/* ==========================================
   GLAUCOMA RAG & DECISION FRAMEWORK STYLES
   Theme: Clinical Dark Space (Glassmorphic)
   ========================================== */

:root {
    --bg-base: #070b19;
    --bg-surface: rgba(16, 22, 46, 0.65);
    --bg-surface-solid: #10162e;
    --bg-surface-hover: rgba(26, 34, 69, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(6, 182, 212, 0.25);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Harmonious HSL colors */
    --color-normal: #10b981;      /* Emerald Green */
    --color-warning: #f59e0b;     /* Amber */
    --color-danger: #ef4444;      /* Crimson */
    --color-accent: #06b6d4;      /* Cyan */
    --color-accent-rgb: 6, 182, 212;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    padding: 1.5rem;
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ==========================================
   HEADER
   ========================================== */
.app-header {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.header-icon {
    font-size: 2.25rem;
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
    animation: eye-pulse 4s infinite ease-in-out;
}

.title-meta h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.book-tag {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-accent);
}

/* ==========================================
   PANEL LAYOUT
   ========================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.panel-header h2 i {
    color: var(--color-accent);
}

.panel-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ==========================================
   INPUTS AND SLIDERS
   ========================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 500;
}

.label-row label {
    color: var(--text-secondary);
}

.value-display {
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Custom Slider Styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.8);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: #fff;
    box-shadow: 0 0 15px rgba(6, 182, 212, 1);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.8);
    transition: var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: #fff;
    box-shadow: 0 0 15px rgba(6, 182, 212, 1);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================
   CHECKBOXES
   ========================================== */
.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.section-sublabel {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.checkbox-container {
    display: block;
    position: relative;
    padding-left: 2rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    user-select: none;
    transition: var(--transition-fast);
}

.checkbox-container:hover {
    color: var(--text-primary);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.4);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid #070b19;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.chk-label {
    vertical-align: middle;
}

/* ==========================================
   FUNDUS IMAGE MOCK SELECTOR
   ========================================== */
.image-select-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.image-option {
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 0.75rem;
    text-align: center;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.image-option:hover {
    border-color: rgba(6, 182, 212, 0.4);
    background: rgba(6, 182, 212, 0.03);
}

.image-option.active {
    border-color: var(--color-accent);
    background: rgba(6, 182, 212, 0.08);
    box-shadow: var(--shadow-glow);
}

.img-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #e28a55; /* warm orange backing representing the fundus background */
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #000;
}

.disc-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #ffcc99; /* optic disc bright yellowish area */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cup-circle {
    border-radius: 50%;
    background: #ffe6cc; /* optic cup, brighter pale center */
    border: 1px dashed #d97706;
}

.normal-cup {
    width: 18px; /* CDR ~0.3 */
    height: 18px;
}

.glaucoma-cup {
    width: 48px; /* CDR ~0.8 */
    height: 48px;
}

.image-option span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.image-option.active span {
    color: var(--text-primary);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn-glow {
    background: linear-gradient(135deg, var(--color-accent) 0%, #0891b2 100%);
    border: none;
    border-radius: 12px;
    color: #070b19;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    padding: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
    background: linear-gradient(135deg, #22d3ee 0%, var(--color-accent) 100%);
}

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

/* ==========================================
   METRICS ROW (TOP OF RIGHT PANEL)
   ========================================== */
.metrics-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .metrics-row {
        grid-template-columns: 1fr;
    }
}

.metric-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.risk-card::before { background: var(--color-normal); }
.pressure-card::before { background: var(--color-accent); }
.target-card::before { background: var(--color-warning); }

.card-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.card-large-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.card-large-val .unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.card-subtext {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.25rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-normal);
    transition: width var(--transition-smooth);
}

/* ==========================================
   CONSOLE AND TABS
   ========================================== */
.console-tabs-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1rem;
    gap: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 1rem 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.tab-content {
    display: none;
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    min-height: 380px;
    max-height: 480px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* Terminal Console View */
.console-terminal {
    background: #030712;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    padding: 1.25rem;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

.terminal-line {
    line-height: 1.5;
    animation: fade-in-up 0.3s ease-out both;
    word-break: break-word;
}

.terminal-line.system-msg {
    color: var(--text-muted);
    font-style: italic;
}

.terminal-line.success-msg {
    color: var(--color-normal);
}

/* Citations list design */
.citations-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.citation-card {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    transition: var(--transition-fast);
    animation: fade-in-up 0.4s ease-out both;
}

.citation-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    background: rgba(6, 182, 212, 0.01);
}

.citation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
}

.citation-source {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.citation-score {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-normal);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
}

.citation-topic {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.citation-body {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Markdown Medical Report rendering */
.medical-report-markdown {
    line-height: 1.6;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.medical-report-markdown h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.25rem;
}

.medical-report-markdown h3:first-of-type {
    margin-top: 0;
}

.medical-report-markdown p {
    margin-bottom: 0.75rem;
}

.medical-report-markdown hr {
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 1.25rem 0;
}

.medical-report-markdown ul {
    margin-left: 1.25rem;
    margin-bottom: 1rem;
}

.medical-report-markdown li {
    margin-bottom: 0.4rem;
}

.medical-report-markdown strong {
    color: var(--text-primary);
}

.empty-msg {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 3rem 0;
}

/* ==========================================
   CHAPTER RESOURCES EXPANDABLE DRAWER
   ========================================== */
.chapter-resources {
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.3);
    margin-top: 1rem;
    transition: var(--transition-smooth);
}

.drawer-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.drawer-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-left i {
    color: var(--color-warning);
    font-size: 1.25rem;
}

.header-left h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.instruction-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.drawer-arrow {
    transition: transform var(--transition-smooth);
    color: var(--text-secondary);
}

.drawer-body {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    display: none; /* toggled by javascript */
}

/* Opened state classes added by JS */
.chapter-resources.expanded .drawer-body {
    display: block;
}

.chapter-resources.expanded .drawer-arrow {
    transform: rotate(180deg);
}

.resource-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .resource-columns {
        grid-template-columns: 1fr;
    }
}

.resource-block {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
}

.block-header h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-copy:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.block-content {
    background: #030712;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    max-height: 250px;
    overflow-y: auto;
}

.block-content pre, .block-content textarea {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: #10b981;
    background: transparent;
    border: none;
    width: 100%;
    height: 100%;
    resize: none;
    line-height: 1.4;
    outline: none;
}

.mermaid-preview {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.mermaid-preview h5, .chapter-explanation h5 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.mermaid svg {
    max-height: 220px;
}

.chapter-explanation {
    background: rgba(245, 158, 11, 0.04);
    border: 1px solid rgba(245, 158, 11, 0.1);
    border-radius: 8px;
    padding: 1rem;
}

.chapter-explanation p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   ANIMATIONS & EFFECTS
   ========================================== */
@keyframes eye-pulse {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        color: #22d3ee;
        transform: scale(1.05);
        text-shadow: 0 0 15px rgba(34, 211, 238, 0.8);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}