:root {
    --bg-dark: #0a0e17;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-input: rgba(0, 0, 0, 0.4);
    --neon-green: #00ff41;
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff00ff;
    --neon-yellow: #f0ff00;
    --neon-red: #ff0040;
    --text-primary: #e0e6ed;
    --text-muted: #6b7280;
    --border-glow: rgba(0, 255, 65, 0.3);
    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
    --radius: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-mono);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

#matrix-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

.scanlines {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 1;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

.glow-orb-1 {
    width: 400px; height: 400px;
    background: var(--neon-green);
    top: -100px; right: -100px;
}

.glow-orb-2 {
    width: 300px; height: 300px;
    background: var(--neon-cyan);
    bottom: -50px; left: -50px;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.app-wrapper {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.cyber-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(10, 14, 23, 0.9);
    border-bottom: 1px solid var(--border-glow);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
}

.brand-icon {
    color: var(--neon-green);
    animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
    50% { opacity: 0; }
}

.brand-text {
    background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--neon-green);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: var(--neon-green);
    transition: var(--transition);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Cards */
.cyber-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), var(--neon-cyan), transparent);
    animation: scan-line 3s linear infinite;
}

@keyframes scan-line {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.cyber-card:hover {
    border-color: rgba(0, 255, 65, 0.5);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.1);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Stats */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

.stat-topup-btn {
    margin-top: 0.75rem;
    padding: 0.35rem 0.85rem;
    font-size: 0.7rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300f0ff'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-green), #00cc33);
    color: var(--bg-dark);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
}

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

.btn-danger {
    background: transparent;
    color: var(--neon-red);
    border: 1px solid var(--neon-red);
}

.btn-danger:hover {
    background: rgba(255, 0, 64, 0.1);
    box-shadow: 0 0 20px rgba(255, 0, 64, 0.2);
}

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.75rem; }
.btn-block { width: 100%; }

.btn-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Auth Pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 4rem);
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glitch 5s infinite;
}

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 1px); }
    94% { transform: translate(2px, -1px); }
    96% { transform: translate(-1px, -1px); }
    98% { transform: translate(1px, 1px); }
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.auth-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    text-align: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.auth-tab.active,
.auth-tab:hover {
    color: var(--neon-green);
    border-bottom-color: var(--neon-green);
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
}

.auth-links a {
    color: var(--neon-cyan);
    text-decoration: none;
}

.auth-links a:hover { text-shadow: 0 0 10px var(--neon-cyan); }

/* Tables */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
}

.cyber-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.cyber-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.75rem;
    border-bottom: 1px solid var(--border-glow);
    white-space: nowrap;
}

.cyber-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: middle;
}

.cyber-table tr:hover td {
    background: rgba(0, 255, 65, 0.03);
}

.cyber-table .mono {
    font-family: var(--font-mono);
    color: var(--neon-green);
    font-size: 0.8rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-success { background: rgba(0,255,65,0.15); color: var(--neon-green); }
.badge-danger { background: rgba(255,0,64,0.15); color: var(--neon-red); }
.badge-warning { background: rgba(240,255,0,0.15); color: var(--neon-yellow); }
.badge-muted { background: rgba(107,114,128,0.15); color: var(--text-muted); }

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    border-left: 3px solid;
}

.alert-success { background: rgba(0,255,65,0.1); border-color: var(--neon-green); color: var(--neon-green); }
.alert-error { background: rgba(255,0,64,0.1); border-color: var(--neon-red); color: var(--neon-red); }
.alert-info { background: rgba(0,240,255,0.1); border-color: var(--neon-cyan); color: var(--neon-cyan); }
.alert-warning { background: rgba(240,255,0,0.1); border-color: var(--neon-yellow); color: var(--neon-yellow); }

.animate-in {
    animation: slideIn 0.4s ease-out;
}

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

/* License Key Display */
.license-display {
    background: var(--bg-input);
    border: 1px dashed var(--neon-green);
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0,255,65,0.3);
    cursor: pointer;
    transition: var(--transition);
    user-select: all;
}

.license-display:hover {
    box-shadow: 0 0 20px rgba(0,255,65,0.2);
}

.stat-license {
    font-size: 1.4rem;
    letter-spacing: 4px;
    padding: 0.5rem;
    border: none;
    background: transparent;
}

/* OTP */
.otp-stat-card {
    position: relative;
}

.otp-display {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    transition: opacity 0.2s;
    cursor: pointer;
    user-select: all;
}

.copy-on-click:hover {
    filter: brightness(1.15);
}

.otp-display.otp-flash {
    animation: otpPulse 0.4s ease;
}

@keyframes otpPulse {
    0% { opacity: 0.3; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    padding: 0.75rem 1.25rem;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--neon-green);
    border-left: 3px solid var(--neon-green);
    border-radius: var(--radius);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.2s forwards;
    backdrop-filter: blur(10px);
}

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

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

/* Footer */
.cyber-footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.blink { animation: blink 2s step-end infinite; }

@keyframes blink {
    50% { opacity: 0; }
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.page-header p {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Topup amounts */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.amount-btn {
    padding: 1rem;
    background: var(--bg-input);
    border: 1px solid rgba(0,240,255,0.2);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.amount-btn:hover,
.amount-btn.selected {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 15px rgba(0,255,65,0.2);
}

/* Settings sections */
.settings-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.settings-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.settings-section h3 {
    font-family: var(--font-display);
    color: var(--neon-cyan);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .cyber-nav { padding: 1rem; }
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        background: rgba(10, 14, 23, 0.98);
        padding: 1rem;
        border-bottom: 1px solid var(--border-glow);
        gap: 0.75rem;
    }

    .nav-links.open { display: flex; }

    .main-content { padding: 1rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .cyber-card { padding: 1.25rem; }
    .page-header h1 { font-size: 1.3rem; }
    .stat-value { font-size: 1.5rem; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; }
}

@media (max-width: 480px) {
    .auth-logo h1 { font-size: 1.5rem; }
    .cyber-table { font-size: 0.75rem; }
    .cyber-table th, .cyber-table td { padding: 0.5rem; }
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-green { color: var(--neon-green); }
.text-cyan { color: var(--neon-cyan); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }

/* Profile */
.profile-avatar-section {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.avatar-preview-wrap {
    position: relative;
    width: 96px;
    height: 96px;
    flex-shrink: 0;
}

.avatar-preview {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
    background: var(--bg-input);
}

.avatar-initials {
    display: none;
}

input[type="file"].form-input {
    padding: 0.5rem;
    cursor: pointer;
}

input[type="file"].form-input::file-selector-button {
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
    margin-right: 0.75rem;
}

input[type="file"].form-input::file-selector-button:hover {
    background: rgba(0, 240, 255, 0.1);
}

.otp-input-field {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 8px;
    font-family: var(--font-display);
}

/* Support widget */
.support-widget {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.1);
}

.support-widget-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-green);
}

.support-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.support-btn svg {
    width: 22px;
    height: 22px;
}

.support-whatsapp {
    background: rgba(37, 211, 102, 0.15);
    color: #25d366;
    border-color: rgba(37, 211, 102, 0.4);
}

.support-whatsapp:hover {
    background: rgba(37, 211, 102, 0.3);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
    transform: scale(1.08);
}

.support-telegram {
    background: rgba(0, 136, 204, 0.15);
    color: #0088cc;
    border-color: rgba(0, 136, 204, 0.4);
}

.support-telegram:hover {
    background: rgba(0, 136, 204, 0.3);
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.3);
    transform: scale(1.08);
}

@media (max-width: 768px) {
    .support-widget {
        bottom: 1rem;
        left: 1rem;
        padding: 0.5rem;
    }

    .support-btn {
        width: 40px;
        height: 40px;
    }

    .toast-container {
        bottom: auto;
        top: 1rem;
        right: 1rem;
    }
}