:root {
  --navy: #0F172A;
  --navy-light: #1E293B;
  --cyan: #22D3EE;
  --cyan-dim: #0E7490;
  --white: #F8FAFC;
  --gray: #94A3B8;
  --gray-dark: #334155;
  --green: #22C55E;
  --yellow: #EAB308;
  --red: #EF4444;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--navy);
  color: var(--white);
  min-height: 100vh;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  border-bottom: 1px solid var(--gray-dark);
  padding: 16px 0;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}
.logo span { color: var(--cyan); }
header nav a {
  color: var(--gray);
  margin-left: 20px;
  font-size: 0.9rem;
}
header nav a:hover { color: var(--cyan); }

/* Hero */
.hero {
  text-align: center;
  padding: 40px 0 24px;
}
.hero h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}
.hero h1 span { color: var(--cyan); }
.hero p { color: var(--gray); font-size: 1.05rem; }

/* Paste form */
.paste-card {
  background: var(--navy-light);
  border: 1px solid var(--gray-dark);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 30px;
}

.paste-textarea {
  width: 100%;
  min-height: 280px;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--gray-dark);
  background: var(--navy);
  color: var(--white);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.9rem;
  resize: vertical;
  line-height: 1.5;
  tab-size: 4;
}
.paste-textarea::placeholder { color: var(--gray); }
.paste-textarea:focus {
  outline: none;
  border-color: var(--cyan-dim);
}

.options-row {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.option-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.option-group label {
  font-size: 0.8rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.option-group select,
.option-group input[type="password"] {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--gray-dark);
  background: var(--navy);
  color: var(--white);
  font-size: 0.9rem;
}
.option-group input::placeholder { color: var(--gray); }

.btn {
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  background: var(--cyan);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  margin-top: auto;
}
.btn:hover { background: var(--cyan-dim); color: var(--white); }

/* Created result */
.created-box {
  background: var(--navy-light);
  border: 1px solid var(--green);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}
.created-box h3 {
  color: var(--green);
  margin-bottom: 12px;
  font-size: 1.1rem;
}
.paste-url-box {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 12px;
}
.paste-url {
  background: var(--navy);
  padding: 10px 16px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.95rem;
  border: 1px solid var(--gray-dark);
  color: var(--cyan);
  word-break: break-all;
}
.btn-copy {
  padding: 10px 16px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  background: transparent;
  color: var(--cyan);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  white-space: nowrap;
}
.btn-copy:hover { background: var(--cyan); color: var(--navy); }

/* View paste */
.paste-view {
  background: var(--navy-light);
  border: 1px solid var(--gray-dark);
  border-radius: 12px;
  margin-bottom: 30px;
  overflow: hidden;
}
.paste-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-dark);
  flex-wrap: wrap;
  gap: 8px;
}
.paste-meta .lang-badge {
  background: var(--cyan-dim);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}
.paste-meta .meta-info {
  color: var(--gray);
  font-size: 0.85rem;
}
.paste-content {
  padding: 0;
  margin: 0;
}
.paste-content pre {
  padding: 20px;
  margin: 0;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--white);
}
.paste-actions {
  display: flex;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--gray-dark);
}
.btn-sm {
  padding: 8px 16px;
  border: 1px solid var(--gray-dark);
  border-radius: 8px;
  background: transparent;
  color: var(--gray);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
}
.btn-sm:hover { border-color: var(--cyan); color: var(--cyan); text-decoration: none; }

/* Password page */
.password-card {
  background: var(--navy-light);
  border: 1px solid var(--gray-dark);
  border-radius: 12px;
  padding: 40px;
  max-width: 400px;
  margin: 60px auto;
  text-align: center;
}
.password-card h2 {
  margin-bottom: 8px;
}
.password-card p {
  color: var(--gray);
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.password-card input[type="password"] {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--gray-dark);
  background: var(--navy);
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.password-card .error-msg {
  margin-bottom: 14px;
  font-size: 0.85rem;
}

.error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--red);
}

/* Footer */
footer {
  border-top: 1px solid var(--gray-dark);
  padding: 24px 0;
  text-align: center;
  color: var(--gray);
  font-size: 0.85rem;
}

/* Loading */
.htmx-indicator {
  display: none;
  color: var(--cyan);
  font-size: 0.9rem;
  padding: 10px 0;
}
.htmx-request .htmx-indicator { display: block; }
.htmx-request .btn { opacity: 0.6; pointer-events: none; }

@media (max-width: 600px) {
  .options-row { flex-direction: column; }
  .hero h1 { font-size: 1.5rem; }
  .paste-card { padding: 16px; }
  .paste-url-box { flex-direction: column; }
  .paste-meta { flex-direction: column; align-items: flex-start; }
}