* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
}

header {
    background-color: #000000;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
}

.ledger-logo {
    height: 30px;
    width: auto;
    transition: opacity 0.3s ease;
}

.ledger-logo:hover {
    opacity: 0.8;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #666;
}

main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.verification-container {
    background-color: #111;
    padding: 2rem;
    border-radius: 8px;
    width: 100%;
    max-width: 800px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.verification-container h1 {
    text-align: center;
    margin-bottom: 1rem;
    color: #fff;
}

.security-note {
    text-align: center;
    color: #999;
    margin-bottom: 2rem;
}

.phrase-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.phrase-option {
    background-color: #222;
    color: #fff;
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.phrase-option.active {
    background-color: #333;
    border-color: #666;
}

.phrase-input-container {
    margin-bottom: 2rem;
}

.word-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.word-label {
    color: #999;
    min-width: 2rem;
}

.word-input {
    flex: 1;
    padding: 0.5rem;
    background-color: #222;
    border: 1px solid #333;
    color: #fff;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.word-input:focus {
    outline: none;
    border-color: #666;
}

.security-warning {
    background-color: #222;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    border: 1px solid #ff4444;
    box-shadow: 0 0 15px rgba(255, 68, 68, 0.1);
}

.warning-icon {
    font-size: 2rem;
    color: #ff4444;
    flex-shrink: 0;
}

.warning-content {
    flex: 1;
}

.warning-content h3 {
    color: #ff4444;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.warning-content p {
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.warning-subtext {
    color: #999 !important;
    font-size: 0.9rem;
}

.continue-button {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
    color: #fff;
    border: 2px solid #444;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
}

.continue-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.5s;
}

.continue-button:hover {
    background: linear-gradient(135deg, #3a3a3a 0%, #4a4a4a 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: #555;
}

.continue-button:hover::before {
    left: 100%;
}

.continue-button:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.continue-button::after {
    content: '→';
    margin-left: 12px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
    font-weight: 400;
}

.continue-button:hover::after {
    transform: translateX(8px);
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .word-inputs {
        grid-template-columns: 1fr;
    }
}

.message-area {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.message-area.success {
    background-color: rgba(0, 255, 0, 0.1);
    border: 1px solid #00ff00;
    color: #00ff00;
}

.message-area.error {
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff0000;
    color: #ff0000;
}

.word-input.error {
    border-color: #ff0000;
    background-color: rgba(255, 0, 0, 0.1);
}

.message-text {
    font-size: 1.1rem;
    font-weight: 500;
}