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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.hero, .error-page, .rules-page {
    text-align: center;
    padding: 40px 20px;
}

h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

.info-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
}

.info-box ul, .info-box ol {
    text-align: left;
    margin-left: 30px;
}

.info-box li {
    margin: 10px 0;
}

code {
    background: rgba(0,0,0,0.3);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.btn-primary {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 15px 40px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.2em;
    margin-top: 20px;
    transition: transform 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: scale(1.05);
    background: #45a049;
}

.prefix-editor {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.nickname {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.timer {
    color: #ffeb3b;
    font-weight: bold;
}

.editor-section {
    margin: 30px 0;
}

#prefix-input {
    width: 100%;
    padding: 15px;
    font-size: 1.2em;
    border: none;
    border-radius: 8px;
    margin-top: 10px;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 10px;
    margin-top: 15px;
}

.color-option {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 3px solid transparent;
    transition: all 0.2s;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: white;
    box-shadow: 0 0 20px rgba(255,255,255,0.5);
}

.formatting-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.format-checkbox {
    background: rgba(255,255,255,0.2);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 10px;
}

.emoji-btn {
    font-size: 2em;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: transform 0.2s;
}

.emoji-btn:hover {
    transform: scale(1.2);
    background: rgba(255,255,255,0.3);
}

.preview-section {
    background: #2c2c2c;
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
}

.preview-box {
    font-family: monospace;
    font-size: 1.3em;
    padding: 15px;
}

.message {
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
}

.message.success {
    background: #4CAF50;
}

.message.error {
    background: #f44336;
}

.hidden {
    display: none;
}

/* Стили для блока правил */
.rules-box {
    background: rgba(255, 87, 34, 0.2);
    border: 2px solid #ff5722;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
}

.rules-box h3 {
    color: #ffeb3b;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.rules-box ul {
    list-style: none;
    padding-left: 0;
}

.rules-box li {
    margin: 12px 0;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.rules-box li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #ff5722;
    font-size: 1.2em;
}

.rules-box strong {
    color: #ffeb3b;
}

/* Стили для блока правил */
.rules-box {
    background: rgba(255, 87, 34, 0.2);
    border: 2px solid #ff5722;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
}

.rules-box h3 {
    color: #ffeb3b;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.rules-box ul {
    list-style: none;
    padding-left: 0;
}

.rules-box li {
    margin: 12px 0;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.rules-box li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #ff5722;
    font-size: 1.2em;
}

.rules-box strong {
    color: #ffeb3b;
}