:root {
    --matrix-green: #00ff41;
    --matrix-dark-green: #003b00;
    --matrix-bg: #000000;
    --terminal-header: #333;
    --font-family: 'Fira Code', monospace;
}

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

body {
    background-color: var(--matrix-bg);
    color: var(--matrix-green);
    font-family: var(--font-family);
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Matrix Background */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(1px);
}

/* Scanlines Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%,
            rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
    z-index: 10;
    pointer-events: none;
}

/* Terminal Container */
#terminal {
    width: 90%;
    max-width: 900px;
    height: 80vh;
    background-color: rgba(0, 0, 0, 0.85);
    border: 1px solid var(--matrix-green);
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 20px var(--matrix-dark-green);
    position: relative;
    z-index: 5;
    animation: flicker 0.15s infinite alternate;
}

@keyframes flicker {
    0% {
        opacity: 0.97;
    }

    100% {
        opacity: 1;
    }
}

.terminal-header {
    background-color: var(--terminal-header);
    padding: 10px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #444;
    border-radius: 5px 5px 0 0;
}

.terminal-header .buttons {
    display: flex;
    gap: 8px;
}

.btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.close {
    background-color: #ff5f56;
}

.minimize {
    background-color: #ffbd2e;
}

.maximize {
    background-color: #27c93f;
}

.terminal-header .title {
    flex-grow: 1;
    text-align: center;
    font-size: 12px;
    color: #ccc;
}

.terminal-content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--matrix-dark-green) transparent;
}

.line {
    margin-bottom: 8px;
    line-height: 1.4;
    text-shadow: 0 0 5px var(--matrix-green);
}

.spacer {
    height: 10px;
}

.input-area {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.prompt {
    margin-right: 10px;
    color: var(--matrix-green);
    font-weight: bold;
}

#command-input {
    background: transparent;
    border: none;
    color: var(--matrix-green);
    font-family: var(--font-family);
    font-size: 16px;
    outline: none;
    flex-grow: 1;
    text-shadow: 0 0 5px var(--matrix-green);
}

/* Navigation */
.matrix-nav {
    display: flex;
    justify-content: space-around;
    padding: 15px;
    border-top: 1px solid var(--matrix-dark-green);
    background-color: rgba(0, 0, 0, 0.9);
}

.matrix-nav button {
    background: transparent;
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    padding: 8px 15px;
    cursor: pointer;
    font-family: var(--font-family);
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--matrix-green);
}

.matrix-nav button:hover {
    background-color: var(--matrix-green);
    color: black;
    box-shadow: 0 0 15px var(--matrix-green);
}

/* Typing Effect Classes */
.typing {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid var(--matrix-green);
    animation: typing 1.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--matrix-green)
    }
}

/* Responsive */
@media (max-width: 768px) {
    #terminal {
        width: 95%;
        height: 85vh;
    }

    .matrix-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 10px;
    }

    .matrix-nav button {
        padding: 10px 5px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    #terminal {
        width: 100%;
        height: 100vh;
        border: none;
        border-radius: 0;
    }

    .terminal-header {
        padding: 5px 10px;
    }

    .terminal-content {
        padding: 10px;
    }

    .line {
        font-size: 13px;
    }

    .matrix-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .matrix-nav button:nth-child(5) {
        grid-column: span 2;
    }

    #command-input {
        font-size: 14px;
    }
}