/* ────────────────────────────────────────────
   ico-maker — redesigned UI
   clean glass · centered layout · polished converter ·
   Klaro cookie consent
   ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800;900&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Background */
  --bg: #0b0c10;
  --bg-end: #12121e;
  /* Surfaces */
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-border: rgba(255, 255, 255, 0.08);
  --surface-border-hover: rgba(168, 85, 247, 0.35);
  /* Text */
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  /* Accent */
  --accent: #a855f7;
  --accent-light: #c084fc;
  --accent-dark: #7e33c6;
  --accent-glow: rgba(168, 85, 247, 0.35);
  /* UI */
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.65);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 720px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -200px, #1c1a28 0%, transparent 60%),
              linear-gradient(135deg, var(--bg) 0%, var(--bg-end) 100%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Background canvas ─── */
#bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

/* ─── Top navbar — compact ─── */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 48px;
  padding: 0 20px;
  background: rgba(11, 12, 16, 0.7);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.top-nav .brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-nav .brand .accent {
  color: var(--accent-light);
}

.top-nav .nav-links {
  display: flex;
  gap: 10px;
  align-items: center;
}

.top-nav .nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.top-nav .nav-links a:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--surface-border);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 26px;
  height: 16px;
  cursor: pointer;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Main container ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 20px 80px;
  position: relative;
  z-index: 1;
  width: 100%;
}

@media (min-width: 640px) {
  .container { padding: 120px 24px 100px; }
}

/* ─── Hero ─── */
.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero .eyebrow {
  font-family: 'Outfit', sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 12px;
  display: block;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 14px;
}

.hero h1 .accent {
  color: var(--accent-light);
}

.hero p {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-dim);
  max-width: 420px;
  margin: 0 auto;
}

/* ─── Converter card ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow), var(--shadow-inner);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}

.card:hover {
  border-color: var(--surface-border-hover);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.7), var(--shadow-inner);
}

.drop-zone {
  border: 2px dashed var(--surface-border);
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  margin-bottom: 24px;
}

.drop-zone:hover {
  background: rgba(168, 85, 247, 0.1);
  border-color: var(--surface-border-hover);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

.drop-zone.drag-over {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  z-index: 5;
}

.drop-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 16px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.drop-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 4px;
}

.drop-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.drop-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.preview {
  max-width: 120px;
  max-height: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  margin: 16px auto 0;
  display: none;
  object-fit: cover;
}

/* ─── Size selector ─── */
.size-group {
  margin-bottom: 24px;
}

.size-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
}

.size-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.chip {
  border: 1px solid var(--surface-border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  padding: 7px 14px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--accent);
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-light);
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 1px var(--accent-glow), 0 4px 12px -4px var(--accent-glow);
}

/* ─── Buttons ─── */
.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.convert-btn {
  width: 100%;
  padding: 14px 24px;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 0 1px var(--accent-glow), 0 4px 14px -4px var(--accent-glow);
}

.convert-btn:hover:not(:disabled) {
  background: var(--accent-light);
  border-color: var(--accent-light);
  box-shadow: 0 0 0 1px var(--accent-glow), 0 8px 20px -4px var(--accent-glow);
  transform: translateY(-1px);
}

.convert-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 0 0 1px var(--accent-glow), 0 4px 10px -4px var(--accent-glow);
}

.convert-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.download-btn {
  width: 100%;
  padding: 14px 24px;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
}

.download-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--surface-border-hover);
  color: var(--text);
  transform: translateY(-1px);
}

.download-btn:active {
  transform: translateY(1px);
}

.download-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

/* ─── Legal pages ─── */
.legal-article {
  max-width: 640px;
  margin: 0 auto;
  padding: 100px 20px 100px;
  position: relative;
  z-index: 1;
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow), var(--shadow-inner);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}

.legal-card h1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 24px;
}

.legal-card h1 .accent {
  color: var(--accent-light);
}

.legal-card h2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin: 22px 0 10px;
}

.legal-card p,
.legal-card li {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0 0 14px;
  line-height: 1.6;
}

.legal-card ul {
  margin: 0 0 16px 18px;
  padding: 0;
  color: var(--text-dim);
}

.legal-card .back {
  margin-top: 30px;
  display: inline-block;
  color: var(--text-dim);
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.legal-card .back:hover {
  color: var(--accent-light);
}

/* ─── Footer ─── */
footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--surface-border);
  font-size: 0.66rem;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

footer a {
  color: var(--text-muted);
  text-decoration: underline;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--text);
}

/* ─── Mobile navigation ─── */
@media (max-width: 639px) {
  .hamburger { display: flex; }
  .top-nav .nav-links {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    background: rgba(11, 12, 16, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 12px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid var(--surface-border);
  }
  .top-nav .nav-links.open { transform: translateX(0); }
  .top-nav .nav-links a {
    width: 100%;
    padding: 12px 0;
    text-align: center;
    border-bottom: 1px solid var(--surface-border);
  }
  .container { padding-top: 88px; }
}

/* ─── Focus ─── */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}