/* Matrix Theme Variables */
:root {
    --matrix-green: #00ff00;
    --matrix-dark-green: #003300;
    --matrix-black: #000000;
    --matrix-text: #33ff33;
    --matrix-glow: #00ff00;
    --matrix-shadow: #003300;
    --matrix-highlight: #99ff99;
    --matrix-error: #ff3333;
    --matrix-warning: #ffff00;
    --matrix-success: #00ff00;
}

/* Matrix Rain Animation */
@keyframes matrixRain {
    0% { background-position: 0% 0%; }
    100% { background-position: 0% 100%; }
}

/* Global Styles */
body {
    background-color: var(--matrix-black);
    color: var(--matrix-text);
    font-family: 'Courier New', monospace;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Matrix Rain Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.9) 100%),
        url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M/wHwAEBgIApD5fRAAAAABJRU5ErkJggg==');
    opacity: 0.1;
    animation: matrixRain 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

/* Glowing Text Effect */
@keyframes textGlow {
    0%, 100% { text-shadow: 0 0 5px var(--matrix-glow); }
    50% { text-shadow: 0 0 20px var(--matrix-glow); }
}

/* Header Styles */
.display-4 {
    color: var(--matrix-green);
    text-shadow: 0 0 10px var(--matrix-glow);
    animation: textGlow 2s ease-in-out infinite;
    font-weight: bold;
    letter-spacing: 2px;
}

/* Card Styles */
.card {
    background: rgba(0, 10, 0, 0.8);
    border: 1px solid var(--matrix-green);
    box-shadow: 0 0 15px var(--matrix-glow);
    backdrop-filter: blur(5px);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

/* Card Header Animation */
.card-header {
    background: linear-gradient(90deg,
        rgba(0, 255, 0, 0.1) 0%,
        rgba(0, 255, 0, 0.2) 50%,
        rgba(0, 255, 0, 0.1) 100%);
    border-bottom: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    font-weight: bold;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -200%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(0, 255, 0, 0.4),
        transparent);
    animation: headerScan 4s linear infinite;
}

@keyframes headerScan {
    0% { left: -200%; }
    100% { left: 200%; }
}

/* Device List Styles */
.list-group-item {
    background: rgba(0, 20, 0, 0.6);
    border: 1px solid var(--matrix-green);
    color: var(--matrix-text);
    margin-bottom: 5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.list-group-item:hover {
    background: rgba(0, 40, 0, 0.8);
    transform: translateX(10px);
    box-shadow: 0 0 10px var(--matrix-glow);
}

.list-group-item.active {
    background: linear-gradient(90deg,
        rgba(0, 255, 0, 0.2),
        rgba(0, 255, 0, 0.1));
    border-color: var(--matrix-green);
}

/* Form Controls */
.form-control, .form-select {
    background: rgba(0, 20, 0, 0.6);
    border: 1px solid var(--matrix-green);
    color: var(--matrix-text);
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background: rgba(0, 40, 0, 0.8);
    border-color: var(--matrix-highlight);
    box-shadow: 0 0 10px var(--matrix-glow);
    color: var(--matrix-highlight);
}

/* Button Styles */
.btn {
    background: rgba(0, 40, 0, 0.6);
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: rgba(0, 60, 0, 0.8);
    border-color: var(--matrix-highlight);
    color: var(--matrix-highlight);
    box-shadow: 0 0 15px var(--matrix-glow);
    transform: translateY(-2px);
}

.btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(0, 255, 0, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: buttonGlow 2s linear infinite;
}

@keyframes buttonGlow {
    0% { transform: rotate(45deg) translateX(-100%); }
    100% { transform: rotate(45deg) translateX(100%); }
}

/* Status Panel */
.status-log {
    background: rgba(0, 10, 0, 0.8);
    border: 1px solid var(--matrix-green);
    padding: 10px;
    max-height: 200px;
    overflow-y: auto;
}

.status-message {
    color: var(--matrix-text);
    padding: 5px;
    margin-bottom: 5px;
    border-left: 3px solid var(--matrix-green);
    animation: fadeIn 0.3s ease-out;
}

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

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

::-webkit-scrollbar-track {
    background: var(--matrix-black);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--matrix-highlight);
}

/* Loading Animation */
.loading::after {
    content: '';
    display: inline-block;
    width: 10px;
    animation: loading 1s steps(4) infinite;
}

@keyframes loading {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
}

/* Connection Status */
.connection-status {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 1000;
}

.connection-status.connected {
    background: rgba(0, 255, 0, 0.2);
    border: 1px solid var(--matrix-success);
    color: var(--matrix-success);
}

.connection-status.disconnected {
    background: rgba(255, 0, 0, 0.2);
    border: 1px solid var(--matrix-error);
    color: var(--matrix-error);
}