:root {
    --primary-bg: #020617;
    /* Slate-950 */
    --accent-color: #10b981;
    /* Emerald-500 */
    --accent-hover: #059669;
    /* Emerald-600 */
    --secondary-accent: #6366f1;
    /* Indigo-500 */
    --text-color: #e2e8f0;
    /* Slate-200 */
    --heading-color: #ffffff;
    /* White */
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(51, 65, 85, 0.5);
    --nav-bg: rgba(2, 6, 23, 0.7);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--primary-bg);
    background-image: radial-gradient(circle at top left, var(--secondary-accent), transparent 40%);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Glassmorphism Utilities */
.glass-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    box-shadow: var(--shadow);
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* Navigation */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--accent-color);
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

/* Layout */
.container {
    max-width: 1200px;
    width: 90%;
    margin: 4rem auto 2rem;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 50px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 1rem;
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.icon-btn:hover {
    color: #ef4444;
    /* Red for remove */
}

/* Result Section */
.result-section {
    width: 100%;
    max-width: 800px;
    margin-top: 3rem;
    animation: slideUp 0.8s ease-out;
}

.result-card {
    margin-bottom: 2rem;
}

.result-card h2 {
    color: var(--heading-color);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.symptom-item,
.medicine-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 15px;
    margin-bottom: 1rem;
}

.tag {
    display: inline-block;
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-color);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
    padding: 1rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.cute-warning {
    font-size: 0.9rem;
    font-style: italic;
}

/* Loader */
.loading-section {
    text-align: center;
    margin-top: 3rem;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid var(--glass-border);
    border-bottom-color: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-bottom: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.hidden {
    display: none;
}

/* Particles & Cursor */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, background-color 0.1s ease;
    box-shadow: 0 0 10px var(--accent-color);
}

.cursor.active {
    transform: translate(-50%, -50%) scale(1.5);
    background-color: rgba(16, 185, 129, 0.2);
}