:root {
    --neon-green: #ffffff;
    --dark-bg: #050505;
    --panel-bg: #111;
    --text-color: #e0e0e0;
    --glitch-red: #ff3333;
    --glitch-blue: #3333ff;
}

/* Layout Grid com Sidebar */
body {
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Courier New', monospace;
    margin: 0;
}

.sidebar {
    width: 250px;
    background: #050505;
    border-right: 1px solid var(--neon-green);
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100%;
    z-index: 100;
}

.sidebar h2 {
    font-size: 1.2em;
    border-bottom: 2px solid var(--neon-green);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.menu-item {
    padding: 15px;
    color: #fff;
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: 0.3s;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
}

.menu-item:hover,
.menu-item.active {
    background: rgba(255, 255, 255, 0.1);
    border-left: 2px solid var(--neon-green);
    color: var(--neon-green);
    padding-left: 25px;
}

.main-content {
    margin-left: 250px;
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Stack children vertically */
    align-items: center;
    /* Center children horizontally */
    padding: 20px;
    width: calc(100% - 250px);
    box-sizing: border-box;
    /* Maintain padding within width */
    min-height: 100vh;
    /* Ensure full height for footer placement */
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.input-group {
    margin-bottom: 20px;
    border-left: 2px solid var(--neon-green);
    padding-left: 10px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--neon-green);
    font-weight: bold;
}

input[type="number"],
input[type="text"] {
    background-color: #000;
    border: 1px solid #333;
    color: var(--neon-green);
    padding: 10px;
    width: 95%;
    font-family: 'Courier New', monospace;
    font-size: 1.1em;
}

input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
}

button {
    background-color: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    padding: 15px 30px;
    font-size: 1.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
    width: 100%;
}

button:hover {
    background-color: var(--neon-green);
    color: #000;
    box-shadow: 0 0 20px var(--neon-green);
}

.result-box {
    margin-top: 30px;
    border: 1px dashed var(--neon-green);
    padding: 20px;
}

.total-display {
    font-size: 2em;
    color: #fff;
    text-shadow: 0 0 15px var(--neon-green);
    text-align: center;
    margin: 20px 0;
    border: 2px solid var(--neon-green);
    padding: 20px;
}

.section-title {
    border-bottom: 1px solid var(--neon-green);
    padding-bottom: 5px;
    margin-bottom: 15px;
}

/* Glitch Effect Simple */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--glitch-red);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-1 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--glitch-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% {
        clip: rect(20px, 9999px, 10px, 0);
    }

    100% {
        clip: rect(50px, 9999px, 80px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(10px, 9999px, 90px, 0);
    }

    100% {
        clip: rect(60px, 9999px, 30px, 0);
    }
}

/* TABLE STYLES (Restoring) */
.cyber-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 0.9em;
}

.cyber-table th,
.cyber-table td {
    border: 1px solid var(--neon-green);
    padding: 10px;
    text-align: center;
}

.cyber-table th {
    background-color: #111;
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cyber-table tr:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.highlight-net {
    color: var(--neon-green);
    font-weight: bold;
    font-size: 1.1em;
}

.negative {
    color: var(--glitch-red);
}

/* Modern Header */
header {
    background: linear-gradient(90deg, #000 0%, #111 50%, #000 100%);
    border-bottom: 2px solid var(--neon-green);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 255, 0, 0.1);
    margin-bottom: 30px;
}

header h1 {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.8em;
    margin: 0;
    letter-spacing: 2px;
}

.header-status {
    font-size: 0.8em;
    color: #666;
    border: 1px solid #333;
    padding: 5px 10px;
    border-radius: 4px;
}

/* Modern Footer */
footer {
    margin-top: auto;
    /* Push to bottom if content is short */
    border-top: 1px solid #333;
    padding: 20px 40px;
    background: #080808;
    width: 100%;
    box-sizing: border-box;
    /* Ensure padding doesn't overflow width */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    font-size: 0.75em;
    color: #666;
}

footer .legal {
    text-align: left;
}

footer .credits {
    text-align: right;
    color: var(--neon-green);
    font-weight: bold;
    letter-spacing: 1px;
}

/* RESPONSIVE RULES */
@media screen and (max-width: 768px) {
    body {
        flex-direction: column;
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--neon-green);
        padding: 10px;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 10px;
    }

    header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 15px;
    }

    header h1 {
        font-size: 1.4em;
    }

    .cyber-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    footer .credits {
        text-align: center;
    }
}