:root {
    --crt-green: #39FF14;
    --crt-dark-green: #031401;
    --crt-bg: #050d03;
    --crt-bright-green: #5cff3c;
}

body {
    background-color: var(--crt-bg);
    color: var(--crt-green);
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    position: relative;
    
    /* Subtle 3D bulging screen barrel distortion styling across full window */
    background: radial-gradient(circle at center, var(--crt-bg) 20%, #000000 95%);
    
    /* Screen Instabilities */
    animation: jitter 0.08s infinite, flicker 0.12s infinite, vhs-drift 6s infinite ease-in-out;
}

/* Language Panel Switcher */
.lang-selector {
    position: absolute;
    top: 20px;
    right: 30px;
    display: flex;
    gap: 8px;
    z-index: 25;
}

.left-controls {
    position: absolute;
    top: 20px;
    left: 30px;
    display: flex;
    gap: 8px;
    z-index: 25;
}

.lang-btn, .mute-btn, .menu-btn {
    font-size: 0.85rem;
    padding: 4px 8px;
    cursor: pointer;
    border: 1px solid var(--crt-green);
    background: transparent;
    color: var(--crt-green);
    border-radius: 4px;
    text-shadow: 0 0 4px var(--crt-green);
    font-weight: bold;
    transition: all 0.2s;
}

.lang-btn.active, .lang-btn:hover, .mute-btn:hover, .menu-btn:hover {
    background: var(--crt-dark-green);
    box-shadow: 0 0 10px var(--crt-green);
    color: var(--crt-bright-green);
}

/* Vignette simulating curved CRT tube shadows across screen edges */
.vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 35%, rgba(0, 0, 0, 0.95) 100%);
    pointer-events: none;
    z-index: 10;
}

/* Bulging Glass Reflection Overlay */
.glass-reflection {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: 12;
}

/* CRT Scanlines Overlay */
.crt-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.25) 0px,
        rgba(0, 0, 0, 0.25) 2px,
        transparent 2px,
        transparent 4px
    );
    z-index: 5;
    pointer-events: none;
}

/* Animated Static / CRT Grain Noise */
.noise-overlay {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: transparent url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.75" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E') repeat;
    opacity: 0.09;
    pointer-events: none;
    z-index: 6;
    animation: noise-move 0.15s steps(4) infinite;
}

@keyframes noise-move {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-2%, -1%); }
    50% { transform: translate(1%, 2%); }
    75% { transform: translate(-1%, -2%); }
    100% { transform: translate(2%, 1%); }
}

/* Glitch Lines (Random White/Green glitch bands) */
.glitch-bar {
    position: absolute;
    left: 0;
    width: 100%;
    pointer-events: none;
    z-index: 8;
}

.bar1 {
    height: 2px;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
    animation: glitch-line-1 25s infinite linear;
}

.bar2 {
    height: 4px;
    background: rgba(57, 255, 20, 0.3);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.3);
    animation: glitch-line-2 38s infinite linear;
}

.bar3 {
    height: 1px;
    background: rgba(255, 255, 255, 0.6);
    animation: glitch-line-3 18s infinite linear;
}

@keyframes glitch-line-1 {
    0% { top: -20px; opacity: 0; }
    2% { top: 20%; opacity: 0.8; }
    2.5% { top: 22%; opacity: 0; }
    10% { top: 75%; opacity: 0.6; }
    10.5% { opacity: 0; }
    20% { top: 95%; opacity: 0.8; }
    20.5% { top: 98%; opacity: 0; }
    100% { top: 110%; opacity: 0; }
}

@keyframes glitch-line-2 {
    0% { top: -20px; opacity: 0; }
    5% { top: 40%; opacity: 0.5; }
    6% { opacity: 0; }
    15% { top: 10%; opacity: 0.7; }
    15.5% { opacity: 0; }
    25% { top: 85%; opacity: 0.9; }
    25.5% { opacity: 0; }
    100% { top: 110%; opacity: 0; }
}

@keyframes glitch-line-3 {
    0% { top: -20px; opacity: 0; }
    8% { top: 60%; opacity: 0.9; }
    8.5% { opacity: 0; }
    20% { top: 30%; opacity: 0.8; }
    20.5% { opacity: 0; }
    100% { top: 110%; opacity: 0; }
}

@keyframes flicker {
    0% { opacity: 0.99; }
    25% { opacity: 0.96; }
    30% { opacity: 0.98; }
    50% { opacity: 0.93; }
    70% { opacity: 0.97; }
    90% { opacity: 0.95; }
    100% { opacity: 0.99; }
}

/* Slight Screen Shake */
@keyframes jitter {
    0% { transform: translateY(0px) translateX(0px); }
    10% { transform: translateY(0.3px) translateX(-0.15px) skewX(0.02deg); }
    20% { transform: translateY(-0.2px) translateX(0.15px) skewX(-0.02deg); }
    30% { transform: translateY(0.1px) translateX(0.1px); }
    40% { transform: translateY(-0.1px) translateX(-0.1px); }
    50% { transform: translateY(0.2px) translateX(-0.1px); }
    60% { transform: translateY(-0.2px) translateX(0.1px); }
    70% { transform: translateY(0px) translateX(0px); }
    100% { transform: translateY(0px) translateX(0px); }
}

/* VHS Distortion - Horizontal Sync Shifting */
@keyframes vhs-drift {
    0% { transform: translateX(0) scaleY(1); }
    5% { transform: translateX(0.5px) scaleY(0.999) skewX(0.01deg); }
    10% { transform: translateX(-0.5px) scaleY(1) skewX(0deg); }
    25% { transform: translateX(0px) scaleY(1); }
    27% { transform: translateX(-1px) scaleY(0.998) skewX(-0.03deg); }
    28% { transform: translateX(1px) scaleY(1) skewX(0deg); }
    50% { transform: translateX(0) scaleY(1); }
    75% { transform: translateX(0.5px) scaleY(0.999); }
    77% { transform: translateX(-0.8px) scaleY(1); }
    100% { transform: translateX(0) scaleY(1); }
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    scrollbar-width: none;
    z-index: 2;
    position: relative;
}
.container::-webkit-scrollbar {
    display: none;
}

/* Flexbox Layout split */
.layout {
    display: flex;
    gap: 30px;
    width: 100%;
    height: 100%;
    align-items: stretch;
}

.left-panel {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.right-panel {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    display: flex;
    flex-direction: column;
}

/* Main Frame (Creator Interface Window) */
.main-frame {
    border: 6px double var(--crt-green);
    box-shadow: 
        0 0 25px rgba(57, 255, 20, 0.45), 
        inset 0 0 25px rgba(57, 255, 20, 0.45);
    background: rgba(3, 10, 2, 0.85);
    padding: 25px 35px;
    width: 100%;
    box-sizing: border-box;
    text-shadow: 0 0 8px var(--crt-green);
    border-radius: 12px;
}

/* Archive Frame (Database Sidebar Window) */
.archive-frame {
    border: 3px double var(--crt-green);
    box-shadow: 
        0 0 15px rgba(57, 255, 20, 0.35), 
        inset 0 0 15px rgba(57, 255, 20, 0.35);
    background: rgba(3, 10, 2, 0.85);
    padding: 20px;
    height: 100%;
    box-sizing: border-box;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    text-shadow: 0 0 5px var(--crt-green);
}

.archive-header {
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
    color: var(--crt-bright-green);
}

.archive-list {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
    margin-top: 10px;
}
.archive-list::-webkit-scrollbar {
    display: none;
}

.archive-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border: 1px dashed var(--crt-green);
    margin-bottom: 10px;
    background: rgba(0, 0, 0, 0.4);
    font-size: 0.9rem;
    border-radius: 4px;
}

.archive-item-name {
    cursor: pointer;
    flex-grow: 1;
    transition: color 0.2s, text-shadow 0.2s;
}

.archive-item-name:hover {
    color: var(--crt-bright-green);
    text-shadow: 0 0 8px var(--crt-bright-green);
}

.archive-item-delete {
    cursor: pointer;
    color: var(--crt-green);
    border: 1px solid transparent;
    padding: 0 5px;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 3px;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.archive-item-delete:hover {
    background: var(--crt-dark-green);
    border-color: var(--crt-green);
    box-shadow: 0 0 5px var(--crt-green);
}

.ascii-banner {
    color: var(--crt-bright-green);
    font-weight: bold;
    margin: 0;
    text-shadow: 0 0 10px var(--crt-bright-green);
    font-size: 0.78rem;
    line-height: 1.25;
    text-align: center;
}

.mobile-banner {
    display: none;
}

.separator {
    margin: 12px 0;
    letter-spacing: 1px;
    text-align: center;
}

.input-section {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.input-group {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

label {
    width: 90px;
    font-weight: bold;
}

input, select, button {
    background: transparent;
    color: var(--crt-bright-green);
    border: 1px solid var(--crt-green);
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.05rem;
    padding: 5px 10px;
    outline: none;
    text-shadow: 0 0 6px var(--crt-bright-green);
    border-radius: 4px;
}

input:focus, select:focus, button:hover {
    background: var(--crt-dark-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.terminal-btn-sm {
    cursor: pointer;
    margin-left: 10px;
    font-size: 0.9rem;
    padding: 5px 10px;
}

.terminal-btn {
    cursor: pointer;
    margin-top: 10px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { border-color: transparent; color: transparent; text-shadow: none; }
}

.hidden {
    display: none;
}

.output-section {
    white-space: pre-wrap;
    line-height: 1.35;
    font-size: 0.92rem;
    color: var(--crt-bright-green);
    text-shadow: 0 0 8px var(--crt-bright-green);
}

/* System Greeting under the left panel layout */
.system-greeting {
    text-align: center;
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--crt-bright-green);
    text-shadow: 0 0 12px var(--crt-bright-green);
    margin-top: 20px;
    letter-spacing: 1px;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { opacity: 0.8; }
    50% { opacity: 1; text-shadow: 0 0 18px var(--crt-bright-green); }
    100% { opacity: 0.8; }
}

/* Modal Styling simulating separate CRT window */
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-container.active {
    display: flex; /* Shown when active */
}

.modal-frame {
    border: 5px double var(--crt-green);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.5);
    background: rgba(3, 10, 2, 0.95);
    padding: 20px;
    width: 90%;
    max-width: 600px;
    border-radius: 12px;
    text-shadow: 0 0 6px var(--crt-green);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--crt-bright-green);
}

.close-btn {
    background: transparent;
    color: var(--crt-green);
    border: 1px solid var(--crt-green);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px 8px;
    border-radius: 4px;
}
.close-btn:hover {
    background: var(--crt-dark-green);
    box-shadow: 0 0 8px var(--crt-green);
}

.modal-content {
    white-space: pre-wrap;
    font-size: 0.9rem;
    line-height: 1.4;
    overflow-y: auto;
    max-height: 400px;
    scrollbar-width: none;
}
.modal-content::-webkit-scrollbar {
    display: none;
}

::selection {
    background: var(--crt-green);
    color: var(--crt-bg);
}

@media (max-width: 900px) {
    body {
        overflow-y: auto;
        height: auto;
        padding-top: 60px;
    }
    
    .container {
        padding: 10px;
        height: auto;
    }
    
    .layout {
        flex-direction: column;
        gap: 20px;
        height: auto;
    }
    
    .left-panel {
        width: 100%;
        height: auto;
    }
    
    .right-panel {
        width: 100%;
        max-width: 100%;
        height: auto;
    }
    
    .archive-frame {
        height: 350px;
    }
    
    input, select, button, .lang-btn, .menu-btn {
        font-size: 1.15rem;
        padding: 8px 12px;
    }
    
    .terminal-btn {
        padding: 12px 20px;
        font-size: 1.2rem;
    }
    
    .terminal-btn-sm {
        padding: 8px 12px;
        font-size: 1.05rem;
    }

    .ascii-banner {
        font-size: 0.5rem;
        letter-spacing: -0.5px;
    }
    
    .archive-item {
        padding: 12px 14px;
        font-size: 1.1rem;
    }
    
    .archive-item-delete {
        font-size: 1.4rem;
        padding: 0 8px;
    }
    
    .modal-frame {
        width: 95%;
        padding: 15px;
    }
    
    .left-controls {
        top: 10px;
        left: 10px;
    }
    
    .lang-selector {
        top: 10px;
        right: 10px;
        gap: 4px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 48px;
    }
    
    .container {
        padding: 4px;
    }
    
    .layout {
        gap: 8px;
    }
    
    .main-frame {
        padding: 10px 14px;
        border-width: 4px;
    }
    
    .archive-frame {
        padding: 8px 12px;
        height: 200px;
        border-width: 2px;
    }
    
    .separator {
        margin: 4px 0;
    }
    
    .input-section {
        font-size: 0.85rem;
    }
    
    label {
        width: 55px;
    }
    
    input, select, button, .lang-btn, .menu-btn {
        font-size: 0.8rem;
        padding: 3px 6px;
    }
    
    .terminal-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
        margin-top: 4px;
    }
    
    .terminal-btn-sm {
        padding: 3px 6px;
        font-size: 0.75rem;
        margin-left: 4px;
    }
    
    .ascii-banner {
        display: none;
    }
    
    .mobile-banner {
        display: block;
        text-align: center;
        font-weight: bold;
        font-size: 0.9rem;
        color: var(--crt-bright-green);
        text-shadow: 0 0 10px var(--crt-bright-green);
        border: 1px dashed var(--crt-green);
        padding: 5px;
        margin-bottom: 2px;
        letter-spacing: 0.5px;
    }
    
    .output-section {
        font-size: 0.76rem;
        line-height: 1.22;
    }
    
    .system-greeting {
        font-size: 0.72rem;
        margin-top: 6px;
        letter-spacing: 0px;
        white-space: nowrap;
        text-align: center;
        overflow: hidden;
    }
    
    .archive-item {
        padding: 4px 6px;
        font-size: 0.78rem;
        margin-bottom: 4px;
    }
    
    .archive-item-delete {
        font-size: 0.95rem;
        padding: 0 3px;
    }
    
    .modal-frame {
        padding: 8px 12px;
        border-width: 3px;
    }
    
    .modal-content {
        font-size: 0.75rem;
        line-height: 1.22;
        max-height: 250px;
    }
}