:root {
    --matrix-green: #00ff41;
    --dark-green: #003b00;
    --black: #0d0208;
    --font-mono: 'Courier New', Courier, monospace;
}

body.matrix-bg {
    background-color: var(--black);
    color: var(--matrix-green);
    font-family: var(--font-mono);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100vw;
    overflow: hidden;
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.terminal-container {
    width: 90%;
    max-width: 850px;
    border: 2px solid var(--matrix-green);
    padding: 40px;
    box-shadow: 0 0 50px rgba(0, 255, 65, 0.2);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    box-sizing: border-box;
}

header {
    text-align: center;
    margin-bottom: 30px;
    width: 100%;
}

header h1 {
    font-size: 2.2rem;
    margin: 0;
    text-shadow: 0 0 10px var(--matrix-green);
    letter-spacing: 4px;
}

.status {
    font-size: 1rem;
    margin-top: 10px;
    opacity: 0.8;
}

main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.visualizer-container {
    width: 100%;
    height: 120px;
    border: 1px solid var(--dark-green);
    background: #000;
    overflow: hidden;
}

#visualizer {
    width: 100%;
    height: 100%;
    display: block;
}

.controls {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.input-group {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

input[type="text"] {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    padding: 12px 15px;
    font-family: var(--font-mono);
    width: 300px;
    max-width: 100%;
    outline: none;
    text-align: center;
    transition: all 0.3s;
}

input[type="text"]:focus {
    box-shadow: 0 0 15px var(--matrix-green);
    border-color: #fff;
}

.custom-file-upload {
    background: var(--dark-green);
    color: var(--matrix-green);
    border: 1px solid var(--matrix-green);
    padding: 12px 20px;
    cursor: pointer;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-weight: bold;
    min-width: 140px;
}

.custom-file-upload:hover {
    background: var(--matrix-green);
    color: var(--black);
}

button {
    background: var(--dark-green);
    color: var(--matrix-green);
    border: 1px solid var(--matrix-green);
    padding: 12px 25px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s;
    min-width: 140px;
}

button:hover {
    background: var(--matrix-green);
    color: var(--black);
    box-shadow: 0 0 20px var(--matrix-green);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    width: 100%;
    flex-wrap: wrap;
}

.output-log {
    width: 100%;
    height: 180px;
    overflow-y: auto;
    border: 1px solid var(--dark-green);
    padding: 15px;
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.8);
    text-align: left;
    box-sizing: border-box;
}

.log-entry {
    margin-bottom: 8px;
    border-left: 3px solid var(--matrix-green);
    padding-left: 10px;
    word-break: break-all;
}

footer {
    margin-top: 30px;
    font-size: 0.75rem;
    text-align: center;
    width: 100%;
    opacity: 0.6;
    letter-spacing: 3px;
}

.file-input-hidden {
    display: none;
}

/* Scrollbar styling for that retro look */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #000;
}
::-webkit-scrollbar-thumb {
    background: var(--dark-green);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--matrix-green);
}

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

.glitch:hover {
    animation: glitch 0.3s infinite linear;
}