:root {
  --form-primary: #4f46e5;
  --form-primary-hover: #4338ca;
  --form-bg: #f8fafc;
  --form-card-bg: #ffffff;
  --form-text-main: #1e293b;
  --form-text-muted: #64748b;
  --form-border: #e2e8f0;
  --form-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --form-focus: #c7d2fe;
}

.contest-form-container {
  max-width: 600px;
  margin: 3rem auto;
  padding: 0 1rem;
  font-family: 'Poppins', sans-serif;
}

.form-card {
  background: var(--form-card-bg);
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: var(--form-shadow);
  border: 1px solid var(--form-border);
}

.form-header {
  background: linear-gradient(135deg, var(--form-primary) 0%, #6366f1 100%);
  padding: 2.5rem 2rem;
  color: white;
  text-align: center;
}

.form-header h1 {
  font-size: 1.875rem;
  font-weight: 700;
  margin: 0;
}

.form-header p {
  margin-top: 0.5rem;
  opacity: 0.9;
  font-size: 0.95rem;
}

.form-body {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--form-text-main);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--form-border);
  background-color: #f8fafc;
  font-size: 1rem;
  transition: all 0.2s ease;
  color: var(--form-text-main);
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--form-primary);
  background-color: white;
  box-shadow: 0 0 0 4px var(--form-focus);
}

/* Custom styling for datetime selects since they are multiple selects in Rails */
.datetime-select-wrapper {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.datetime-select-wrapper select {
  padding: 0.6rem 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--form-border);
  background-color: #f8fafc;
  font-size: 0.9rem;
  flex: 1;
  min-width: 80px;
}

.form-submit-btn {
  width: 100%;
  background-color: var(--form-primary);
  color: white;
  padding: 1rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.form-submit-btn:hover {
  background-color: var(--form-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.error-container {
  background-color: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 1rem;
  margin-bottom: 2rem;
  border-radius: 0.5rem;
}

.error-title {
  color: #991b1b;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.error-list {
  list-style: disc;
  margin-left: 1.25rem;
  color: #b91c1c;
  font-size: 0.8125rem;
}

.form-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--form-border);
  margin-top: 2rem;
}

.back-link {
  color: var(--form-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--form-primary);
}