:root {
    --primary-color: #00FFA3;
    --background-color: #13111C;
    --card-background: #1E1B2E;
    --text-color: #ffffff;
    --error-color: #ff4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background: var(--background-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background: var(--card-background);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.auth-title {
    color: var(--primary-color);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
    font-weight: 700;
}

.auth-subtitle {
    color: var(--text-color);
    text-align: center;
    opacity: 0.7;
    margin-bottom: 30px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    opacity: 0.7;
}

.auth-input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

.auth-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.auth-button {
    background: var(--primary-color);
    color: var(--background-color);
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 255, 163, 0.4);
}

.auth-footer {
    text-align: center;
    color: var(--text-color);
    margin-top: 30px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.auth-link:hover {
    opacity: 0.8;
}

.error-messages {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 10px;
    padding: 15px;
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }

    .auth-title {
        font-size: 2rem;
    }
}