body {
    background: linear-gradient(135deg, var(--bg-light) 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    max-width: 500px;
    width: 100%;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 4px 6px var(--shadow-color), 0 1px 3px var(--shadow-hover);
    overflow: hidden;
}
.auth-header {
    display: block;
    text-align: center;
    padding: 2rem;
    background: var(--primary-color);
    color: white;
    margin-bottom: 0;
    text-decoration: none;
}
.auth-header i{
    color: var(--text-dark);
}
.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

.auth-tabs {
    display: flex;
    padding: 1rem;
    gap: 1rem;
    background: var(--bg-light);
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    background: white;
    box-shadow: 0 1px 3px var(--shadow-color);
}
.auth-tab:hover{
    background: var(--primary-light);
}
.auth-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px var(--shadow-primary);
}
.form-section{
    margin-bottom: 0;
}
.form-group {
        margin-bottom: 1.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--shadow-primary);
    outline: none;
}

.action-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    border-radius: 8px;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    margin: 0 auto;
}

.action-btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 6px var(--shadow-primary-hover);
    transform: translateY(-1px);
}