frontend/src/components/RadiologyExplainer/RadiologyExplainer.css

/**
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

.radiology-explainer {
  min-height: 100vh;
  background: var(--sushruta-bg-primary);
  color: var(--sushruta-text-primary);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Background glows */
.radiology-orb-left {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: var(--sushruta-accent-teal);
  filter: blur(140px);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.radiology-orb-right {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: var(--sushruta-accent-blue);
  filter: blur(140px);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

/* Navigation */
.radiology-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: rgba(10, 10, 26, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10;
}

.radiology-logo {
  font-family: 'Google Sans', sans-serif;
  font-size: 22px;
  font-weight: 600;
  margin: 0;
  background: linear-gradient(90deg, #ffffff 40%, var(--sushruta-accent-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Nav buttons customized for dark mode */
.radiology-nav .back-button {
  color: var(--sushruta-text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  transition: all 0.3s ease;
}

.radiology-nav .back-button:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.radiology-nav .details-button {
  background: rgba(0, 212, 170, 0.15);
  color: var(--sushruta-accent-teal);
  border: 1px solid rgba(0, 212, 170, 0.3);
  transition: all 0.3s ease;
}

.radiology-nav .details-button:hover {
  background: rgba(0, 212, 170, 0.25);
  box-shadow: 0 0 12px rgba(0, 212, 170, 0.2);
}

/* Main Container Layout */
.radiology-container {
  display: grid;
  grid-template-columns: 240px 1fr 400px;
  gap: 24px;
  padding: 24px 32px;
  flex-grow: 1;
  z-index: 1;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  min-height: 0; /* Important for grid item scrollability */
}

@media (max-width: 1200px) {
  .radiology-container {
    grid-template-columns: 200px 1fr;
    grid-template-rows: auto;
  }
  .radiology-report-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .radiology-container {
    grid-template-columns: 1fr;
  }
  .radiology-sidebar,
  .radiology-main,
  .radiology-report-panel {
    grid-column: 1 / -1;
  }
}

/* Sidebar: Case Selection */
.radiology-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-group h3 {
  font-family: 'Google Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--sushruta-text-secondary);
  margin: 0 0 12px 0;
  border-left: 3px solid var(--sushruta-accent-teal);
  padding-left: 8px;
}

.case-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-btn {
  font-family: 'Google Sans Text', sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  padding: 12px 16px;
  background: var(--sushruta-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--sushruta-text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.case-btn.active {
  background: rgba(79, 143, 255, 0.12);
  border-color: var(--sushruta-accent-blue);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(79, 143, 255, 0.15);
}

.no-cases {
  font-size: 13px;
  color: #6a6a7a;
  font-style: italic;
}

/* Center Panel: Image Viewer */
.radiology-main {
  min-width: 0;
}

.image-card {
  background: var(--sushruta-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.image-card-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 20px;
  font-family: 'Google Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  color: var(--sushruta-text-secondary);
}

.image-viewer-container {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #05050f;
  padding: 20px;
  min-height: 380px;
}

.radiology-image {
  max-width: 100%;
  max-height: 520px;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.image-loading {
  font-size: 15px;
  color: var(--sushruta-text-secondary);
  animation: pulse 1.5s infinite;
}

.image-placeholder {
  font-size: 14px;
  color: #555565;
}

.image-footer-note {
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 16px;
  font-size: 12px;
  color: #6a6a7a;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Right Panel: Report & Explanations */
.radiology-report-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 0;
}

/* Explanation Card */
.explanation-card {
  background: rgba(79, 143, 255, 0.04);
  border: 1px solid rgba(79, 143, 255, 0.15);
  border-radius: 16px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.explanation-card-header {
  font-family: 'Google Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--sushruta-accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.explanation-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--sushruta-text-primary);
  margin: 0;
}

.generating-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sushruta-accent-blue);
  font-size: 14px;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sushruta-accent-blue);
  animation: glowPulse 1.2s infinite alternate;
}

@keyframes glowPulse {
  0% {
    transform: scale(0.8);
    box-shadow: 0 0 0 rgba(79, 143, 255, 0.5);
  }
  100% {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(79, 143, 255, 0.8);
  }
}

/* Report Text Card */
.report-text-card {
  background: var(--sushruta-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-height: 250px;
}

.report-card-header {
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 20px;
  font-family: 'Google Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--sushruta-text-secondary);
}

.report-body {
  padding: 20px;
  overflow-y: auto;
  flex-grow: 1;
}

.report-paragraph {
  margin-bottom: 16px;
  line-height: 1.7;
}

.report-sentence {
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.report-sentence:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.report-sentence.selected {
  background: rgba(0, 212, 170, 0.15);
  border-left: 2px solid var(--sushruta-accent-teal);
  color: #ffffff;
  font-weight: 500;
}

.placeholder-text {
  color: #555565;
  font-style: italic;
  font-size: 14px;
}

/* Footer & Disclaimer */
.radiology-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1;
}

.warning-icon {
  color: #d4a373;
  font-size: 20px;
}

.radiology-footer .disclaimer-text {
  font-size: 12px;
  color: #8a8a9a;
  margin: 0;
  line-height: 1.4;
}

/* Small Loaders */
.small-loader {
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top: 2px solid var(--sushruta-accent-teal);
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  margin: 10px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}