* {
  box-sizing: border-box;
}

.collab-container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.collab-hero {
  padding: 60px 0 40px;
  background: radial-gradient(circle at top, #2b2b2b, #0f0f0f 55%);
  border-bottom: 1px solid #222;
}

.collab-hero .collab-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.collab-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #fbbf24;
  font-weight: 700;
  margin: 0 0 8px;
}

.collab-hero h1 {
  font-size: 2.6rem;
  margin: 0 0 12px;
}

.collab-subtitle {
  color: #9ca3af;
  line-height: 1.6;
  margin: 0;
}

.collab-hero-card {
  background: #151515;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 24px;
}

.collab-topics {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}

.collab-topics li {
  padding: 10px 12px;
  border-radius: 10px;
  background: #1f1f1f;
  border: 1px solid #2f2f2f;
  color: #fbbf24;
  font-weight: 600;
}

.collab-main {
  padding: 40px 0 60px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.collab-cta-row {
  display: flex;
  justify-content: flex-end;
}

.collab-calendar-link.top-link {
  background: #1f1f1f;
  border: 1px solid #2f2f2f;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fbbf24;
  text-decoration: none;
  font-weight: 700;
}

.collab-form-section,
.collab-calendar-section {
  background: #151515;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 32px;
}

.collab-section-desc {
  color: #9ca3af;
  margin-top: 6px;
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.collab-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.collab-field.full {
  grid-column: span 2;
}

.collab-field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.collab-field input,
.collab-field select,
.collab-field textarea {
  background: #0f0f0f;
  border: 1px solid #2a2a2a;
  color: #e5e7eb;
  border-radius: 10px;
  padding: 12px;
  font-size: 0.95rem;
}

.collab-field input:focus,
.collab-field select:focus,
.collab-field textarea:focus {
  outline: none;
  border-color: #fbbf24;
  box-shadow: 0 0 0 2px rgba(251, 191, 36, 0.2);
}

.collab-error {
  color: #f87171;
  min-height: 16px;
  font-size: 0.8rem;
}

.collab-primary-btn {
  margin-top: 18px;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border: none;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  color: #111;
}

.collab-status {
  margin-top: 12px;
  color: #93c5fd;
  min-height: 20px;
}

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

.collab-calendar-link {
  color: #fbbf24;
  text-decoration: none;
  font-weight: 600;
}

#calendar {
  background: #0f0f0f;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 8px;
}

.inline-calendar {
  background: #0f0f0f;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 8px;
}

.inline-calendar .fc {
  font-size: 0.85rem;
}

.inline-calendar .fc .fc-daygrid-day-number {
  color: #e5e7eb;
}

@media (max-width: 960px) {
  .collab-hero .collab-container {
    grid-template-columns: 1fr;
  }
  .collab-cta-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .collab-grid {
    grid-template-columns: 1fr;
  }
  .collab-field.full {
    grid-column: span 1;
  }
  .collab-hero h1 {
    font-size: 2rem;
  }
}