:root {
    /* Default Neon Orange */
    --neon-color: #ff6a00;
    --neon-glow: rgba(255, 106, 0, 0.6);
    --bg-dark: #0a0a0c;
    --glass-bg: rgba(20, 20, 25, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
}

body.theme-blue {
    --neon-color: #00f3ff;
    --neon-glow: rgba(0, 243, 255, 0.6);
}

body.theme-red {
    --neon-color: #ff003c;
    --neon-glow: rgba(255, 0, 60, 0.6);
}

body.theme-yellow {
    --neon-color: #ffea00;
    --neon-glow: rgba(255, 234, 0, 0.6);
}

body.theme-green {
    --neon-color: #00ff66;
    --neon-glow: rgba(0, 255, 102, 0.6);
}

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

body {
    font-family: sans-serif;
    font-weight: 800;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100vh;
    transition: background-color 0.5s ease;
    /* Beautiful subtle dynamic background */
    background:
        radial-gradient(circle at 15% 50%, var(--neon-glow) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    background-color: var(--bg-dark);
    background-attachment: fixed;
}

/* Typography & Neon */
.neon-text {
    font-family: sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    white-space: nowrap;
    color: #fff;
    text-shadow:
        0 0 5px #fff,
        0 0 10px #fff,
        0 0 20px var(--neon-color),
        0 0 40px var(--neon-color),
        0 0 80px var(--neon-color);
    margin-bottom: 1rem;
    transition: text-shadow 0.3s ease, color 0.3s ease;
}

.neon-text.massive {
    font-size: 4rem;
    text-align: center;
    margin-top: 2rem;
}

.neon-text-small {
    font-weight: 800;
    text-transform: uppercase;
    color: var(--neon-color);
    text-shadow: 0 0 10px var(--neon-glow);
    letter-spacing: 2px;
}

.alert-text {
    color: #ff003c;
    text-shadow: 0 0 10px rgba(255, 0, 60, 0.6);
}

/* Glassmorphism */
.glass-panel {
    background: rgba(10, 10, 15, 0.45);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    box-shadow: 0 15px 35px 0 rgba(0, 0, 0, 0.7), 0 0 40px var(--neon-glow);
    padding: 3rem;
    transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

/* Overlays */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(10, 10, 12, 0.8) 0%, rgba(0, 0, 0, 1) 100%);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

.hidden {
    display: none !important;
}

/* Login Box */
.login-box {
    text-align: center;
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
}

.login-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

input {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: #fff;
    font-family: sans-serif;
    font-size: 1rem;
    font-weight: 800;
    outline: none;
    transition: all 0.3s ease;
}

input:focus {
    border-color: var(--neon-color);
    box-shadow: 0 0 15px var(--neon-glow);
    background: rgba(0, 0, 0, 0.5);
}

/* Buttons */
.neon-btn {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    color: var(--neon-color);
    font-size: 1.1rem;
    font-weight: 800;
    font-family: sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    border: 1px solid var(--neon-color);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 15px inset var(--neon-glow), 0 0 15px var(--neon-glow);
    backdrop-filter: blur(5px);
}

.neon-btn:hover:not(:disabled) {
    background: var(--neon-color);
    color: #0a0a0c;
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--neon-color), 0 0 60px var(--neon-color);
    border: 1px solid #fff;
}

.neon-btn:disabled {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    box-shadow: none;
    cursor: not-allowed;
}

.neon-btn:disabled:hover {
    background: transparent;
}

.small-btn {
    width: auto;
    padding: 8px 20px;
    font-size: 0.9rem;
}

.danger-btn {
    border-color: #ff003c;
    color: #ff003c;
    box-shadow: 0 0 10px inset rgba(255, 0, 60, 0.6), 0 0 10px rgba(255, 0, 60, 0.6);
}

.danger-btn:hover:not(:disabled) {
    background: #ff003c;
    box-shadow: 0 0 20px #ff003c, 0 0 40px #ff003c;
}

/* Dashboard Layout */
.dashboard {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1000;
}

.left-controls,
.right-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.neon-select {
    background: rgba(0, 0, 0, 0.5);
    color: var(--neon-color);
    border: 1px solid var(--neon-color);
    padding: 8px 15px;
    border-radius: 6px;
    font-family: sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 0 10px var(--neon-glow);
}

.neon-select option {
    background: var(--bg-dark);
    color: #fff;
}

.main-content {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Admin Panel */
.admin-box {
    margin-top: 3rem;
    width: 100%;
    max-width: 900px;
    text-align: center;
    animation: pulse-glow 4s infinite alternate;
}

.admin-box p {
    margin: 1rem 0;
    color: var(--text-secondary);
}

.user-list-container {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    min-height: 150px;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding: 10px;
}

#active-users-list {
    list-style: none;
    text-align: left;
}

.user-item {
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
}

.user-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-item.selected {
    background: var(--neon-glow);
    border-left: 4px solid var(--neon-color);
}

.user-item::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff66;
    margin-right: 10px;
    box-shadow: 0 0 8px #00ff66;
}

/* BSOD Style */
.bsod {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0078d7;
    /* Authentic Windows 10/11 BSOD Blue */
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    z-index: 9999;
    display: flex;
    align-items: center;
    padding: 10%;
    cursor: none;
}

.bsod-content {
    max-width: 800px;
}

.bsod-face {
    font-size: 8rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.bsod-text {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.bsod-progress {
    font-size: 1.8rem;
    margin-bottom: 3rem;
}

.bsod-small {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

button,
textarea,
select {
    font-family: sans-serif !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
}

input {
    font-family: sans-serif !important;
    font-weight: 800 !important;
}

label {
    font-weight: 800;
    text-transform: uppercase;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5), 0 0 15px var(--neon-glow);
    }

    100% {
        box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5), 0 0 30px var(--neon-glow);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: var(--neon-color);
    border-radius: 4px;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(600px, 1fr));
    gap: 30px;
    width: 95%;
    max-width: 1800px;
    margin: 2rem auto;
}

.app-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--neon-glow);
    border-color: var(--neon-color);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--neon-color);
    text-shadow: 0 0 5px var(--neon-glow);
    text-transform: uppercase;
}

.app-content {
    background: transparent;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    min-height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.3s ease;
}

.app-content.active {
    background: #000;
    display: block;
}

.app-content iframe,
.app-content embed,
.app-content object {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: none;
}

/* Fullscreen Adaptability */
.app-content:fullscreen {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-content:fullscreen iframe {
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    border-radius: 0;
}

:-webkit-full-screen .app-content {
    width: 100%;
    height: 100%;
}


/* Chat System */
.chat-box {
    margin-top: 2rem;
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    height: 450px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px 12px 0 0;
    border: 1px solid var(--glass-border);
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 15px;
    background: rgba(10, 10, 15, 0.6);
    border-radius: 0 0 12px 12px;
    border: 1px solid var(--glass-border);
    border-top: none;
}

.chat-input-area input {
    flex: 1;
    margin-bottom: 0;
    text-transform: none !important;
}

.chat-input-area .small-btn {
    width: auto;
    padding: 0 25px;
}

.message-item {
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--neon-color);
    animation: fadeIn 0.3s ease;
}

.message-user {
    font-weight: 800;
    color: var(--neon-color);
    font-size: 0.85rem;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.message-text {
    word-break: break-all;
    font-size: 0.95rem;
    text-transform: none !important;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-secondary);
    float: right;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* Fullscreen Override - native :fullscreen pseudo-class */
.app-content:fullscreen {
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background: #000 !important;
}
.app-content:-webkit-full-screen {
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background: #000 !important;
}
.app-content:fullscreen iframe,
.app-content:-webkit-full-screen iframe {
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
    display: block !important;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}