@font-face {
    font-family: 'Siemens';
    src: url('fonts/Web437_Siemens_PC-D.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

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

body {
    font-family: 'Siemens', monospace;
    background: #1a1a2e;
    color: #0f0;
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CRT Monitor */

.crt-monitor {
    position: relative;
    width: 90vw;
    height: 88vh;
    max-width: 1200px;
    background: linear-gradient(145deg, #3a3a3a 0%, #2a2a2a 30%, #1e1e1e 100%);
    border-radius: 24px;
    padding: 28px 28px 50px 28px;
    box-shadow:
        0 0 0 3px #111,
        0 0 0 6px #444,
        0 0 0 8px #222,
        0 20px 60px rgba(0, 0, 0, 0.7),
        inset 0 2px 4px rgba(255, 255, 255, 0.05);
}

.crt-screen {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow:
        inset 0 0 80px rgba(0, 255, 0, 0.03),
        inset 0 0 4px rgba(0, 0, 0, 1),
        0 0 2px #000;
    border: 3px solid #111;
}

.crt-bezel-label {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    color: #666;
    font-family: 'Arial', sans-serif;
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    user-select: none;
}

.crt-power-led {
    position: absolute;
    bottom: 16px;
    right: 40px;
    width: 8px;
    height: 8px;
    background: #0f0;
    border-radius: 50%;
    box-shadow: 0 0 6px #0f0, 0 0 12px #0f0;
    animation: led-pulse 3s ease-in-out infinite;
}

@keyframes led-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.crt-brand {
    position: absolute;
    bottom: 12px;
    left: 40px;
    color: #555;
    font-family: 'Arial', sans-serif;
    font-size: 10px;
    letter-spacing: 2px;
    user-select: none;
}

/* Screen effects */

.scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        transparent 50%,
        rgba(0, 0, 0, 0.3) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 10;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { background-position: 0 0; }
    100% { background-position: 0 100%; }
}

.crt-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    border-radius: 12px;
}

/* Terminal */

#terminal {
    width: 100%;
    height: 100%;
    padding: 30px;
    overflow-y: auto;
    font-size: 18px;
    line-height: 1.4;
}

#terminal::-webkit-scrollbar {
    width: 10px;
}

#terminal::-webkit-scrollbar-track {
    background: #001100;
}

#terminal::-webkit-scrollbar-thumb {
    background: #0f0;
}

/* Prompt & input */

.prompt {
    color: #0f0;
}

.input-line {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-top: 10px;
    cursor: text;
}

#command-input {
    width: 0;
    min-width: 1ch;
    background: transparent;
    border: none;
    color: #0f0;
    font-family: 'Siemens', monospace;
    font-size: 18px;
    outline: none;
    caret-color: transparent;
}

/* Cursors */

.block-cursor {
    display: inline-block;
    width: 0.6em;
    height: 1em;
    background: #0f0;
    position: relative;
    top: 0.25em;
    left: -0.3em;
    animation: blink-block 1s step-end infinite;
}

@keyframes blink-block {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.cursor {
    background: #0f0;
    color: #000;
    animation: blink-cursor 0.6s step-end infinite;
}

@keyframes blink-cursor {
    50% { background: transparent; color: #0f0; }
}

/* Output styles */

.progress-bar {
    margin: 5px 0;
}

.error { color: #f00; }
.success { color: #0f0; }
.warning { color: #0f0; }
.header { color: #0f0; text-decoration: underline; }

.ascii-art {
    color: #0f0;
    white-space: pre;
    font-size: 14px;
    line-height: 1.2;
}

.boot-line {
    opacity: 0;
    animation: appearLine 0.1s forwards;
}