/* ═══════════════════════════════════════════════════════
   NeoCalculator.net — Hex Calculator CSS (Dark Mode Fix)
   ═══════════════════════════════════════════════════════ */

.hex-container {
  padding-top: 30px;
  padding-bottom: 50px;
}

.hero-section {
  text-align: center;
  margin-bottom: 25px;
}

.hero-section h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 8px;
}

.hero-section p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Tabs Switcher */
.hex-tab-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.hex-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hex-tab-btn.active, .hex-tab-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* Card Panel Container */
.hex-card-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  margin-bottom: 40px;
}

.hex-card-panel h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: var(--text-light);
}

.panel-desc {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.92rem;
}

/* Form Layout & Input Styling */
.hex-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
}

/* 🌟 Input & Select Common Theme Styling */
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--bg-card); /* Theme background match */
  color: var(--text-light);          /* Theme text match */
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

/* 🌟 Dropdown (Select) Dark Mode & Custom Arrow Fix */
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%22%20width%3D%2214%22%20height%3D%228%22%20viewBox%3D%220%200%2014%208%22%3E%3Cpath%20fill%3D%22none%22%20stroke%3D%22%233b82f6%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%20d%3D%22M1%201l6%206%206-6%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px 8px;
  padding-right: 40px;
}

/* Options dropdown items styling for Dark Mode compatibility */
.form-group select option {
  background-color: var(--bg-card);
  color: var(--text-light);
  padding: 10px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.hex-action-btns {
  display: flex;
  gap: 12px;
}

/* Result Box Styling */
.hex-result-box {
  background: var(--formula-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 20px;
  margin-top: 25px;
  color: var(--text-light);
  animation: fadeIn 0.3s ease-in-out;
}

.hex-result-box h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--accent);
}

.hex-res-main {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 15px;
}

.steps-list {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  margin-top: 12px;
}

/* Hex Reference Table */
.hex-table-wrapper {
  overflow-x: auto;
  margin-top: 15px;
}

.hex-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.hex-table th, .hex-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.hex-table th {
  background: var(--formula-bg);
  color: var(--text-light);
  font-weight: 700;
}

.hex-table td {
  color: var(--text-muted);
  font-size: 0.95rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}