/* Style riêng cho Gross - Net Tool */

.gn-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.gn-form {
  padding: 30px;
}

.form-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.form-label {
  flex: 0 0 200px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  padding-top: 10px;
}

.form-input {
  flex: 1;
}

/* Radio layout */
.radio-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.radio-grid-4 {
  display: flex;
  gap: 20px;
  align-items: center;
  padding-top: 10px;
}

.radio-group-vertical {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text2);
  cursor: pointer;
}

.radio-item input[type="radio"] {
  accent-color: var(--blue);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.radio-item span {
  display: inline-block;
  line-height: 1.4;
}

.text-mute {
  color: var(--gold);
  font-style: italic;
}

/* Inputs */
.input-with-suffix {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 300px;
}

.input-with-suffix input {
  width: 100%;
  padding: 10px 50px 10px 15px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}

.input-with-suffix input:focus {
  border-color: var(--blue);
}

.input-with-suffix input:disabled {
  background: var(--bg2);
  cursor: not-allowed;
  opacity: 0.7;
}

.input-with-suffix .suffix {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--text3);
  font-weight: 600;
}

.short-input {
  max-width: 150px;
}

.inline-input {
  max-width: 200px;
  margin-left: 10px;
}

/* Buttons */
.form-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-action {
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: var(--sans);
}

.btn-action:hover {
  opacity: 0.9;
}

.btn-red {
  background-color: #e74c3c;
}

.btn-brown {
  background-color: #a87e50;
}

/* SEO Content */
.seo-card {
  padding: 20px 0;
}

.legal-basis {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}

.legal-basis ul {
  list-style: none;
  padding: 0;
}

.legal-basis li {
  margin-bottom: 10px;
}

.seo-content {
  position: relative;
}

.seo-text-wrapper {
  height: 250px; /* Collapsed height */
  overflow: hidden;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  position: relative;
  transition: height 0.5s ease;
}

.seo-text-wrapper.expanded {
  height: auto;
}

.seo-text-wrapper h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--blue);
}

.seo-text-wrapper p {
  margin-bottom: 12px;
}

.read-more-wrapper {
  text-align: center;
  position: relative;
  margin-top: -30px;
  padding-top: 40px;
  background: linear-gradient(to bottom, rgba(20, 31, 51, 0), rgba(20, 31, 51, 1) 60%);
}

html[data-theme="light"] .read-more-wrapper {
  background: linear-gradient(to bottom, rgba(245, 247, 250, 0), rgba(245, 247, 250, 1) 60%);
}

.seo-text-wrapper.expanded + .read-more-wrapper {
  background: none;
  margin-top: 10px;
  padding-top: 0;
}

.btn-read-more {
  background: var(--border2);
  color: var(--text2);
  border: none;
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-read-more:hover {
  background: var(--blue);
  color: #fff;
}

/* Utilities */
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mb-10 { margin-bottom: 10px; }

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 10px;
  }
  .form-label {
    flex: none;
    padding-top: 0;
  }
  .radio-grid-2 {
    grid-template-columns: 1fr;
  }
  .radio-grid-4 {
    flex-wrap: wrap;
  }
  .form-actions {
    margin-left: 0;
    flex-direction: column;
  }
  .inline-input {
    margin-left: 0;
    margin-top: 10px;
    display: block;
  }
}

/* Modal Giải thích vùng */
.link-explain {
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s;
}
.link-explain:hover {
  color: var(--blue);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 0.3s forwards;
}

.modal-content {
  background: var(--card);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  animation: slideUp 0.3s forwards;
  border: 1px solid var(--border);
}

.modal-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 18px;
  margin: 0;
  color: var(--blue);
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: var(--text3);
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: #e74c3c;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.modal-body h3 {
  font-size: 15px;
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--gold);
}

.modal-body ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.modal-body li {
  margin-bottom: 8px;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes slideUp {
  to { transform: translateY(0); }
}