flex; gap: 10px; }
.icon-button {
  height: 42px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
  color: var(--text);
  padding: 0 14px;
  border-radius: 999px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--ease);
}

.compact-panel,
.result-card,
.state-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.main-grid { display: grid; gap: 18px; }
.hero-card { padding: 26px 28px 28px; }
.hero-copy h1 {
  margin: 16px 0 10px;
  max-width: 980px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: .98;
  letter-spacing: -.06em;
}
.hero-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 8px 13px;
  font-weight: 850;
  font-size: .86rem;
  background: #edf4ff;
  color: #1a51d8;
}
.pill-primary { font-size: .92rem; }

.search-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
  padding: 16px;
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.input-wrap label {
  display: block;
  font-weight: 900;
  margin: 0 0 9px;
}
.input-control {
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  padding: 0 14px;
  transition: var(--ease);
}
.input-control:focus-within {
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 5px rgba(37,99,235,.12);
}
.input-emoji { font-size: 1.18rem; flex: 0 0 auto; }
.input-control input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 900;
}
.clear-field {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}
.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  height: 56px;
  border: 0;
  border-radius: 18px;
  padding: 0 18px;
  font-weight: 900;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  transition: var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff;
  box-shadow: 0 16px 30px rgba(37,99,235,.22);
}
.btn-soft {
  background: #eaf2ff;
  color: var(--primary);
  border: 1px solid #d3e1fb;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) 330px;
  gap: 18px;
}
.result-area { min-width: 0; }

.state-card {
  min-height: 205px;
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
}
.state-card h3 { margin: 14px 0 10px; font-size: 1.22rem; }
.state-card p { margin: 0; color: var(--muted); line-height: 1.65; }
.state-card.error { background: var(--dangerBg); border-color: #f2b8af; }
.state-card.error h3,
.state-card.error p { color: var(--danger); }
.state-icon {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: #edf4ff;
  font-size: 1.4rem;
}
.state-icon.danger { background: #ffe7e4; }

.result-card { padding: 22px; }
.result-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
.result-head h2 {
  margin: 12px 0 8px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -.03em;
}
.result-head p { margin: 0; color: var(--muted); }
.result-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.status-badge {
  padding: 10px 15px;
  border-radius: 999px;
  font-weight: 900;
  background: var(--warningBg);
  color: var(--warning);
  border: 1px solid rgba(143,93,0,.18);
}
.status-badge.ok { background: var(--successBg); color: var(--success); border-color: rgba(21,115,71,.22); }
.status-badge.bad { background: var(--dangerBg); color: var(--danger); border-color: rgba(190,47,35,.2); }
.small-action {
  height: 40px;
  border-radius: 999px;
  padding: 0 14px;
  font-weight: 900;
  cursor: pointer;
  background: var(--card2);
  color: var(--text);
  border: 1px solid var(--line);
  transition: var(--ease);
}

.data-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
.data-card {
  grid-column: span 4;
  min-height: 92px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card2);
}
.data-card.wide { grid-column: span 8; }
.data-card span {
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: .73rem;
  color: var(--muted);
  font-weight: 900;
}
.data-card strong { line-height: 1.55; word-break: break-word; font-size: .97rem; }

.history-panel {
  padding: 22px;
  align-self: start;
  position: sticky;
  top: 16px;
}
.history-head { display: flex; align-items: flex-start; gap: 12px; }
.history-head h2 { margin: 2px 0 8px; font-size: 1.1rem; }
.history-head p { margin: 0; color: var(--muted); line-height: 1.55; }
.round-icon.small { width: 40px; height: 40px; border-radius: 15px; font-size: 1.05rem; }
.history-toolbar { display: flex; gap: 8px; margin: 16px 0 14px; }
.history-toolbar input {
  min-width: 0;
  flex: 1;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card2);
  padding: 0 12px;
  color: var(--text);
  outline: 0;
  font-weight: 700;
}
.history-toolbar button {
  border: 1px solid var(--line);
  background: var(--card2);
  border-radius: 14px;
  font-weight: 900;
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
  transition: var(--ease);
}
.history-list { display: flex; flex-direction: column; gap: 10px; max-height: 480px; overflow: auto; padding-right: 4px; }
.history-item {
  border: 1px solid var(--line);
  background: var(--card2);
  border-radius: 16px;
  padding: 12px 13px;
  cursor: pointer;
  text-align: left;
  transition: var(--ease);
}
.history-item strong { display: block; font-size: .88rem; line-height: 1.3; text-transform: uppercase; }
.history-item span { display: block; color: var(--muted); margin-top: 5px; font-size: .84rem; }
.history-empty { padding: 18px; border: 1px dashed var(--line); border-radius: 16px; color: var(--muted); line-height: 1.5; }

.hidden { display: none !important; }
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: #10213c;
  color: #fff;
  padding: 13px 16px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  font-weight: 800;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: .25s ease;
  z-index: 20;
}
.toast.show { opacity: 1; transform: translateY(0); }

.skeleton-header { display: flex; gap: 16px; align-items: center; width: min(640px, 100%); }
.skeleton-header span { width: 58px; height: 58px; border-radius: 20px; }
.skeleton-header span,
.skeleton-header b,
.skeleton-header em,
.skeleton-grid span {
  background: linear-gradient(90deg, #e9eef6, #f7faff, #e9eef6);
  background-size: 220% 100%;
  animation: shimmer 1.1s infinite;
}
.skeleton-header div { flex: 1; }
.skeleton-header b,
.skeleton-header em { display: block; border-radius: 999px; }
.skeleton-header b { height: 20px; width: 65%; margin-bottom: 10px; }
.skeleton-header em { height: 14px; width: 45%; }
.skeleton-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; margin-top: 26px; }
.skeleton-grid span { height: 82px; border-radius: 18px; }
@keyframes shimmer { to { background-position: -220% 0; } }

.icon-button:hover,
.btn:hover,
.small-action:hover,
.history-toolbar button:hover,
.history-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(37,99,235,.14);
}
.history-item:hover { border-color: rgba(37,99,235,.45); background: var(--card); }

@media (max-width: 1160px) {
  .content-grid { grid-template-columns: 1fr; }
  .history-panel { position: static; }
  .search-box { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .app-shell { width: min(calc(100% - 20px), var(--max)); padding-top: 10px; }
  .topbar { align-items: flex-start; flex-wrap: wrap; }
  .icon-button span { display: none; }
  .hero-card,
  .result-card,
  .state-card,
  .history-panel { border-radius: 22px; padding: 18px; }
  .hero-copy h1 { font-size: 2.2rem; }
  .result-head { flex-direction: column; align-items: flex-start; }
  .form-actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .btn { width: 100%; height: 54px; }
  .data-grid,
  .skeleton-grid { grid-template-columns: 1fr; }
  .data-card,
  .data-card.wide { grid-column: auto; }
  .history-list { max-height: 360px; }
}

/* Ajustes v5: card principal mais clean, busca mais compacta e rodapé fixo */
body {
  padding-bottom: 58px;
}

.hero-card {
  padding: 22px 24px;
}

.clean-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.hero-copy h1 {
  margin: 0 0 6px;
  max-width: 100%;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}

.hero-subtitle {
  margin: 0;
  max-width: 760px;
  font-size: .98rem;
  color: var(--muted);
}

.clean-search-box,
.search-box {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(244,248,254,.92), rgba(255,255,255,.76));
}

[data-theme="dark"] .clean-search-box,
[data-theme="dark"] .search-box {
  background: linear-gradient(180deg, rgba(15,25,42,.94), rgba(18,29,47,.76));
}

.input-wrap label {
  margin-bottom: 7px;
  font-size: .9rem;
}

.input-control {
  height: 52px;
  border-radius: 16px;
}

.form-actions {
  display: flex;
  align-items: end;
  gap: 9px;
  flex-wrap: nowrap;
}

.btn {
  height: 52px;
  border-radius: 16px;
  padding-inline: 16px;
}

.content-grid {
  margin-top: 0;
}

.history-toolbar input {
  transition: var(--ease);
}

.history-toolbar input:focus {
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.10);
}

.developer-footer {
  position: fixed;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  color: var(--muted);
  box-shadow: 0 14px 35px rgba(16,32,61,.13);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: .86rem;
  font-weight: 800;
}

[data-theme="dark"] .developer-footer {
  background: rgba(18,29,47,.84);
}

.developer-footer::before {
  content: "💻";
}

.developer-footer strong {
  color: var(--text);
}

.toast {
  bottom: 64px;
}

@media (max-width: 980px) {
  .clean-search-box,
  .search-box {
    grid-template-columns: 1fr;
  }

  .form-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 66px;
  }

  .hero-card {
    padding: 18px;
  }

  .hero-copy h1 {
    font-size: 2rem;
  }

  .clean-search-box,
  .search-box {
    padding: 12px;
  }

  .form-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .developer-footer {
    width: calc(100% - 28px);
    bottom: 10px;
  }
}

/* Ajustes v7: histórico mais claro e contraste melhor no tema escuro */
.history-subactions {
  display: flex;
  justify-content: flex-end;
  margin: -4px 0 12px;
}

.history-subactions button {
  height: 34px;
  border: 1px solid rgba(190, 47, 35, .22);
  background: transparent;
  color: var(--danger);
  border-radius: 999px;
  padding: 0 12px;
  font-size: .83rem;
  font-weight: 800;
  cursor: pointer;
  transition: var(--ease);
}

.history-subactions button:hover {
  background: var(--dangerBg);
  transform: translateY(-1px);
}

.history-item,
.history-item strong,
.result-card,
.result-card h2,
.state-card h3,
.state-card p,
.history-head h2,
.history-head p,
.brand,
.brand strong,
.brand small,
.input-wrap label,
.input-control input,
.history-toolbar button,
.history-toolbar input,
.history-toolbar input::placeholder {
  color: var(--text);
}

.history-item span,
.history-head p,
#cacheStatus,
.hero-subtitle,
.result-head p,
.data-card span,
.state-card p,
.history-toolbar input::placeholder,
.brand small {
  color: var(--muted);
}

.history-item {
  color: var(--text);
}

[data-theme="dark"] .history-item,
[data-theme="dark"] .history-toolbar input,
[data-theme="dark"] .history-toolbar button,
[data-theme="dark"] .small-action,
[data-theme="dark"] .data-card,
[data-theme="dark"] .input-control,
[data-theme="dark"] .btn-soft {
  background: #0f1b2f;
  border-color: #28405f;
}

[data-theme="dark"] .history-item strong,
[data-theme="dark"] .history-toolbar button,
[data-theme="dark"] .small-action,
[data-theme="dark"] .data-card strong,
[data-theme="dark"] .input-control input,
[data-theme="dark"] .btn-soft {
  color: #eef5ff;
}

[data-theme="dark"] .btn-soft {
  background: #eaf2ff;
  color: #1c53d9;
  border-color: #c5dafc;
}

[data-theme="dark"] .clear-field {
  color: #b8c8de;
}

[data-theme="dark"] .history-item span,
[data-theme="dark"] .history-toolbar input::placeholder,
[data-theme="dark"] .data-card span,
[data-theme="dark"] #cacheStatus,
[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .brand small,
[data-theme="dark"] .state-card p,
[data-theme="dark"] .history-head p,
[data-theme="dark"] .result-head p {
  color: #a7b7ce;
}

[data-theme="dark"] .history-item:hover {
  background: #12233e;
}

@media (max-width: 760px) {
  .history-subactions {
    justify-content: stretch;
  }

  .history-subactions button {
    width: 100%;
  }
}