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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

.enigma-machine {
    background: linear-gradient(145deg, #2c2c2c, #1a1a1a);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 3px solid #444;
}

section {
    background: #3a3a3a;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border: 2px solid #555;
}

h2 {
    color: #f0f0f0;
    margin-bottom: 15px;
    font-size: 1.5em;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h3 {
    color: #e0e0e0;
    margin-bottom: 10px;
    font-size: 1.2em;
}

/* Lampboard */
.lampboard {
    background: #2a2a2a;
}

.lamp-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.lamp-row {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.lamp {
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, #1a1a1a, #0a0a0a);
    border: 3px solid #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
    cursor: default;
}

.lamp span {
    color: #666;
    font-weight: bold;
    font-size: 1.3em;
    transition: all 0.3s ease;
}

.lamp.active {
    background: radial-gradient(circle, #fff9c4, #ffd700);
    border-color: #ffa000;
    box-shadow: 0 0 20px #ffd700, 0 0 40px #ffd700, inset 0 0 10px #fff;
    animation: glow 0.5s ease-in-out;
}

.lamp.active span {
    color: #000;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px #ffd700, 0 0 40px #ffd700, inset 0 0 10px #fff;
    }
    50% {
        box-shadow: 0 0 30px #ffd700, 0 0 60px #ffd700, inset 0 0 15px #fff;
    }
}

/* Rotors */
.rotors {
    background: #2a2a2a;
}

.rotor-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.rotor {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: linear-gradient(145deg, #404040, #2a2a2a);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #555;
    min-width: 120px;
}

.rotor label {
    color: #f0f0f0;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9em;
}

.rotor select {
    background: #1a1a1a;
    color: #fff;
    border: 2px solid #666;
    border-radius: 5px;
    padding: 8px;
    font-size: 1.1em;
    cursor: pointer;
    width: 100%;
}

.rotor select:focus {
    outline: none;
    border-color: #ffd700;
}

.rotor-window {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, #e0e0e0, #c0c0c0);
    border: 4px solid #333;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    margin: 8px 0;
}

.rotor-window span {
    font-size: 2.2em;
    font-weight: bold;
    color: #000;
    font-family: 'Courier New', monospace;
}

.rotor-controls {
    display: flex;
    gap: 5px;
    align-items: center;
    width: 100%;
}

.rotor-controls label {
    font-size: 0.85em;
}

.rotor-controls input {
    flex: 1;
    background: #1a1a1a;
    color: #fff;
    border: 2px solid #666;
    border-radius: 5px;
    padding: 5px;
    font-size: 1em;
}

.rotor-controls input:focus {
    outline: none;
    border-color: #ffd700;
}

/* Plugboard */
.plugboard {
    background: #2a2a2a;
}

.plugboard-info {
    margin-bottom: 10px;
}

.plugboard-info p {
    color: #b0b0b0;
    font-size: 0.9em;
}

#plugboardInput {
    width: 100%;
    background: #1a1a1a;
    color: #fff;
    border: 2px solid #666;
    border-radius: 5px;
    padding: 12px;
    font-size: 1.1em;
    text-transform: uppercase;
}

#plugboardInput:focus {
    outline: none;
    border-color: #ffd700;
}

.error-message {
    color: #ff6b6b;
    font-size: 0.9em;
    margin-top: 5px;
    min-height: 20px;
}

/* Keyboard */
.keyboard {
    background: #2a2a2a;
}

.keyboard-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.keyboard-row {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.key {
    width: 50px;
    height: 50px;
    background: linear-gradient(145deg, #4a4a4a, #2a2a2a);
    border: 3px solid #555;
    border-radius: 8px;
    color: #fff;
    font-weight: bold;
    font-size: 1.3em;
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: 0 4px 0 #1a1a1a;
}

.key:hover {
    background: linear-gradient(145deg, #5a5a5a, #3a3a3a);
    border-color: #666;
}

.key:active, .key.pressed {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #1a1a1a;
    background: linear-gradient(145deg, #3a3a3a, #2a2a2a);
}

/* Message Section */
.message-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .message-section {
        grid-template-columns: 1fr;
    }
}

.message-input, .message-output {
    background: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #555;
}

textarea {
    width: 100%;
    min-height: 150px;
    background: #1a1a1a;
    color: #fff;
    border: 2px solid #666;
    border-radius: 5px;
    padding: 12px;
    font-size: 1.1em;
    font-family: 'Courier New', monospace;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: #ffd700;
}

textarea[readonly] {
    cursor: default;
}

.process-btn, .copy-btn, .control-btn {
    width: 100%;
    margin-top: 10px;
    padding: 12px 24px;
    background: linear-gradient(145deg, #ffd700, #ffa000);
    color: #000;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 0 #cc8800;
}

.process-btn:hover, .copy-btn:hover, .control-btn:hover {
    background: linear-gradient(145deg, #ffe44d, #ffb732);
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #cc8800;
}

.process-btn:active, .copy-btn:active, .control-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #cc8800;
}

/* Controls */
.controls {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.control-btn {
    flex: 1;
    min-width: 200px;
}

/* Footer */
footer {
    text-align: center;
    color: white;
    margin-top: 30px;
    padding: 20px;
    opacity: 0.8;
}

footer p {
    font-size: 0.9em;
    margin: 5px 0;
}

footer a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.enigma-machine {
    animation: fadeIn 0.6s ease-out;
}