:root {
  --bg: #05060a;
  --bg-elevated: #101320;
  --bg-elevated-soft: #151829;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --accent: #4cc9f0;
  --accent-soft: rgba(76, 201, 240, 0.12);
  --accent-strong: #3a86ff;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --danger: #f97373;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --shadow-soft: 0 24px 40px rgba(0, 0, 0, 0.5);
  --shadow-subtle: 0 0 0 1px rgba(255, 255, 255, 0.02);
  --transition-fast: 0.18s ease-out;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

.page-wrapper {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 16px 32px;
}

/* Inline link styling (hero text, SEO copy, footer) */
.hero-subtitle a,
.seo-copy a,
.site-footer-links a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(76, 201, 240, 0.45);
  padding-bottom: 1px;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.hero-subtitle a:visited,
.seo-copy a:visited,
.site-footer-links a:visited {
  color: var(--accent); /* evita roxo/azul feio de link visitado */
}

.hero-subtitle a:hover,
.seo-copy a:hover,
.site-footer-links a:hover {
  color: var(--accent-strong);
  border-bottom-color: var(--accent-strong);
}

.hero-subtitle a:focus-visible,
.seo-copy a:focus-visible,
.site-footer-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-bottom-color: transparent;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: 16px;
  color: #020617;
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.5);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 600;
  font-size: 18px;
}

.brand-tagline {
  font-size: 12px;
  color: var(--text-muted);
}

/* Make brand area clickable without looking like a link */
.brand {
  text-decoration: none;
  color: inherit;
}

.brand:visited {
  color: inherit;
}

/* Header nav (tools menu) */

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Fallback: estiliza qualquer link dentro do menu */
.site-nav a,
.nav-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.site-nav a:hover,
.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

/* Estado ativo mais legível e menos “azulão” */
.site-nav a.is-active,
.nav-link.is-active {
  color: var(--text-main);
  background: rgba(76, 201, 240, 0.14); /* usa seu accent de forma suave */
  border-color: rgba(76, 201, 240, 0.45);
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

/* Mobile header layout */
@media (max-width: 600px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    margin-top: 10px;
  }
}

/* Main content */

.main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Hero */

.hero h1 {
  font-size: clamp(26px, 5vw, 32px);
  margin: 0 0 8px;
}

.hero-subtitle {
  margin: 0 0 12px;
  color: var(--text-muted);
  max-width: 520px;
}

.hero-subtitle strong {
  color: var(--accent);
  font-weight: 600;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-highlights li {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

/* Tool card */

.tool-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 20px;
  background: radial-gradient(circle at top left, #111827, #020617 60%);
  border-radius: 28px;
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 0% 0%, rgba(76, 201, 240, 0.1), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.18), transparent 55%);
  opacity: 0.6;
  pointer-events: none;
  z-index: -1;
}

.tool-main {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Upload area */

.upload-area {
  border-radius: 24px;
  border: 1px dashed rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at top, #020617, #020617 60%);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  box-shadow: var(--shadow-subtle);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.upload-area.dragover {
  border-color: var(--accent);
  background: radial-gradient(circle at top, #0b1120, #020617 65%);
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.9);
}

.upload-content h2 {
  margin: 8px 0 4px;
  font-size: 18px;
}

.upload-content p {
  margin: 3px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.upload-icon {
  font-size: 22px;
  opacity: 0.9;
}

.upload-hint {
  opacity: 0.9;
}

/* Nova frase de privacidade */

.upload-privacy {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.85;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  text-decoration: underline;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.link-button:hover {
  color: var(--accent-strong);
}

/* File info */

.file-info {
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 10px 12px;
  font-size: 13px;
  display: grid;
  gap: 4px;
}

.file-info-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.file-info-row .label {
  color: var(--text-muted);
}

.file-info-row .value {
  font-weight: 500;
}

/* Options */

.options-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.options-row label {
  color: var(--text-muted);
}

.options-row select {
  flex: 1;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  font: inherit;
}

/* Button */

.primary-btn {
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #020617;
  font-weight: 600;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 16px 35px rgba(37, 99, 235, 0.7);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    filter var(--transition-fast), opacity var(--transition-fast);
}

.primary-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(0.4);
}

.primary-btn:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(37, 99, 235, 0.9);
}

/* Status message */

.status-message {
  min-height: 18px;
  font-size: 13px;
  color: var(--text-muted);
}

.status-message.error {
  color: var(--danger);
}

/* Preview area */

.preview-area {
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.preview-column h3 {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--text-muted);
}

.preview-box {
  border-radius: 16px;
  background: radial-gradient(circle at top, #020617, #020617 70%);
  border: 1px solid rgba(15, 23, 42, 0.9);
  min-height: 140px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-box img {
  max-width: 100%;
  max-height: 220px;
  display: block;
  border-radius: 12px;
}

/* 🔧 FIX: não mostrar ícone quebrado quando não há src */
.preview-box img:not([src]) {
  display: none;
}

.preview-meta {
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

/* SEO copy */

.seo-copy {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.seo-copy h2 {
  font-size: 18px;
  margin-bottom: 6px;
  color: var(--text-main);
}

/* Footer */

.site-footer {
  margin-top: 32px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* Responsive */

@media (max-width: 880px) {
  .tool-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 16px;
  }

  .preview-box {
    min-height: 120px;
  }
}

/* WebP tool: quality slider */

.quality-row {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.quality-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

.quality-value {
  font-weight: 500;
  color: var(--text-main);
}

.range-input {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.3);
  outline: none;
}

/* thumb: Chrome/Edge/Opera */
.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  box-shadow: 0 0 0 2px #020617;
  cursor: pointer;
}

/* thumb: Firefox */
.range-input::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  box-shadow: 0 0 0 2px #020617;
  cursor: pointer;
}

.range-input::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.3);
}

@media (max-width: 600px) {
  .page-wrapper {
    padding-inline: 14px;
  }

  .site-header {
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: 22px;
  }

  .hero-subtitle {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .hero-highlights {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .tool-card {
    border-radius: 20px;
  }

  .upload-area {
    padding: 18px;
    min-height: 210px;
  }

  /* Preview em coluna no mobile */
  .preview-area {
    grid-template-columns: 1fr;
  }
  
  /* -----------------------------------------
     Resize tool: dimension inputs + presets
  ------------------------------------------ */

  .input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
  }

  .input-row label {
    color: var(--text-muted);
    min-width: 110px;
  }

  .input-row input[type="number"] {
    flex: 1;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-main);
    font: inherit;
  }

  .input-row input[type="number"]::placeholder {
    color: rgba(156, 163, 175, 0.7);
  }

  .toggle-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
  }

  .toggle-row input[type="checkbox"] {
    accent-color: var(--accent);
    transform: translateY(1px);
  }

  .presets-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
  }

  .preset-pill {
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition:
      color var(--transition-fast),
      background var(--transition-fast),
      border-color var(--transition-fast),
      transform var(--transition-fast);
  }

  .preset-pill:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
  }
}