:root {
  --bg: #0b0c15;
  --bg-card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #e8e8f0;
  --text-dim: #8b8fa3;
  --accent: #6366f1;
  --accent-2: #a855f7;
  --accent-glow: rgba(99,102,241,0.35);
  --success: #22c55e;
  --radius: 18px;
  --shadow: 0 8px 32px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99,102,241,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(168,85,247,0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(59,130,246,0.08) 0%, transparent 60%);
  animation: bgPulse 10s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.container {
  max-width: 840px;
  margin: 0 auto;
  padding: 48px 24px 24px;
  animation: fadeUp 0.7s ease-out;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.glass {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  text-align: center;
  margin-bottom: 36px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--text);
}

.logo svg { color: var(--accent); filter: drop-shadow(0 0 12px var(--accent-glow)); }

.logo h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  font-weight: 400;
}

.editor-card {
  padding: 28px;
  margin-bottom: 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.editor-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.tabs {
  display: flex;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  padding: 4px;
  border-radius: 12px;
}

.tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.tab:hover { color: var(--text); }

.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.counter {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

#content {
  width: 100%;
  min-height: 280px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  color: var(--text);
  font-family: "Fira Code", ui-monospace, monospace;
  font-size: 0.95rem;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#content:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#content::placeholder { color: var(--text-dim); opacity: 0.6; }

.editor-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.hint {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.btn-primary, .btn-secondary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.14); }

.btn-secondary.copied {
  background: rgba(34,197,94,0.18);
  color: var(--success);
  border-color: rgba(34,197,94,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: 10px 16px;
}

.btn-ghost:hover { color: var(--accent-2); text-decoration: underline; }

.result-card {
  padding: 36px 28px;
  text-align: center;
  animation: fadeUp 0.5s ease-out;
}

.result-card.hidden { display: none; }

.result-icon { font-size: 2.5rem; margin-bottom: 12px; }

.result-card h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.result-expires {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.url-box {
  display: flex;
  gap: 10px;
  max-width: 520px;
  margin: 0 auto 16px;
}

.url-box input {
  flex: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  font-family: "Fira Code", monospace;
  font-size: 0.9rem;
  outline: none;
}

/* Paste view */
.paste-view { padding-top: 32px; }

.paste-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: opacity 0.2s;
}

.logo-small:hover { opacity: 0.8; }

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

.badge {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 8px;
}

.content-card {
  padding: 28px;
  margin-bottom: 20px;
}

.plain-content {
  background: rgba(0,0,0,0.2);
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  font-family: "Fira Code", ui-monospace, monospace;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--border);
}

.rendered-content {
  line-height: 1.8;
  color: var(--text);
}

.rendered-content h1, .rendered-content h2, .rendered-content h3,
.rendered-content h4, .rendered-content h5, .rendered-content h6 {
  margin: 1.2em 0 0.6em;
  font-weight: 600;
  color: #fff;
}

.rendered-content p { margin-bottom: 0.9em; }

.rendered-content a { color: var(--accent); text-decoration: none; }
.rendered-content a:hover { text-decoration: underline; }

.rendered-content code {
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: "Fira Code", monospace;
  font-size: 0.88em;
}

.rendered-content pre {
  background: rgba(0,0,0,0.35);
  padding: 16px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 1em 0;
  border: 1px solid var(--border);
}

.rendered-content pre code { background: none; padding: 0; }

.rendered-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin: 1em 0;
  color: var(--text-dim);
}

.rendered-content ul, .rendered-content ol { margin: 0.8em 0 0.8em 1.4em; }

.rendered-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}

.rendered-content th, .rendered-content td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.rendered-content th {
  background: rgba(255,255,255,0.06);
  font-weight: 600;
}

.actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer {
  text-align: center;
  padding: 40px 24px;
  color: var(--text-dim);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .container { padding: 24px 16px; }
  .logo h1 { font-size: 1.9rem; }
  .editor-card, .content-card { padding: 18px; }
  .url-box { flex-direction: column; }
  .editor-footer { flex-direction: column; align-items: stretch; }
  .btn-primary { justify-content: center; }
}

.warning-card {
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-left: 3px solid #f59e0b;
  animation: fadeUp 0.6s ease-out 0.2s both;
}

.warning-icon {
  font-size: 1.3rem;
  line-height: 1;
  margin-top: 2px;
  flex-shrink: 0;
}

.warning-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

.warning-card strong {
  color: #fbbf24;
}

.ip-card {
  padding: 14px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid var(--accent);
}

.ip-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin: 0;
}

.ip-card strong {
  color: var(--text);
}