:root {
    --bg-color: #121214;
    --nav-bg: #1c1c1f;
    --card-bg: #1f1f23;
    --text-primary: #ffffff;
    --text-secondary: #9b9b9e;
    --text-muted: #6b6b6e;
    --accent-purple: #8c7ae6;
    --accent-purple-hover: #7b68ee;
    --positive-green: #2ecc71;
    --border-color: #2a2a2e;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* --- Navigation Bar --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.logo-placeholder {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    cursor: pointer;
    color: var(--text-primary);
}

.logo-placeholder span {
    margin-right: 8px;
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    gap: 32px;
    background-color: var(--nav-bg);
    padding: 10px 24px;
    border-radius: 999px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.chevron {
    font-size: 0.7rem;
    position: relative;
    top: -1px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-btn {
    background-color: var(--nav-bg);
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-btn:hover {
    background-color: #2a2a2e;
    color: var(--text-primary);
}

.download-btn {
    background-color: var(--accent-purple);
    color: #1a1a1a;
    border: none;
    padding: 10px 24px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-main);
    transition: background-color 0.2s;
}

.download-btn:hover {
    background-color: var(--accent-purple-hover);
}

/* --- Main Content (Import Wallet Form) --- */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px 40px;
    text-align: center;
}

.login-header h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.ghost-icon {
    font-size: 3rem;
    display: inline-block;
    transform: translateY(-4px);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

/* --- Form Container --- */
.login-form-container {
    margin-top: 40px;
    width: 100%;
    max-width: 600px; 
    background-color: var(--card-bg);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-sizing: border-box; 
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.input-group {
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 12px;
    width: 100%;
}

.input-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* --- Seed Phrase Grid --- */
.seed-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)); 
    gap: 10px; 
    width: 100%;
}

.seed-input {
    width: 100%;
    min-width: 0; 
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 8px; 
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    text-align: center; 
    outline: none;
    transition: border-color 0.2s, background-color 0.2s;
}

.seed-input::placeholder {
    color: var(--text-muted);
    font-weight: 500;
}

.seed-input:focus {
    border-color: var(--accent-purple);
    background-color: #1a1a1e;
}

.submit-btn {
    margin-top: 8px;
    background-color: var(--accent-purple);
    color: #1a1a1a;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}

.submit-btn:hover {
    background-color: var(--accent-purple-hover);
}

.form-message {
    font-size: 0.85rem;
    text-align: center;
    margin-top: 4px;
    min-height: 20px;
}

.form-message.success {
    color: var(--positive-green);
}

.form-message.error {
    color: #e74c3c;
}

/* --- More Options Section --- */
.more-options {
    margin-top: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.more-options span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.text-link {
    background: none;
    border: none;
    color: var(--accent-purple);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.text-link:hover {
    background-color: var(--nav-bg);
    text-decoration: underline;
}

/* --- Responsive Adjustments --- */
@media (max-width: 600px) {
    .login-header h1 {
        font-size: 2.2rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .seed-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .login-form-container {
        padding: 20px;
    }
}

@media (max-width: 400px) {
    .seed-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}