/* Main Styles - Website Lập Lá Số Tử Vi */
/* Font: Be Vietnam Pro */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* CSS Variables - Màu sắc cổ điển tử vi */
:root {
  /* Màu chính - Đỏ son cổ điển */
  --primary-color: #8B0000;
  --primary-dark: #5C0000;
  --primary-light: #B22222;
  
  /* Màu phụ - Vàng kim cổ */
  --secondary-color: #B8860B;
  --gold-color: #DAA520;
  --gold-light: #F4C430;
  
  /* Màu ngũ hành */
  --kim-color: #FFD700;
  --moc-color: #228B22;
  --thuy-color: #1E90FF;
  --hoa-color: #DC143C;
  --tho-color: #8B4513;
  
  /* Màu sao */
  --star-major: #000000;
  --star-good: #B22222;
  --star-bad: #8B0000;
  --star-neutral: #666666;
  
  /* Màu tứ hóa */
  --hoa-loc: #228B22;
  --hoa-quyen: #000000;
  --hoa-khoa: #1E90FF;
  --hoa-ky: #DC143C;
  
  /* Màu nền */
  --bg-primary: #FDF5E6;
  --bg-secondary: #FAF0E6;
  --bg-paper: #FFFAF0;
  --bg-highlight: #FFF8DC;
  
  /* Màu text */
  --text-color: #2F1810;
  --text-light: #5C4033;
  --text-muted: #5D4E37;
  
  /* Màu border */
  --border-color: #8B4513;
  --border-light: #D2B48C;
  --border-dark: #5C3317;
  
  /* Màu cung */
  --palace-menh: #DAA520;
  --palace-than: #DAA520;
  --palace-normal: #B22222;
  
  --white: #FFFAF0;
  --error-color: #DC143C;
  --success-color: #228B22;
}

/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 100vh;
}

/* Container */
.container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 15px;
}

/* Header - Đơn giản hóa */
.header {
  text-align: center;
  padding: 12px 15px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  margin-bottom: 15px;
  border-radius: 6px;
  border: 2px solid var(--gold-color);
  box-shadow: 0 3px 10px rgba(139, 0, 0, 0.3);
}

.header h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 2px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.header p {
  font-size: 12px;
  opacity: 0.9;
  font-style: italic;
}

/* Main Layout */
.main-content {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Form Section */
.form-section {
  flex: 0 0 300px;
  background: var(--bg-paper);
  padding: 15px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(139, 69, 19, 0.15);
  border: 1px solid var(--border-light);
}

.form-section h2 {
  font-size: 16px;
  margin-bottom: 15px;
  color: var(--primary-color);
  border-bottom: 2px solid var(--gold-color);
  padding-bottom: 8px;
  font-weight: 600;
}

/* Form Controls */
.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--text-color);
  font-size: 13px;
}

.form-control {
  width: 100%;
  min-width: 100px;
  padding: 8px 10px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 14px;
  font-family: 'Be Vietnam Pro', sans-serif;
  background: var(--white);
  color: var(--text-color);
  transition: all 0.3s;
}

/* Dropdown select tăng width */
select.form-control {
  min-width: 120px;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(139, 0, 0, 0.1);
}

.form-row {
  display: flex;
  gap: 8px;
}

.form-row .form-control {
  flex: 1;
}

/* Radio Buttons */
.radio-group {
  display: flex;
  gap: 15px;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: 13px;
}

.radio-item input[type="radio"] {
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Be Vietnam Pro', sans-serif;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  width: 100%;
  border: 1px solid var(--gold-color);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(139, 0, 0, 0.3);
}

.btn-secondary {
  background: var(--bg-paper);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  font-size: 12px;
  padding: 8px 12px;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.action-buttons .btn {
  flex: 1;
}

/* Error Messages */
.error-message {
  color: var(--error-color);
  font-size: 11px;
  margin-top: 4px;
  display: none;
}

.form-control.error {
  border-color: var(--error-color);
}

.form-control.error + .error-message {
  display: block;
}

/* Chart Section */
.chart-section {
  flex: 1;
  min-width: 900px;
  background: var(--bg-paper);
  padding: 15px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(139, 69, 19, 0.15);
  border: 1px solid var(--border-light);
}

/* Loading State */
.loading {
  display: none;
  text-align: center;
  padding: 40px;
}

.loading.active {
  display: block;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Alert Messages */
.alert {
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 12px;
  display: none;
  font-size: 13px;
}

.alert.show {
  display: block;
}

.alert-error {
  background: #FFF0F0;
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.alert-success {
  background: #F0FFF0;
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

/* Footer */
footer {
  text-align: center;
  padding: 15px;
  color: var(--text-muted);
  font-size: 22px;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .chart-section {
    min-width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  .form-section {
    flex: 1 1 100%;
  }

  .main-content {
    flex-direction: column;
  }

  .header h1 {
    font-size: 18px;
  }

  .form-row {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .action-buttons {
    flex-direction: column;
  }
}