/* Unified Revelation OS CRT Suite & Custom Vanilla Styles */
:root {
  --bg-color: #0a0a0c;
  --primary-pink: #ec4899;
  --primary-pink-muted: rgba(236, 72, 153, 0.4);
  --primary-pink-faint: rgba(236, 72, 153, 0.1);
  --primary-pink-hover: #f472b6;
  --success-green: #22c55e;
  --warning-yellow: #eab308;
  --text-white: #ffffff;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    overflow-x: hidden;
    background-color: var(--bg-color);
    box-sizing: border-box;
    max-width: 100vw;
}

body {
    /* --app-height is set by JS to track the visual viewport (keyboard-aware) */
    --app-height: 100vh;
    color: var(--primary-pink);
    font-family: 'Fira Code', monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--app-height);
    padding: 1rem;
    box-sizing: border-box;
}

/* Base Utility Classes */
.pointer-events-none { pointer-events: none; }
.scrollbar-hide::-webkit-scrollbar { display: none; }

/* CRT Effect Overlay */
.crt::before {
    content: " ";
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
                linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 200;
    background-size: 100% 2px, 3px 100%;
}
.crt::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0; right: 0;
    background: rgba(18, 16, 16, 0.1);
    opacity: 0;
    z-index: 201;
    animation: flicker 0.15s infinite;
}

/* Scanline Effect */
.scanline {
    width: 100%;
    height: 100px;
    z-index: 202;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 0.1) 10%, rgba(0, 0, 0, 0.1) 100%);
    opacity: 0.1;
    position: fixed;
    bottom: 100%;
    animation: scanline 8s linear infinite;
}

/* Layout Framework */
.terminal-container {
    width: 100%;
    max-width: 850px;
    height: 70%;
    border: 1px solid var(--primary-pink-muted);
    border-radius: 0.75rem;
    padding: 1.5rem 2.5rem;
    background-color: rgba(10, 10, 12, 0.95);
    box-shadow: 0 0 50px var(--primary-pink-faint);
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Header */
.terminal-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(236, 72, 153, 0.2);
    padding-bottom: 1.5rem;
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.glitch-text {
    font-size: 2.25rem;
    font-weight: 900;
    text-transform: uppercase;
    font-style: italic;
    color: var(--text-white);
    text-shadow: 2px 0 #ff00c1, -2px 0 #00fff9;
    animation: text-glitch 4s infinite;
    margin: 0;
}
.sys-info {
    font-size: 10px;
    display: flex;
    gap: 1rem;
    color: var(--primary-pink-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.subtitle {
    font-size: 11px;
    letter-spacing: 0.4em;
    opacity: 0.4;
    text-transform: uppercase;
    font-weight: 500;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Content Area */
.terminal-content {
    flex: 1;
    min-height: 0; /* Critical: allows flex child to shrink and scroll */
    font-size: 0.875rem;
    line-height: 1.6;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 1rem;
    word-break: break-word;
    max-width: 100%;
}
.terminal-content p {
    margin: 0.5rem 0;
    opacity: 0;
    transform: translateY(5px);
    animation: fadeIn 0.2s ease-out forwards;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

/* Typography Colors */
.text-pink-500 { color: var(--primary-pink); }
.text-pink-400 { color: #f472b6; }
.text-pink-600 { color: #db2777; font-weight: 700; font-style: italic; }
.text-yellow-500 { color: var(--warning-yellow); }
.text-green-500 { color: var(--success-green); font-weight: 700; letter-spacing: 0.1em; }
.text-green-400-dim { color: rgba(74, 222, 128, 0.6); font-size: 0.75rem; }
.text-faint { color: rgba(131, 24, 67, 0.4); }

/* Footer / Input */
.terminal-input-area {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(236, 72, 153, 0.1);
    transition: opacity 1s ease-in;
    position: relative;
}

.input-line {
    display: flex;
    align-items: center;
    white-space: pre-wrap;
    position: relative;
    overflow: hidden;
    max-width: 100%;
}

.hidden-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    color: transparent;
    background: transparent;
    border: none;
    outline: none;
    pointer-events: none;
    z-index: -1;
}
.prompt-arrow {
    font-weight: 900;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}
.typing-text {
    color: #f472b6;
    font-weight: 500;
    word-break: break-all;
}

/* Animations */
.cursor {
    display: inline-block;
    width: 10px;
    height: 1.2em;
    background-color: var(--primary-pink);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 4px;
}

@keyframes flicker {
    0% { opacity: 0.1; }
    5% { opacity: 0.2; }
    10% { opacity: 0.15; }
    20% { opacity: 0.4; }
    100% { opacity: 0.1; }
}

@keyframes scanline {
    0% { bottom: 100%; }
    100% { bottom: -100px; }
}

@keyframes text-glitch {
    0% { transform: translate(0); }
    1% { transform: translate(-2px, 1px); }
    2% { transform: translate(2px, -1px); }
    3% { transform: translate(0); }
    100% { transform: translate(0); }
}

@keyframes blink {
    from, to { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Snake Mini-Game Modal ==================== */
.snake-window {
    position: absolute;
    top: 5%;
    left: 5%;
    right: 5%;
    bottom: 5%;
    background-color: var(--bg-color);
    border: 1px solid var(--primary-pink);
    box-shadow: 0 0 30px var(--primary-pink-muted);
    border-radius: 0.5rem;
    z-index: 50;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: var(--primary-pink);
}
.snake-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--primary-pink-faint);
    border-bottom: 1px solid var(--primary-pink-muted);
}
.snake-title {
    font-size: 1rem;
    font-weight: 700;
    text-shadow: 0 0 5px var(--primary-pink);
}
.snake-closeBtn {
    background: transparent;
    color: #ff3333;
    border: none;
    font-weight: bold;
    font-family: inherit;
    font-size: 1.1rem;
    cursor: pointer;
    text-shadow: 0 0 5px #ff3333;
}
.snake-closeBtn:hover {
    color: white;
}
.snake-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(236,72,153,0.05) 20px),
                repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(236,72,153,0.05) 20px);
}
#snake-canvas {
    background-color: rgba(0,0,0,0.8);
    border: 1px solid var(--primary-pink-muted);
    box-shadow: 0 0 20px rgba(0,0,0,0.9);
    image-rendering: pixelated;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.snake-footer {
    text-align: center;
    padding: 0.5rem;
    font-size: 0.75rem;
    border-top: 1px solid var(--primary-pink-faint);
}

/* Arcade Overlays */
.snake-score {
    flex: 1;
    text-align: center;
    font-size: 0.9rem;
    color: var(--primary-pink);
    text-shadow: 0 0 5px var(--primary-pink);
}
.snake-overlay {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(10, 0, 5, 0.95);
    border: 2px solid var(--primary-pink);
    box-shadow: 0 0 20px var(--primary-pink);
    padding: 1.5rem;
    border-radius: 0.5rem;
    text-align: center;
    z-index: 10;
    min-width: 250px;
}
.snake-overlay.hidden {
    display: none !important;
}
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.pt-2 { padding-top: 0.5rem; border-top: 1px solid var(--primary-pink-muted); }

.snake-overlay h3 {
    margin: 0 0 1rem 0;
    text-shadow: 0 0 10px #ff3333;
    color: #ff3333;
    font-family: inherit;
}
.arcade-inputs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem 0;
}
.letter-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    opacity: 0.4;
    transition: opacity 0.2s;
}
.letter-col.active {
    opacity: 1;
}
.letter-col .arrow {
    color: transparent;
    cursor: pointer;
    font-size: 1.5rem;
    transition: 0.2s;
    user-select: none;
}
.letter-col.active .arrow {
    color: var(--primary-pink);
    text-shadow: 0 0 5px var(--primary-pink);
}
.letter-col.active .arrow:active {
    color: #fff;
}
.letter-box {
    border: 3px solid var(--primary-pink-muted);
    font-size: 2rem;
    padding: 0;
    width: 3rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: black;
    color: var(--primary-pink);
    font-family: 'Fira Code', monospace;
    font-weight: bold;
    user-select: none;
}
.letter-col.active .letter-box {
    border-color: var(--primary-pink);
    box-shadow: 0 0 15px var(--primary-pink);
    text-shadow: 0 0 5px var(--primary-pink);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.leaderboard-item {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0.5rem;
    border-bottom: 1px dashed var(--primary-pink-muted);
}
.leaderboard-name {
    color: #fff;
    font-weight: bold;
}
.leaderboard-score {
    color: #22c55e;
    text-shadow: 0 0 5px #22c55e;
}

/* ==================== Mobile Responsive ==================== */
@media (max-width: 600px) {
    body {
        padding: 0.25rem;
    }

    .terminal-container {
        height: 98%;
        padding: 0.75rem;
        border-radius: 0.5rem;
    }

    .glitch-text {
        font-size: 1.4rem;
    }

    .sys-info {
        font-size: 8px;
        gap: 0.5rem;
    }

    .subtitle {
        font-size: 9px;
        letter-spacing: 0.2em;
    }

    .terminal-header {
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }

    .terminal-content {
        font-size: 0.7rem;
        line-height: 1.4;
    }

    .terminal-content p {
        margin: 0.25rem 0;
    }

    .prompt-arrow {
        font-size: 0.9rem;
        margin-right: 0.5rem;
    }

    .typing-text {
        font-size: 0.75rem;
    }

    .terminal-input-area {
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }
}