@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono:wght@400&family=Orbitron:wght@400;700;900&display=swap');

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

:root {
    --terminal-green: #00ff41;
    --dark-green: #003300;
    --matrix-green: #008f11;
    --warning-red: #ff0000;
    --warning-orange: #ff6600;
    --bg-black: #000000;
    --bg-dark: #0f0f0f;
    --bg-darker: #050505;
    --text-dim: #00cc33;
    --border-green: #00ff41;
    --glow: 0 0 10px var(--terminal-green);
    --red-glow: 0 0 10px #ff0000;
}

body {
    font-family: 'Share Tech Mono', monospace;
    background: var(--bg-black);
    color: var(--terminal-green);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.4;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 65, 0.03) 2px,
        rgba(0, 255, 65, 0.03) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.matrix-column {
    position: absolute;
    top: -100%;
    font-family: 'Share Tech Mono', monospace;
    font-size: 14px;
    color: var(--matrix-green);
    opacity: 0.3;
    animation: matrix-fall linear infinite;
    white-space: pre;
}

@keyframes matrix-fall {
    to { transform: translateY(calc(100vh + 100px)); }
}

.terminal-header {
    background: var(--bg-darker);
    border-bottom: 2px solid var(--terminal-green);
    padding: 1rem;
    font-family: 'Share Tech Mono', monospace;
    box-shadow: 0 2px 10px rgba(0, 255, 65, 0.3);
}

.header-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.system-status {
    color: var(--warning-red);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--terminal-green);
    text-shadow: var(--glow);
    margin: 1rem 0;
    font-family: 'Orbitron', monospace;
    letter-spacing: 3px;
}

.subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
    opacity: 0.8;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.terminal-window {
    background: var(--bg-dark);
    border: 1px solid var(--terminal-green);
    border-radius: 0;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1);
    position: relative;
}

.window-header {
    background: var(--bg-darker);
    border-bottom: 1px solid var(--terminal-green);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
}

.window-controls {
    display: flex;
    gap: 0.5rem;
}

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

.btn-close { background: var(--warning-red); }
.btn-minimize { background: var(--warning-orange); }
.btn-maximize { background: var(--terminal-green); }

.window-title {
    flex: 1;
    color: var(--terminal-green);
    font-family: 'Share Tech Mono', monospace;
}

.window-content {
    padding: 1.5rem;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--terminal-green);
    font-size: 0.9rem;
}

.input-label::before {
    content: '> ';
    color: var(--warning-red);
}

textarea, input[type="text"], input[type="file"], select {
    width: 100%;
    background: var(--bg-black);
    border: 1px solid var(--matrix-green);
    color: var(--terminal-green);
    padding: 1rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    transition: all 0.3s ease;
}

textarea::placeholder, input::placeholder {
    color: var(--text-dim);
    opacity: 0.7;
}

textarea:focus, input:focus, select:focus {
    border-color: var(--terminal-green);
    box-shadow: var(--glow);
    background: rgba(0, 255, 65, 0.05);
}

input[type="file"] {
    padding: 0.8rem;
    cursor: pointer;
}

.hack-btn {
    background: transparent;
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    padding: 0.8rem 1.5rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.hack-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.2), transparent);
    transition: left 0.5s;
}

.hack-btn:hover::before {
    left: 100%;
}

.hack-btn:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: var(--glow);
    text-shadow: var(--glow);
}

.hack-btn:active {
    transform: scale(0.98);
}

.btn-danger {
    border-color: var(--warning-red);
    color: var(--warning-red);
}

.btn-danger:hover {
    background: rgba(255, 0, 0, 0.1);
    box-shadow: var(--red-glow);
}

.btn-warning {
    border-color: var(--warning-orange);
    color: var(--warning-orange);
}

.btn-warning:hover {
    background: rgba(255, 102, 0, 0.1);
    box-shadow: 0 0 10px var(--warning-orange);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-box {
    background: var(--bg-darker);
    border: 1px solid var(--matrix-green);
    padding: 1rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--terminal-green);
    text-shadow: var(--glow);
    font-family: 'Orbitron', monospace;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.cipher-display {
    background: var(--bg-darker);
    border: 2px solid var(--terminal-green);
    min-height: 300px;
    padding: 2rem;
    margin: 2rem 0;
    position: relative;
}

.cipher-display::before {
    content: '◦ ENCRYPTED_DATA_VISUALIZATION ◦';
    position: absolute;
    top: -12px;
    left: 1rem;
    background: var(--bg-black);
    padding: 0 0.5rem;
    color: var(--terminal-green);
    font-size: 0.8rem;
}

.cipher-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.cipher-block {
    width: 45px;
    height: 45px;
    border: 1px solid var(--matrix-green);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    position: relative;
    background: var(--bg-black);
}

.cipher-block:hover {
    border-color: var(--terminal-green);
    box-shadow: var(--glow);
    transform: scale(1.1);
    z-index: 10;
}

.cipher-block.space-block {
    background: var(--bg-darker);
    border-style: dashed;
}

.alphabet-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
    gap: 0.5rem;
    margin: 1rem 0;
    max-height: 300px;
    overflow-y: auto;
}

.alphabet-preview::-webkit-scrollbar {
    width: 8px;
}

.alphabet-preview::-webkit-scrollbar-track {
    background: var(--bg-black);
}

.alphabet-preview::-webkit-scrollbar-thumb {
    background: var(--terminal-green);
}

.alphabet-block {
    width: 50px;
    height: 50px;
    border: 1px solid var(--matrix-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.alphabet-block:hover {
    transform: scale(1.2);
    z-index: 10;
}

.terminal-message {
    background: var(--bg-darker);
    border-left: 4px solid var(--terminal-green);
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Share Tech Mono', monospace;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.4s ease;
}

.terminal-message.show {
    opacity: 1;
    transform: translateX(0);
}

.terminal-message.error {
    border-left-color: var(--warning-red);
    color: var(--warning-red);
}

.terminal-message.warning {
    border-left-color: var(--warning-orange);
    color: var(--warning-orange);
}

.terminal-message::before {
    content: '[' attr(data-time) '] ';
    color: var(--text-dim);
    font-size: 0.8rem;
}

.qr-modal, .alphabet-modal, .share-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-container {
    background: var(--bg-dark);
    border: 2px solid var(--terminal-green);
    padding: 2rem;
    text-align: center;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-container h3 {
    color: var(--terminal-green);
    margin-bottom: 1rem;
    font-family: 'Share Tech Mono', monospace;
}

.qr-canvas {
    background: var(--bg-black);
    border: 1px solid var(--matrix-green);
    padding: 1rem;
    margin: 1rem 0;
    display: inline-block;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--matrix-green);
    border-top: 2px solid var(--terminal-green);
    border-radius: 50%;
    animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
    to { transform: rotate(360deg); }
}

.tools-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.tool-section {
    background: var(--bg-darker);
    border: 1px solid var(--matrix-green);
    padding: 1.5rem;
}

.tool-title {
    color: var(--terminal-green);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--matrix-green);
    padding-bottom: 0.5rem;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.share-btn {
    background: var(--bg-black);
    border: 1px solid var(--terminal-green);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--terminal-green);
    text-decoration: none;
}

.share-btn:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: var(--glow);
}

@media print {
    body { 
        background: white !important; 
        color: black !important; 
    }
    .matrix-bg, .terminal-header, .tools-panel, 
    .hack-btn, .terminal-message { 
        display: none !important; 
    }
    .cipher-display {
        border: 2px solid black !important;
        background: white !important;
    }
    .cipher-block {
        border: 1px solid black !important;
        background: white !important;
        color: black !important;
    }
}

@media (max-width: 768px) {
    .control-grid {
        grid-template-columns: 1fr;
    }
    .terminal-title {
        font-size: 1.4rem;
    }
    .cipher-block, .alphabet-block {
        width: 35px;
        height: 35px;
    }
}

.char-A { color: #ff0000; border-color: #ff0000; }
.char-B { color: #ff3300; border-color: #ff3300; }
.char-C { color: #ff6600; border-color: #ff6600; }
.char-D { color: #ff9900; border-color: #ff9900; }
.char-E { color: #ffcc00; border-color: #ffcc00; }
.char-F { color: #ffff00; border-color: #ffff00; }
.char-G { color: #ccff00; border-color: #ccff00; }
.char-H { color: #99ff00; border-color: #99ff00; }
.char-I { color: #66ff00; border-color: #66ff00; }
.char-J { color: #33ff00; border-color: #33ff00; }
.char-K { color: #00ff00; border-color: #00ff00; }
.char-L { color: #00ff33; border-color: #00ff33; }
.char-M { color: #00ff66; border-color: #00ff66; }
.char-N { color: #00ff99; border-color: #00ff99; }
.char-O { color: #00ffcc; border-color: #00ffcc; }
.char-P { color: #00ffff; border-color: #00ffff; }
.char-Q { color: #00ccff; border-color: #00ccff; }
.char-R { color: #0099ff; border-color: #0099ff; }
.char-S { color: #0066ff; border-color: #0066ff; }
.char-T { color: #0033ff; border-color: #0033ff; }
.char-U { color: #0000ff; border-color: #0000ff; }
.char-V { color: #3300ff; border-color: #3300ff; }
.char-W { color: #6600ff; border-color: #6600ff; }
.char-X { color: #9900ff; border-color: #9900ff; }
.char-Y { color: #cc00ff; border-color: #cc00ff; }
.char-Z { color: #ff00ff; border-color: #ff00ff; }

@keyframes quantum-flicker {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.8; filter: hue-rotate(90deg); }
    50% { opacity: 0.9; filter: hue-rotate(180deg); }
    75% { opacity: 0.7; filter: hue-rotate(270deg); }
}