@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root {
    --primary: #0F172A;
    --primary-dark: #020617;
    --primary-light: #E2E8F0;
    --primary-50: #F8FAFC;
    --accent: #334155;
    --accent-light: #E2E8F0;
    --warning: #475569;
    --warning-light: #F1F5F9;
    --danger: #DC2626;
    --danger-light: #FEE2E2;
    --success: #0F172A;
    --success-light: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --surface: #FFFFFF;
    --background: #F8FAFC;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
    --glass-bg: rgba(255, 255, 255, 0.68);
    --glass-bg-strong: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(255, 255, 255, 0.45);
    --glass-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
    --glass-blur: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background:
        radial-gradient(900px 500px at 15% 10%, rgba(15, 23, 42, 0.14), transparent 60%),
        radial-gradient(800px 500px at 85% 18%, rgba(51, 65, 85, 0.10), transparent 55%),
        radial-gradient(900px 600px at 50% 95%, rgba(2, 6, 23, 0.08), transparent 65%),
        var(--background);
    direction: rtl;
    text-align: right;
    min-height: 100vh;
}

body::before,
body::after {
    content: '';
    position: fixed;
    inset: auto;
    width: 520px;
    height: 520px;
    border-radius: 999px;
    filter: blur(60px);
    opacity: 0.45;
    pointer-events: none;
    z-index: -1;
    transform: translate3d(0, 0, 0);
}

body::before {
    top: -160px;
    right: -180px;
    background: radial-gradient(circle at 30% 30%, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0));
    animation: floatBlobA 14s ease-in-out infinite;
}

body::after {
    bottom: -220px;
    left: -220px;
    background: radial-gradient(circle at 30% 30%, rgba(51, 65, 85, 0.45), rgba(51, 65, 85, 0));
    animation: floatBlobB 16s ease-in-out infinite;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary);
}

img {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #334155 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0F172A 100%);
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow);
}

.btn-secondary {
    background: var(--glass-bg-strong);
    color: var(--primary);
    border: 1px solid rgba(15, 23, 42, 0.18);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #B91C1C;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 17px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.card {
    background: var(--glass-bg);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    padding: 24px;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.card:hover {
    box-shadow: 0 20px 55px rgba(15, 23, 42, 0.16);
    transform: translateY(-4px);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.header {
    background: rgba(255, 255, 255, 0.68);
    border-bottom: 1px solid rgba(226, 232, 240, 0.55);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.22);
    animation: pulseGlow 3.2s ease-in-out infinite;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--background);
    color: var(--primary);
}

.hero {
    background: linear-gradient(135deg, rgba(240, 253, 250, 0.65) 0%, rgba(255, 255, 255, 0.45) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.hero .hero-slogan {
    font-size: 3.25rem;
    font-weight: 900;
    margin-bottom: 12px;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.hero .hero-slogan::after {
    content: '';
    display: block;
    width: 72px;
    height: 4px;
    background: var(--primary);
    border-radius: 999px;
    margin: 12px auto 0;
    opacity: 0.25;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.disclaimer {
    background: rgba(254, 243, 199, 0.55);
    border: 1px solid rgba(217, 119, 6, 0.22);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 32px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.disclaimer-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--warning);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.disclaimer-content h3 {
    font-size: 15px;
    color: var(--warning);
    margin-bottom: 4px;
}

.disclaimer-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.features {
    padding: 60px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    text-align: center;
    padding: 32px 24px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.10);
}

.feature-card h3 {
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
}

@media (max-width: 640px) {
    .hero .hero-slogan {
        font-size: 2.75rem;
    }
}

.symptom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.symptom-card {
    background: var(--glass-bg);
    border: 1px solid rgba(226, 232, 240, 0.85);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.symptom-card:hover {
    border-color: var(--primary);
    background: rgba(240, 253, 250, 0.65);
    transform: translateY(-3px);
}

.symptom-card.selected {
    border-color: var(--primary);
    background: rgba(204, 251, 241, 0.7);
}

.symptom-card input {
    display: none;
}

.symptom-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.symptom-card h4 {
    font-size: 14px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.10);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748B' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    padding-left: 40px;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.radio-item,
.checkbox-item {
    position: relative;
}

.radio-item input,
.checkbox-item input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.radio-item input:checked + .radio-label,
.checkbox-item input:checked + .checkbox-label {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.result-section {
    margin-bottom: 32px;
}

.result-section h2 {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.result-section h2 .icon {
    width: 36px;
    height: 36px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.condition-card {
    border-right: 4px solid var(--primary);
}

.condition-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}

.condition-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
}

.condition-score {
    background: linear-gradient(135deg, var(--primary) 0%, #334155 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.condition-summary {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.medicine-card {
    border-right: 4px solid var(--accent);
}

.medicine-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.medicine-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.medicine-name {
    font-size: 16px;
    font-weight: 700;
}

.medicine-form {
    font-size: 13px;
    color: var(--text-muted);
}

.medicine-info {
    display: grid;
    gap: 12px;
}

.medicine-info-item {
    display: flex;
    gap: 8px;
}

.medicine-info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 100px;
}

.medicine-info-value {
    color: var(--text-primary);
}

.warning-box {
    background: rgba(254, 226, 226, 0.52);
    border: 1px solid rgba(220, 38, 38, 0.35);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.warning-box.warning {
    background: rgba(254, 243, 199, 0.52);
    border-color: rgba(217, 119, 6, 0.35);
}

.warning-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.warning-icon {
    width: 40px;
    height: 40px;
    background: var(--danger);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.warning-box.warning .warning-icon {
    background: var(--warning);
}

.warning-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--danger);
}

.warning-box.warning .warning-title {
    color: var(--warning);
}

.warning-content {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.warning-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(220, 38, 38, 0.35);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.warning-action:hover {
    background: var(--danger);
    color: white;
}

.warning-box.warning .warning-action {
    border-color: var(--warning);
    color: var(--warning);
}

.warning-box.warning .warning-action:hover {
    background: var(--warning);
    color: white;
}

.tip-card {
    background: var(--success-light);
    border-right: 4px solid var(--success);
}

.tip-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.tip-icon {
    font-size: 20px;
}

.tip-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--success);
}

.tip-content {
    color: var(--text-secondary);
}

.footer {
    background: radial-gradient(1200px 500px at 50% 0%, rgba(148, 163, 184, 0.22), transparent 60%), var(--text-primary);
    color: white;
    padding: 48px 0 24px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 24px;
    text-align: center;
    color: #94A3B8;
    font-size: 14px;
}

.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    background: var(--border);
    color: var(--text-muted);
}

.progress-step.active .step-number {
    background: var(--primary);
    color: white;
}

.progress-step.completed .step-number {
    background: var(--success);
    color: white;
}

.step-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.progress-step.active .step-label {
    color: var(--primary);
    font-weight: 600;
}

.progress-line {
    width: 40px;
    height: 2px;
    background: var(--border);
}

.progress-line.active {
    background: var(--primary);
}

.symptoms-selected {
    background: var(--glass-bg-strong);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.selected-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.selected-chip .remove {
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.selected-chip .remove:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .hero {
        padding: 40px 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .symptom-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .header-inner {
        flex-wrap: wrap;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

.print-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.print-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.06) translateY(-2px);
}

.reveal {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
    filter: blur(2px);
    transition: opacity 0.6s ease, transform 0.6s ease, filter 0.6s ease;
    will-change: opacity, transform, filter;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

@keyframes floatBlobA {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-18px, 26px) scale(1.06); }
}

@keyframes floatBlobB {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(22px, -18px) scale(1.07); }
}

@keyframes pulseGlow {
    0%, 100% { transform: translateZ(0) scale(1); filter: saturate(1); }
    50% { transform: translateZ(0) scale(1.03); filter: saturate(1.15); }
}

@keyframes slideIn {
    from { transform: translateX(-10px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
        filter: none;
        transition: none;
    }
    body::before,
    body::after,
    .logo-icon {
        animation: none;
    }
}

@media print {
    .header,
    .footer,
    .btn,
    .print-btn,
    .warning-action {
        display: none !important;
    }

    .result-container {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}