@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --border-color: rgba(226, 232, 240, 0.8);
    --border-hover: rgba(99, 102, 241, 0.35);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #4f46e5; /* Royal Indigo */
    --primary-grad: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    --accent-green: #059669;
    --accent-green-bg: rgba(5, 150, 105, 0.08);
    --accent-red: #e11d48;
    --accent-red-bg: rgba(225, 29, 72, 0.08);
    --accent-orange: #d97706;
    --accent-orange-bg: rgba(217, 119, 6, 0.08);
    
    --transition-speed: 0.3s;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius: 16px;
    --shadow-premium: 0 10px 30px -5px rgba(15, 23, 42, 0.05), 0 4px 12px -2px rgba(15, 23, 42, 0.02);
    --shadow-hover: 0 20px 40px -10px rgba(79, 70, 229, 0.12), 0 8px 16px -4px rgba(79, 70, 229, 0.04);
}

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

body {
    background-color: var(--bg-body);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(8, 145, 178, 0.05) 0%, transparent 45%);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    font-weight: 600;
}

/* Header / Navigation */
header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.logo-icon-container {
    width: 40px;
    height: 40px;
    background: var(--primary-grad);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px -4px rgba(79, 70, 229, 0.4);
}

.logo-icon-container span {
    font-size: 1.35rem;
    color: white;
    font-weight: 800;
}

.logo-text-area {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.logo-title span {
    background: linear-gradient(to right, #4f46e5, #0891b2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background-color: rgba(79, 70, 229, 0.05);
}

/* Disclaimer Banner */
.disclaimer-banner {
    max-width: 1200px;
    width: calc(100% - 4rem);
    margin: 1.5rem auto 0 auto;
    background: linear-gradient(90deg, #fffbeb 0%, #fff1f2 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.02);
}

.disclaimer-icon {
    font-size: 1.35rem;
    flex-shrink: 0;
}

.disclaimer-text {
    font-size: 0.88rem;
    font-weight: 500;
    color: #78350f;
    line-height: 1.5;
}

.disclaimer-text strong {
    color: #be123c;
    font-weight: 700;
}

/* Layout Wrapper */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

/* Feature Pages Header */
.page-header {
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-speed);
    font-size: 1.2rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.back-btn:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.05);
}

/* Content Grid Layout */
.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 900px) {
    .content-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
    .content-grid.single-col {
        grid-template-columns: 1fr;
    }
}

.analyzer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-premium);
}

/* Upload zone design */
.upload-zone {
    border: 2px dashed rgba(79, 70, 229, 0.2);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    background-color: #fafbfc;
    transition: all var(--transition-speed);
    position: relative;
    margin-bottom: 1.5rem;
}

.upload-zone:hover {
    border-color: var(--primary);
    background-color: rgba(79, 70, 229, 0.02);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    transition: color var(--transition-speed);
}

.upload-zone:hover .upload-icon {
    color: var(--primary);
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-subtext {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.selected-filename {
    margin-top: 1rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: none;
}

/* Form inputs styling */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-speed);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
.btn-primary {
    background: var(--primary-grad);
    color: white;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: 8px;
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
    transform: translateY(-1px);
}

.error-banner {
    background-color: var(--accent-red-bg);
    border: 1px solid rgba(225, 29, 72, 0.2);
    color: #9f1239;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

/* Features Dashboard Card design */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    transition: var(--transition-smooth);
}

.card-discharge::before { background-color: var(--primary); }
.card-substitute::before { background-color: var(--accent-orange); }
.card-blood::before { background-color: var(--accent-red); }
.card-symptom::before { background-color: #0891b2; }
.card-records::before { background-color: #10b981; }

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(79, 70, 229, 0.15);
}

.card-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    transition: var(--transition-smooth);
}

.card-discharge .card-icon-wrapper { background: rgba(79, 70, 229, 0.06); color: var(--primary); }
.card-substitute .card-icon-wrapper { background: rgba(217, 119, 6, 0.06); color: var(--accent-orange); }
.card-blood .card-icon-wrapper { background: rgba(225, 29, 72, 0.06); color: var(--accent-red); }
.card-symptom .card-icon-wrapper { background: rgba(8, 145, 178, 0.06); color: #0891b2; }

.feature-card:hover .card-icon-wrapper {
    transform: scale(1.08) rotate(-2deg);
}

.card-icon {
    font-size: 1.65rem;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.75rem;
    transition: var(--transition-smooth);
}

.feature-card:hover .card-title { color: var(--primary); }
.card-substitute:hover .card-title { color: var(--accent-orange); }
.card-blood:hover .card-title { color: var(--accent-red); }
.card-symptom:hover .card-title { color: #0891b2; }
.card-records:hover .card-title { color: #10b981; }

.card-description {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.card-action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.92rem;
    transition: var(--transition-smooth);
}

.card-discharge .card-action { color: var(--primary); }
.card-substitute .card-action { color: var(--accent-orange); }
.card-blood .card-action { color: var(--accent-red); }
.card-symptom .card-action { color: #0891b2; }

.feature-card:hover .card-action {
    transform: translateX(5px);
}

/* Chat loaders and bounce animation */
.chat-loading {
    display: flex;
    gap: 4px;
}

.chat-loading span {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.chat-loading span:nth-child(1) { animation-delay: -0.32s; }
.chat-loading span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glossary Result Dashboard styling */
.recovery-dashboard {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    margin-top: 1.5rem;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.dashboard-banner {
    background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    border-radius: 18px;
    padding: 1.5rem 2rem;
    color: white;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.15);
}

.banner-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.banner-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
    color: white;
}

.banner-subtitle {
    font-size: 0.92rem;
    opacity: 0.9;
}

/* Glossary Cards Layout */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.glossary-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    border-left: 5px solid var(--primary);
    display: flex;
    flex-direction: column;
}

.glossary-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(79, 70, 229, 0.15);
    border-left-color: #06b6d4;
}

.glossary-card-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.glossary-badge {
    align-self: flex-start;
    background-color: rgba(79, 70, 229, 0.05);
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.15rem 0.5rem;
    border-radius: 20px;
}

.glossary-term-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f172a;
}

.hindi-badge {
    font-size: 0.85rem;
    color: #0d9488;
    background-color: #ccfbf1;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    align-self: flex-start;
    font-weight: 600;
}

.glossary-definition {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border-color);
    background-color: #ffffff;
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: auto;
    font-weight: 500;
}