/* ============================================
   HACKER ACADEMY — MASTER STYLESHEET
   Premium Cyberpunk Design System
   Founded & Owned by Er. Priyanshu Sharma
   File: css/style.css
   Version: 1.0.0
============================================ */

/* ============================================
   1. THEME EXTENSIONS & CSS VARIABLES
============================================ */
:root {
    /* Extended Color Palette */
    --neon-green: #00ff9d;
    --neon-green-dim: #00cc7d;
    --neon-green-bright: #33ffb1;
    --neon-blue: #00d4ff;
    --neon-blue-dim: #00a8cc;
    --neon-purple: #b537f2;
    --neon-pink: #ff2e9a;
    --neon-yellow: #ffd60a;
    --neon-red: #ff3860;
    --neon-orange: #ff7a00;

    /* Cyber Blacks & Grays */
    --cyber-black: #000000;
    --cyber-dark: #05050a;
    --cyber-darker: #020205;
    --cyber-gray: #0a0a14;
    --cyber-gray-2: #12121c;
    --cyber-gray-3: #1a1a2e;
    --cyber-light: #2a2a3e;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --text-dim: #4a4a5e;

    /* Glass Effects */
    --glass-bg: rgba(10, 10, 20, 0.55);
    --glass-bg-light: rgba(20, 20, 35, 0.4);
    --glass-bg-heavy: rgba(5, 5, 10, 0.85);
    --glass-border: rgba(0, 255, 157, 0.15);
    --glass-border-strong: rgba(0, 255, 157, 0.35);
    --glass-shadow: 0 8px 32px rgba(0, 255, 157, 0.08);
    --glass-shadow-strong: 0 20px 60px rgba(0, 255, 157, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff9d 0%, #00d4ff 100%);
    --gradient-secondary: linear-gradient(135deg, #00d4ff 0%, #b537f2 100%);
    --gradient-dark: linear-gradient(135deg, #05050a 0%, #0a0a14 100%);
    --gradient-neon: linear-gradient(135deg, #00ff9d 0%, #00d4ff 50%, #b537f2 100%);
    --gradient-fire: linear-gradient(135deg, #ff2e9a 0%, #ff7a00 100%);
    --gradient-gold: linear-gradient(135deg, #ffd60a 0%, #ff7a00 100%);
    --gradient-mesh: radial-gradient(at 20% 30%, rgba(0, 255, 157, 0.15) 0%, transparent 50%),
                     radial-gradient(at 80% 70%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
                     radial-gradient(at 50% 50%, rgba(181, 55, 242, 0.08) 0%, transparent 60%);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --space-2xl: 64px;
    --space-3xl: 96px;

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --radius-2xl: 48px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.6);
    --shadow-neon: 0 0 20px rgba(0, 255, 157, 0.3);
    --shadow-neon-strong: 0 0 40px rgba(0, 255, 157, 0.5);
    --shadow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-purple: 0 0 20px rgba(181, 55, 242, 0.3);
}

/* ============================================
   2. GLOBAL ANIMATIONS & KEYFRAMES
============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes slideInDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 157, 0.4); }
    50% { box-shadow: 0 0 40px rgba(0, 255, 157, 0.7); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes borderGlow {
    0%, 100% { border-color: var(--neon-green); box-shadow: 0 0 15px rgba(0, 255, 157, 0.3); }
    50% { border-color: var(--neon-blue); box-shadow: 0 0 25px rgba(0, 212, 255, 0.4); }
}

@keyframes textGlow {
    0%, 100% { text-shadow: 0 0 10px rgba(0, 255, 157, 0.5); }
    50% { text-shadow: 0 0 25px rgba(0, 255, 157, 0.9), 0 0 40px rgba(0, 212, 255, 0.5); }
}

@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes ripple {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(4); opacity: 0; }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes morphBlob {
    0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    25% { transform: translate(20px, -30px) scale(1.2); opacity: 0.8; }
    50% { transform: translate(-15px, -60px) scale(0.8); opacity: 0.3; }
    75% { transform: translate(10px, -90px) scale(1.1); opacity: 0.6; }
}

/* ============================================
   3. TYPOGRAPHY SYSTEM
============================================ */
.font-display { font-family: var(--font-display); }
.font-heading { font-family: var(--font-heading); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-neon {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-glow {
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
}

.text-glow-strong {
    text-shadow: 0 0 20px rgba(0, 255, 157, 0.8), 0 0 40px rgba(0, 212, 255, 0.4);
}

.text-neon { color: var(--neon-green); }
.text-blue { color: var(--neon-blue); }
.text-purple { color: var(--neon-purple); }
.text-pink { color: var(--neon-pink); }
.text-yellow { color: var(--neon-yellow); }
.text-red { color: var(--neon-red); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.uppercase { text-transform: uppercase; }
.letter-spacing-wide { letter-spacing: 3px; }
.letter-spacing-wider { letter-spacing: 6px; }

/* ============================================
   4. GLASSMORPHISM UTILITIES
============================================ */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
}

.glass-light {
    background: var(--glass-bg-light);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-heavy {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid var(--glass-border-strong);
}

.glass-hover {
    transition: all 0.4s var(--transition-smooth);
}
.glass-hover:hover {
    border-color: var(--neon-green);
    box-shadow: var(--glass-shadow-strong);
    transform: translateY(-4px);
}

/* ============================================
   5. BUTTON SYSTEM
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--transition-smooth);
    border: none;
    outline: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}
.btn:active::before { width: 400px; height: 400px; }

.btn-primary {
    background: var(--gradient-primary);
    color: var(--cyber-black);
    box-shadow: 0 4px 20px rgba(0, 255, 157, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 255, 157, 0.5);
}
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--cyber-black);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}
.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 212, 255, 0.5);
}

.btn-ghost {
    background: transparent;
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
}
.btn-ghost:hover {
    background: rgba(0, 255, 157, 0.1);
    box-shadow: 0 0 25px rgba(0, 255, 157, 0.3);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border-strong);
}
.btn-outline:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    background: rgba(0, 255, 157, 0.05);
}

.btn-danger {
    background: linear-gradient(135deg, #ff3860 0%, #ff2e9a 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 56, 96, 0.3);
}
.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(255, 56, 96, 0.5);
}

.btn-sm { padding: 8px 18px; font-size: 0.78rem; letter-spacing: 1.5px; }
.btn-lg { padding: 18px 42px; font-size: 1rem; letter-spacing: 2.5px; }
.btn-xl { padding: 22px 52px; font-size: 1.1rem; letter-spacing: 3px; }

.btn-block { width: 100%; }
.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
}

.btn-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

/* ============================================
   6. FORM SYSTEM
============================================ */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--neon-green);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--neon-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.15), 0 0 20px rgba(0, 255, 157, 0.2);
    background: rgba(0, 0, 0, 0.6);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300ff9d' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 45px;
    cursor: pointer;
}

.form-select option {
    background: var(--cyber-dark);
    color: var(--text-primary);
}

.form-helper {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 1px;
}

.form-error {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--neon-red);
    margin-top: 6px;
    letter-spacing: 1px;
    display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
    border-color: var(--neon-red);
    box-shadow: 0 0 0 3px rgba(255, 56, 96, 0.15);
}

.form-group.has-error .form-error { display: block; }

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    appearance: none;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border-strong);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.form-checkbox input[type="checkbox"]:checked {
    background: var(--neon-green);
    border-color: var(--neon-green);
}

.form-checkbox input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--cyber-black);
    font-weight: 900;
    font-size: 0.85rem;
}

/* ============================================
   7. BADGES & TAGS
============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 50px;
    background: rgba(0, 255, 157, 0.1);
    color: var(--neon-green);
    border: 1px solid var(--glass-border);
}

.badge-blue { background: rgba(0, 212, 255, 0.1); color: var(--neon-blue); }
.badge-purple { background: rgba(181, 55, 242, 0.1); color: var(--neon-purple); }
.badge-pink { background: rgba(255, 46, 154, 0.1); color: var(--neon-pink); }
.badge-yellow { background: rgba(255, 214, 10, 0.1); color: var(--neon-yellow); }
.badge-red { background: rgba(255, 56, 96, 0.1); color: var(--neon-red); }

.badge-solid {
    background: var(--neon-green);
    color: var(--cyber-black);
    border-color: transparent;
}

.badge-glow {
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.4);
    animation: pulseGlow 2s ease-in-out infinite;
}

/* ============================================
   8. CARD SYSTEM
============================================ */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--neon-green);
    box-shadow: var(--glass-shadow-strong);
}

.card:hover::before { transform: scaleX(1); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--glass-border);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.card-body { padding: 0; }
.card-footer {
    padding-top: 18px;
    margin-top: 18px;
    border-top: 1px solid var(--glass-border);
}

/* ============================================
   9. PROGRESS BARS
============================================ */
.progress {
    height: 8px;
    background: rgba(0, 255, 157, 0.1);
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50px;
    box-shadow: 0 0 10px var(--neon-green);
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
    background-size: 200% 100%;
}

.progress-lg { height: 12px; }
.progress-sm { height: 4px; }

.progress-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

/* ============================================
   10. AVATARS
============================================ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-neon);
    color: var(--cyber-black);
    font-family: var(--font-display);
    font-weight: 700;
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.3);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-xs { width: 32px; height: 32px; font-size: 0.75rem; }
.avatar-sm { width: 40px; height: 40px; font-size: 0.9rem; }
.avatar-md { width: 50px; height: 50px; font-size: 1.1rem; }
.avatar-lg { width: 70px; height: 70px; font-size: 1.5rem; }
.avatar-xl { width: 100px; height: 100px; font-size: 2rem; }
.avatar-2xl { width: 140px; height: 140px; font-size: 3rem; }

.avatar-group {
    display: flex;
}
.avatar-group .avatar {
    margin-left: -12px;
    border: 2px solid var(--cyber-dark);
}
.avatar-group .avatar:first-child { margin-left: 0; }

/* ============================================
   11. MODAL SYSTEM
============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--cyber-gray);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 30px 80px rgba(0, 255, 157, 0.2);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--neon-red);
    color: white;
    border-color: var(--neon-red);
    transform: rotate(90deg);
}

.modal-body { padding: 28px; }

.modal-footer {
    padding: 20px 28px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   12. TOAST / NOTIFICATIONS
============================================ */
.toast-container {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    min-width: 320px;
    max-width: 420px;
    padding: 16px 20px;
    background: var(--cyber-gray);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 14px;
    pointer-events: auto;
    animation: slideInRight 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(20px);
}

@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.hiding {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideOutRight {
    to { transform: translateX(120%); opacity: 0; }
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(0, 255, 157, 0.15);
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
}
.toast-success { border-left: 3px solid var(--neon-green); }

.toast-error .toast-icon {
    background: rgba(255, 56, 96, 0.15);
    color: var(--neon-red);
    border: 1px solid var(--neon-red);
}
.toast-error { border-left: 3px solid var(--neon-red); }

.toast-info .toast-icon {
    background: rgba(0, 212, 255, 0.15);
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
}
.toast-info { border-left: 3px solid var(--neon-blue); }

.toast-warning .toast-icon {
    background: rgba(255, 214, 10, 0.15);
    color: var(--neon-yellow);
    border: 1px solid var(--neon-yellow);
}
.toast-warning { border-left: 3px solid var(--neon-yellow); }

.toast-content { flex: 1; }
.toast-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2px;
}
.toast-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s ease;
}
.toast-close:hover { color: var(--text-primary); }

/* ============================================
   13. TABLE SYSTEM
============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
}

.table thead {
    background: rgba(0, 255, 157, 0.05);
    border-bottom: 1px solid var(--glass-border);
}

.table th {
    padding: 16px 20px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--neon-green);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(0, 255, 157, 0.03);
}

.table tbody tr:last-child td { border-bottom: none; }

/* ============================================
   14. LOADER / SPINNER
============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 255, 157, 0.15);
    border-top-color: var(--neon-green);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

.spinner-sm { width: 20px; height: 20px; border-width: 2px; }
.spinner-lg { width: 60px; height: 60px; border-width: 4px; }

.spinner-blue {
    border-color: rgba(0, 212, 255, 0.15);
    border-top-color: var(--neon-blue);
}

.dots-loader {
    display: inline-flex;
    gap: 6px;
}
.dots-loader span {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}
.dots-loader span:nth-child(2) { animation-delay: 0.2s; }
.dots-loader span:nth-child(3) { animation-delay: 0.4s; }

/* ============================================
   15. MATRIX CANVAS ENHANCEMENTS
============================================ */
.matrix-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

/* ============================================
   16. TYPED.JS CURSOR
============================================ */
.typed-cursor {
    color: var(--neon-green) !important;
    font-weight: 100;
    animation: blink 0.8s infinite;
    font-size: 1.2em;
}

/* ============================================
   17. VANTA.JS OVERRIDES
============================================ */
#vanta-bg {
    position: absolute !important;
    inset: 0 !important;
    z-index: 0 !important;
}

#vanta-bg canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ============================================
   18. AOS OVERRIDES
============================================ */
[data-aos] {
    pointer-events: auto !important;
}

/* ============================================
   19. DECORATIVE ELEMENTS
============================================ */
.cyber-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--neon-green);
}
.cyber-corner.tl { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.cyber-corner.tr { top: 10px; right: 10px; border-left: none; border-bottom: none; }
.cyber-corner.bl { bottom: 10px; left: 10px; border-right: none; border-top: none; }
.cyber-corner.br { bottom: 10px; right: 10px; border-left: none; border-top: none; }

.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    box-shadow: 0 0 20px var(--neon-green);
    animation: scanline 4s linear infinite;
    pointer-events: none;
    z-index: 5;
}

.grid-bg {
    background-image:
        linear-gradient(rgba(0, 255, 157, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 157, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

.dot-bg {
    background-image: radial-gradient(circle, rgba(0, 255, 157, 0.15) 1px, transparent 1px);
    background-size: 30px 30px;
}

.mesh-bg {
    background: var(--gradient-mesh);
}

/* ============================================
   20. DIVIDERS
============================================ */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent);
    margin: 40px 0;
}

.divider-glow {
    height: 2px;
    background: var(--gradient-primary);
    box-shadow: 0 0 20px var(--neon-green);
    margin: 40px 0;
}

/* ============================================
   21. TOOLTIP
============================================ */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    padding: 8px 14px;
    background: var(--cyber-black);
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.3);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   22. TABS
============================================ */
.tabs {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.3);
    padding: 6px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    margin-bottom: 24px;
    overflow-x: auto;
}

.tab {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

.tab.active {
    background: var(--gradient-primary);
    color: var(--cyber-black);
    font-weight: 600;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.3);
}

/* ============================================
   23. ACCORDION
============================================ */
.accordion-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item.active {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.15);
}

.accordion-header {
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.accordion-header:hover { color: var(--neon-green); }

.accordion-header i {
    color: var(--neon-green);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header i {
    transform: rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-content {
    padding: 0 22px 22px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   24. SKELETON LOADING
============================================ */
.skeleton {
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.03) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 10px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 16px;
}

.skeleton-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.skeleton-image {
    width: 100%;
    aspect-ratio: 16/10;
}

/* ============================================
   25. CODE BLOCKS
============================================ */
.code-block {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--neon-green);
    overflow-x: auto;
    position: relative;
}

.code-block::before {
    content: attr(data-lang);
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.code-inline {
    background: rgba(0, 255, 157, 0.1);
    color: var(--neon-green);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.88em;
    border: 1px solid var(--glass-border);
}

/* ============================================
   26. ALERTS
============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.alert-success {
    background: rgba(0, 255, 157, 0.08);
    border-color: var(--neon-green);
    color: var(--neon-green);
}
.alert-error {
    background: rgba(255, 56, 96, 0.08);
    border-color: var(--neon-red);
    color: var(--neon-red);
}
.alert-info {
    background: rgba(0, 212, 255, 0.08);
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}
.alert-warning {
    background: rgba(255, 214, 10, 0.08);
    border-color: var(--neon-yellow);
    color: var(--neon-yellow);
}

.alert-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.alert-content { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 4px; }
.alert-message { font-size: 0.9rem; line-height: 1.6; opacity: 0.9; }

/* ============================================
   27. UTILITIES
============================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: 4px; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.gap-xl { gap: 40px; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-neon { box-shadow: var(--shadow-neon); }

.hidden { display: none !important; }
.visible { display: block !important; }

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

.transition { transition: all 0.3s ease; }
.transition-fast { transition: all 0.15s ease; }
.transition-slow { transition: all 0.5s ease; }

.no-select { user-select: none; }
.no-scroll { overflow: hidden; }

/* ============================================
   28. ANIMATED BACKGROUNDS
============================================ */
.bg-animated-mesh {
    background:
        radial-gradient(at 20% 30%, rgba(0, 255, 157, 0.15) 0%, transparent 50%),
        radial-gradient(at 80% 70%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(at 50% 50%, rgba(181, 55, 242, 0.08) 0%, transparent 60%),
        var(--cyber-dark);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

.bg-radial-glow {
    background: radial-gradient(ellipse at center, rgba(0, 255, 157, 0.08) 0%, transparent 70%);
}

/* ============================================
   29. SPECIAL EFFECTS
============================================ */
.neon-border {
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3), inset 0 0 15px rgba(0, 255, 157, 0.1);
}

.neon-text {
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.6), 0 0 20px rgba(0, 255, 157, 0.4);
}

.glow-hover {
    transition: all 0.3s ease;
}
.glow-hover:hover {
    box-shadow: 0 0 30px rgba(0, 255, 157, 0.5);
}

.hover-lift {
    transition: transform 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform 0.3s ease;
}
.hover-scale:hover {
    transform: scale(1.05);
}

/* ============================================
   30. SCROLL ANIMATIONS
============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   31. IMAGE EFFECTS
============================================ */
.img-cyber {
    filter: brightness(0.85) contrast(1.1) saturate(1.1);
    transition: all 0.5s ease;
}

.img-cyber:hover {
    filter: brightness(1) contrast(1.15) saturate(1.2);
}

.img-overlay {
    position: relative;
}

.img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(0, 255, 157, 0.15));
    mix-blend-mode: overlay;
    pointer-events: none;
}

/* ============================================
   32. MISC PREMIUM TOUCHES
============================================ */
::selection {
    background: var(--neon-green);
    color: var(--cyber-black);
}

::-moz-selection {
    background: var(--neon-green);
    color: var(--cyber-black);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--neon-green);
    outline-offset: 3px;
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.4s ease;
}

img[loading] {
    opacity: 0;
}

/* Placeholder styling */
::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

/* Hide scrollbar but keep functionality */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* Print styles */
@media print {
    .ha-nav, .ha-footer, .back-to-top, .cursor-glow, .ha-loader { display: none !important; }
    body { background: white; color: black; }
    .glass, .card { background: white; border: 1px solid #ddd; }
}