:root {
    --neon-cyan: #00f0ff;
    --neon-green: #39ff14;
    --neon-purple: #bf00ff;
    --neon-pink: #ff00ff;
    --neon-orange: #ff6b00;
    --neon-yellow: #ffd700;
    --dark-bg: #0a0a0f;
    --darker: #050508;
    --card-bg: rgba(10, 15, 30, 0.8);
    --glass: rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--dark-bg);
    color: #e0e0e0;
    overflow-x: hidden;
    min-height: 100vh;
}

.bg-animation {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 240, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(191, 0, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(57, 255, 20, 0.02) 0%, transparent 50%),
        var(--darker);
}

.grid-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px; pointer-events: none;
}

.floating-particles {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none;
}

.particle {
    position: absolute; color: rgba(0, 240, 255, 0.15);
    font-family: 'Orbitron', monospace; font-size: 14px;
    animation: float-particle linear infinite; user-select: none;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; } 90% { opacity: 1; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* Navigation */
nav {
    position: fixed; top: 0; width: 100%; padding: 15px 30px;
    background: rgba(5, 5, 8, 0.9); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.2); z-index: 1000;
    display: flex; justify-content: space-between; align-items: center;
}

.logo {
    font-family: 'Orbitron', sans-serif; font-size: 1.5rem; font-weight: 900;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
    text-decoration: none;
}

.logo span {
    color: var(--neon-green); -webkit-text-fill-color: var(--neon-green);
}

.nav-links { display: flex; gap: 30px; list-style: none; }

.nav-links a {
    color: #b0b0b0; text-decoration: none; font-weight: 600; font-size: 1rem;
    transition: all 0.3s; position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--neon-cyan); text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.nav-links a::after {
    content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.menu-toggle { display: none; font-size: 1.5rem; color: var(--neon-cyan); cursor: pointer; }

/* Back Button */
.back-switch {
    position: fixed; bottom: 30px; right: 30px; z-index: 999; display: none;
}

.back-switch.visible { display: block; animation: slideInBack 0.4s ease-out; }

@keyframes slideInBack {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.back-btn-floating {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #000; width: 60px; height: 60px; border-radius: 50%; border: none;
    cursor: pointer; font-size: 1.5rem; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4); transition: all 0.3s;
    position: relative; overflow: hidden;
}

.back-btn-floating:hover { transform: scale(1.1); box-shadow: 0 0 50px rgba(0, 240, 255, 0.6); }
.back-btn-floating:active { transform: scale(0.95); }

.back-label {
    position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
    background: var(--card-bg); border: 1px solid var(--neon-cyan);
    padding: 8px 15px; border-radius: 10px; font-size: 0.85rem;
    font-weight: 600; color: var(--neon-cyan); white-space: nowrap;
    opacity: 0; transition: opacity 0.3s; pointer-events: none;
}

.back-btn-floating:hover .back-label { opacity: 1; }

.top-back-bar {
    display: flex; align-items: center; gap: 15px; padding: 15px 30px;
    background: rgba(5, 5, 8, 0.8); border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    margin-top: 70px; animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.top-back-btn {
    background: transparent; border: 2px solid var(--neon-cyan); color: var(--neon-cyan);
    padding: 8px 20px; border-radius: 25px; cursor: pointer;
    font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 0.95rem;
    transition: all 0.3s; display: flex; align-items: center; gap: 8px;
    text-decoration: none;
}

.top-back-btn:hover { background: rgba(0, 240, 255, 0.1); box-shadow: 0 0 20px rgba(0, 240, 255, 0.2); }

.breadcrumb-path { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.breadcrumb-path a { color: var(--neon-cyan); text-decoration: none; font-weight: 600; transition: color 0.3s; }
.breadcrumb-path a:hover { color: var(--neon-purple); }
.breadcrumb-path span { color: #666; }
.breadcrumb-path .current { color: var(--neon-green); font-weight: 700; }

/* Hero */
.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    padding: 100px 20px 50px; position: relative;
}

.hero-content { max-width: 900px; animation: fadeInUp 1s ease-out; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
    font-family: 'Orbitron', sans-serif; font-size: 3.5rem; font-weight: 900;
    margin-bottom: 20px; line-height: 1.2;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero p { font-size: 1.3rem; color: #a0a0a0; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }

.motivation-quote {
    background: var(--glass); border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 15px; padding: 20px 30px; margin: 30px auto; max-width: 700px;
    position: relative; overflow: hidden; animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 240, 255, 0.1); }
    50% { box-shadow: 0 0 30px rgba(0, 240, 255, 0.2); }
}

.motivation-quote::before {
    content: '"'; font-family: 'Orbitron', sans-serif; font-size: 4rem;
    color: rgba(0, 240, 255, 0.2); position: absolute; top: -10px; left: 10px;
}

.motivation-quote p { font-style: italic; color: var(--neon-cyan); font-size: 1.1rem; margin: 0; transition: opacity 0.3s; }
.motivation-quote .author { color: var(--neon-green); font-size: 0.9rem; margin-top: 10px; text-align: right; transition: opacity 0.3s; }

.cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }

.btn {
    padding: 15px 40px; border-radius: 50px; font-family: 'Orbitron', sans-serif;
    font-weight: 700; font-size: 1rem; text-decoration: none; transition: all 0.3s;
    cursor: pointer; border: none; position: relative; overflow: hidden;
    display: inline-flex; align-items: center; gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #000; box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(0, 240, 255, 0.5); }

.btn-secondary {
    background: transparent; color: var(--neon-cyan); border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.btn-secondary:hover { background: rgba(0, 240, 255, 0.1); box-shadow: 0 0 30px rgba(0, 240, 255, 0.3); }

.equation-float {
    position: absolute; font-family: 'Orbitron', monospace; font-size: 1.2rem;
    color: rgba(0, 240, 255, 0.1); animation: float-equation 8s ease-in-out infinite; pointer-events: none;
}

@keyframes float-equation {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

/* Sections / Page Content */
.section { padding: 80px 20px; max-width: 1200px; margin: 0 auto; }
.page-content { animation: fadeIn 0.6s ease-out; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-family: 'Orbitron', sans-serif; font-size: 2.5rem; text-align: center;
    margin-bottom: 50px; position: relative;
}

.section-title::after {
    content: ''; position: absolute; bottom: -15px; left: 50%; transform: translateX(-50%);
    width: 100px; height: 3px; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 3px;
}

.class-cards {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px; margin-bottom: 60px;
}

.class-card {
    background: var(--card-bg); border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px; padding: 40px; text-align: center;
    transition: all 0.4s; position: relative; overflow: hidden; cursor: pointer;
    text-decoration: none; color: inherit; display: block;
}

.class-card::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: left 0.5s;
}

.class-card:hover::before { left: 100%; }

.class-card:hover {
    transform: translateY(-10px); border-color: var(--neon-cyan);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.1);
}

.class-icon { font-size: 3rem; margin-bottom: 20px; }

.class-card h3 {
    font-family: 'Orbitron', sans-serif; font-size: 1.5rem;
    margin-bottom: 15px; color: var(--neon-cyan);
}

.class-card p { color: #a0a0a0; margin-bottom: 20px; font-size: 0.95rem; }

.class-card .subjects {
    display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
}

.subject-tag {
    background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; color: var(--neon-cyan);
}

/* Category Grid */
.category-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--card-bg); border: 1px solid rgba(57, 255, 20, 0.2);
    border-radius: 15px; padding: 25px; text-align: center;
    transition: all 0.3s; cursor: pointer;
    text-decoration: none; color: inherit; display: block;
}

.category-card:hover {
    border-color: var(--neon-green); box-shadow: 0 10px 30px rgba(57, 255, 20, 0.15);
    transform: translateY(-5px);
}

.category-card i { font-size: 2rem; color: var(--neon-green); margin-bottom: 10px; }
.category-card h4 { font-family: 'Orbitron', sans-serif; font-size: 1.1rem; margin-bottom: 8px; }
.category-card p { font-size: 0.85rem; color: #888; }

/* Exam Cards (NEET/JEE) */
.exam-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px; margin-top: 30px;
}

.exam-card {
    background: var(--card-bg); border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: 15px; padding: 25px; text-align: center;
    transition: all 0.3s; cursor: pointer;
    text-decoration: none; color: inherit; display: block;
}

.exam-card:hover {
    border-color: var(--neon-orange); box-shadow: 0 10px 30px rgba(255, 107, 0, 0.2);
    transform: translateY(-5px);
}

.exam-card i { font-size: 2rem; color: var(--neon-orange); margin-bottom: 10px; }
.exam-card h4 { font-family: 'Orbitron', sans-serif; font-size: 1.1rem; margin-bottom: 8px; color: var(--neon-orange); }
.exam-card p { font-size: 0.85rem; color: #888; }

/* File List */
.file-item {
    background: var(--card-bg); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px; padding: 20px 25px; margin-bottom: 15px;
    display: flex; justify-content: space-between; align-items: center;
    transition: all 0.3s;
}

.file-item:hover { border-color: var(--neon-cyan); transform: translateX(5px); }

.file-info { display: flex; align-items: center; gap: 15px; }
.file-icon { font-size: 1.5rem; color: var(--neon-cyan); }

.file-details h4 { font-size: 1.1rem; margin-bottom: 5px; }
.file-details span { font-size: 0.85rem; color: #888; }

.download-btn {
    background: linear-gradient(135deg, var(--neon-green), #00cc00);
    color: #000; padding: 10px 25px; border-radius: 25px;
    text-decoration: none; font-weight: 700; font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem; transition: all 0.3s; border: none; cursor: pointer;
}

.download-btn:hover { transform: scale(1.05); box-shadow: 0 0 20px rgba(57, 255, 20, 0.4); }

/* Ad Placeholder */
.ad-placeholder {
    background: var(--glass); border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 15px; padding: 40px; text-align: center;
    margin: 40px auto; max-width: 728px;
}

.ad-placeholder p { color: #666; font-size: 0.9rem; }
.ad-placeholder i { font-size: 2rem; color: rgba(255, 255, 255, 0.1); margin-bottom: 10px; }

/* Footer */
footer {
    background: var(--darker); border-top: 1px solid rgba(0, 240, 255, 0.1);
    padding: 40px 20px; text-align: center;
}

footer p { color: #666; font-size: 0.9rem; }

footer .social-links { display: flex; gap: 20px; justify-content: center; margin-top: 20px; }
footer .social-links a { color: #888; font-size: 1.3rem; transition: color 0.3s; }
footer .social-links a:hover { color: var(--neon-cyan); }

/* Discipline Section */
.discipline-section {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(191, 0, 255, 0.05));
    border: 1px solid rgba(0, 240, 255, 0.1); border-radius: 20px;
    padding: 40px; margin: 60px auto; max-width: 800px;
    text-align: center; position: relative;
}

.discipline-section::before {
    content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-green));
    border-radius: 22px; z-index: -1; opacity: 0.3;
}

.discipline-section h3 {
    font-family: 'Orbitron', sans-serif; font-size: 1.5rem;
    color: var(--neon-cyan); margin-bottom: 20px;
}

.discipline-section .quote-text {
    font-size: 1.2rem; font-style: italic; color: #e0e0e0; line-height: 1.8;
}

.discipline-section .quote-author { color: var(--neon-green); margin-top: 15px; font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 300px; justify-content: center; }
    .section-title { font-size: 1.8rem; }
    .back-btn-floating { width: 50px; height: 50px; font-size: 1.2rem; }
    .back-label { display: none; }
    .top-back-bar { padding: 10px 15px; flex-wrap: wrap; }
    .class-cards { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .exam-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--darker); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--neon-cyan), var(--neon-purple)); border-radius: 4px; }

/* Toast */
.toast {
    position: fixed; top: 100px; right: 30px;
    background: var(--card-bg); border: 1px solid var(--neon-green);
    border-radius: 12px; padding: 15px 25px; z-index: 1001;
    transform: translateX(400px); transition: transform 0.4s ease-out;
    display: flex; align-items: center; gap: 10px;
}

.toast.show { transform: translateX(0); }
.toast i { color: var(--neon-green); font-size: 1.2rem; }
.toast span { font-weight: 600; color: var(--neon-green); }


/* PDF Viewer Modal */
.pdf-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.95); z-index: 2000;
    display: none; justify-content: center; align-items: center;
    flex-direction: column; padding: 20px;
}

.pdf-modal.active { display: flex; }

.pdf-modal-header {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; max-width: 1000px; margin-bottom: 10px;
}

.pdf-modal-title {
    font-family: 'Orbitron', sans-serif; color: var(--neon-cyan);
    font-size: 1.2rem;
}

.pdf-modal-close {
    background: transparent; border: 2px solid var(--neon-pink);
    color: var(--neon-pink); padding: 8px 20px; border-radius: 25px;
    font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 1rem;
    cursor: pointer; transition: all 0.3s;
}

.pdf-modal-close:hover {
    background: rgba(255, 0, 255, 0.1); box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

.pdf-viewer-frame {
    width: 100%; max-width: 1000px; height: 85vh;
    border: 2px solid rgba(0, 240, 255, 0.3); border-radius: 15px;
    background: var(--darker);
}


/* ===== FILE ACTIONS (View + Download buttons side by side) ===== */
.file-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

.view-btn, .download-btn {
    padding: 12px 24px;
    border-radius: 50px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.view-btn {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #000;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.view-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}

.download-btn {
    background: linear-gradient(135deg, var(--neon-green), #00cc00);
    color: #000;
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.2);
}

.download-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.4);
}

/* Mobile responsive for buttons */
@media (max-width: 768px) {
    .file-actions {
        gap: 8px;
    }
    .view-btn, .download-btn {
        padding: 10px 16px;
        font-size: 0.75rem;
    }
}

/* ===== PDF VIEWER MODAL (Professional) ===== */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 8, 0.98);
    z-index: 2000;
    display: none;
    flex-direction: column;
    animation: modalFadeIn 0.3s ease-out;
}

.pdf-modal.active {
    display: flex;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: rgba(10, 15, 30, 0.9);
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
    backdrop-filter: blur(20px);
}

.pdf-modal-title {
    font-family: 'Orbitron', sans-serif;
    color: var(--neon-cyan);
    font-size: 1.1rem;
    font-weight: 700;
}

.pdf-modal-close {
    background: transparent;
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
    padding: 8px 20px;
    border-radius: 25px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pdf-modal-close:hover {
    background: rgba(255, 0, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
    transf
    .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    }
    /* ===========================================================
   STUDY ESSENTIALS PAGE - PROFESSIONAL REDESIGN
   =========================================================== */

/* --- Search Bar --- */
.se-search-wrap {
    max-width: 600px;
    margin: 0 auto 30px;
    position: relative;
}

.se-search-wrap i {
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--neon-cyan);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 2;
}

.se-search-input {
    width: 100%;
    padding: 16px 25px 16px 55px;
    border: 2px solid rgba(0, 240, 255, 0.25);
    border-radius: 50px;
    background: var(--card-bg);
    color: #e0e0e0;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    outline: none;
    backdrop-filter: blur(10px);
}

.se-search-input::placeholder {
    color: #666;
    font-weight: 500;
}

.se-search-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), inset 0 0 20px rgba(0, 240, 255, 0.05);
}

/* --- Category Pills --- */
.se-categories {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.se-pill {
    padding: 10px 24px;
    border-radius: 50px;
    border: 1px solid rgba(0, 240, 255, 0.2);
    background: var(--card-bg);
    color: #a0a0a0;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.se-pill:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.se-pill.active {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #000;
    border-color: transparent;
    font-weight: 700;
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
}

/* --- Product Grid (Meesho Style) --- */
.se-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 768px) {
    .se-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media (min-width: 1024px) {
    .se-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --- Product Card --- */
.se-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.se-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 15px 35px rgba(0, 240, 255, 0.08);
}

.se-img-box {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--darker);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.se-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.se-card:hover .se-img-box img {
    transform: scale(1.05);
}

.se-img-placeholder {
    color: rgba(0, 240, 255, 0.15);
    font-size: 3rem;
}

.se-info {
    padding: 14px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.se-name {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: #e0e0e0;
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.se-desc {
    font-size: 0.82rem;
    color: #888;
    line-height: 1.4;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.se-buy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ff9900, #ff6b00);
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.se-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.35);
}

.se-buy-btn i {
    font-size: 0.9rem;
}

/* --- No Results --- */
.se-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.se-no-results i {
    font-size: 3rem;
    color: rgba(0, 240, 255, 0.2);
    margin-bottom: 15px;
}

.se-no-results p {
    color: #888;
    font-size: 1.1rem;
}

/* --- Loading State --- */
.se-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--neon-cyan);
    font-size: 1.1rem;
}
    
.content-note{
    margin-top:30px;
    padding:20px;
    background:#f8fbff;
    border-left:5px solid #2563eb;
    border-radius:10px;
}

.content-note h3{
    margin-bottom:10px;
}

.content-note p{
    line-height:1.8;
    color:#444;
}